diff --git a/static/js/.gitignore b/static/js/.gitignore
new file mode 100644
index 0000000..b54345e
--- /dev/null
+++ b/static/js/.gitignore
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+prose.bundle.js
\ No newline at end of file
diff --git a/static/js/prose.bundle.js b/static/js/prose.bundle.js
deleted file mode 100644
index 4f6a70e..0000000
--- a/static/js/prose.bundle.js
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d=t.push("tbody_close","tbody",-1),d=t.push("table_close","table",-1),v[1]=y[1]=p,t.line=p,!0}},function(t,e,r){"use strict";t.exports=function(t,e,r){var n,o,i;if(t.sCount[e]-t.blkIndent<4)return!1;for(o=n=e+1;n<r;)if(t.isEmpty(n))n++;else{if(!(t.sCount[n]-t.blkIndent>=4))break;o=++n}return t.line=o,(i=t.push("code_block","code",0)).content=t.getLines(e,o,4+t.blkIndent,!0),i.map=[e,t.line],!0}},function(t,e,r){"use strict";t.exports=function(t,e,r,n){var o,i,s,a,c,l,u,p=!1,h=t.bMarks[e]+t.tShift[e],f=t.eMarks[e];if(t.sCount[e]-t.blkIndent>=4)return!1;if(h+3>f)return!1;if(126!==(o=t.src.charCodeAt(h))&&96!==o)return!1;if(c=h,(i=(h=t.skipChars(h,o))-c)<3)return!1;if(u=t.src.slice(c,h),s=t.src.slice(h,f),96===o&&s.indexOf(String.fromCharCode(o))>=0)return!1;if(n)return!0;for(a=e;!(++a>=r)&&!((h=c=t.bMarks[a]+t.tShift[a])<(f=t.eMarks[a])&&t.sCount[a]<t.blkIndent);)if(t.src.charCodeAt(h)===o&&!(t.sCount[a]-t.blkIndent>=4||(h=t.skipChars(h,o))-c<i||(h=t.skipSpaces(h))<f)){p=!0;break}return i=t.sCount[e],t.line=a+(p?1:0),(l=t.push("fence","code",0)).info=s,l.content=t.getLines(e+1,a,i,!0),l.markup=u,l.map=[e,t.line],!0}},function(t,e,r){"use strict";var n=r(0).isSpace;t.exports=function(t,e,r,o){var 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t.blkIndent=g,!0}},function(t,e,r){"use strict";var n=r(0).isSpace;t.exports=function(t,e,r,o){var i,s,a,c,l=t.bMarks[e]+t.tShift[e],u=t.eMarks[e];if(t.sCount[e]-t.blkIndent>=4)return!1;if(42!==(i=t.src.charCodeAt(l++))&&45!==i&&95!==i)return!1;for(s=1;l<u;){if((a=t.src.charCodeAt(l++))!==i&&!n(a))return!1;a===i&&s++}return!(s<3)&&(o||(t.line=e+1,(c=t.push("hr","hr",0)).map=[e,t.line],c.markup=Array(s+1).join(String.fromCharCode(i))),!0)}},function(t,e,r){"use strict";var n=r(0).isSpace;function o(t,e){var r,o,i,s;return o=t.bMarks[e]+t.tShift[e],i=t.eMarks[e],42!==(r=t.src.charCodeAt(o++))&&45!==r&&43!==r||o<i&&(s=t.src.charCodeAt(o),!n(s))?-1:o}function i(t,e){var r,o=t.bMarks[e]+t.tShift[e],i=o,s=t.eMarks[e];if(i+1>=s)return-1;if((r=t.src.charCodeAt(i++))<48||r>57)return-1;for(;;){if(i>=s)return-1;if(!((r=t.src.charCodeAt(i++))>=48&&r<=57)){if(41===r||46===r)break;return-1}if(i-o>=10)return-1}return i<s&&(r=t.src.charCodeAt(i),!n(r))?-1:i}t.exports=function(t,e,r,n){var s,a,c,l,u,p,h,f,d,m,g,v,y,b,k,_,w,x,C,S,A,E,M,D,T,O,q,z,N=!1,I=!0;if(t.sCount[e]-t.blkIndent>=4)return!1;if(t.listIndent>=0&&t.sCount[e]-t.listIndent>=4&&t.sCount[e]<t.blkIndent)return!1;if(n&&"paragraph"===t.parentType&&t.tShift[e]>=t.blkIndent&&(N=!0),(M=i(t,e))>=0){if(h=!0,T=t.bMarks[e]+t.tShift[e],y=Number(t.src.substr(T,M-T-1)),N&&1!==y)return!1}else{if(!((M=o(t,e))>=0))return!1;h=!1}if(N&&t.skipSpaces(M)>=t.eMarks[e])return!1;if(v=t.src.charCodeAt(M-1),n)return!0;for(g=t.tokens.length,h?(z=t.push("ordered_list_open","ol",1),1!==y&&(z.attrs=[["start",y]])):z=t.push("bullet_list_open","ul",1),z.map=m=[e,0],z.markup=String.fromCharCode(v),k=e,D=!1,q=t.md.block.ruler.getRules("list"),x=t.parentType,t.parentType="list";k<r;){for(E=M,b=t.eMarks[k],p=_=t.sCount[k]+M-(t.bMarks[e]+t.tShift[e]);E<b;){if(9===(s=t.src.charCodeAt(E)))_+=4-(_+t.bsCount[k])%4;else{if(32!==s)break;_++}E++}if((u=(a=E)>=b?1:_-p)>4&&(u=1),l=p+u,(z=t.push("list_item_open","li",1)).markup=String.fromCharCode(v),z.map=f=[e,0],A=t.tight,S=t.tShift[e],C=t.sCount[e],w=t.listIndent,t.listIndent=t.blkIndent,t.blkIndent=l,t.tight=!0,t.tShift[e]=a-t.bMarks[e],t.sCount[e]=_,a>=b&&t.isEmpty(e+1)?t.line=Math.min(t.line+2,r):t.md.block.tokenize(t,e,r,!0),t.tight&&!D||(I=!1),D=t.line-e>1&&t.isEmpty(t.line-1),t.blkIndent=t.listIndent,t.listIndent=w,t.tShift[e]=S,t.sCount[e]=C,t.tight=A,(z=t.push("list_item_close","li",-1)).markup=String.fromCharCode(v),k=e=t.line,f[1]=k,a=t.bMarks[e],k>=r)break;if(t.sCount[k]<t.blkIndent)break;if(t.sCount[e]-t.blkIndent>=4)break;for(O=!1,c=0,d=q.length;c<d;c++)if(q[c](t,k,r,!0)){O=!0;break}if(O)break;if(h){if((M=i(t,k))<0)break}else 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n=r(55),o=r(13).HTML_OPEN_CLOSE_TAG_RE,i=[[/^<(script|pre|style)(?=(\s|>|$))/i,/<\/(script|pre|style)>/i,!0],[/^<!--/,/-->/,!0],[/^<\?/,/\?>/,!0],[/^<![A-Z]/,/>/,!0],[/^<!\[CDATA\[/,/\]\]>/,!0],[new RegExp("^</?("+n.join("|")+")(?=(\\s|/?>|$))","i"),/^$/,!0],[new RegExp(o.source+"\\s*$"),/^$/,!1]];t.exports=function(t,e,r,n){var o,s,a,c,l=t.bMarks[e]+t.tShift[e],u=t.eMarks[e];if(t.sCount[e]-t.blkIndent>=4)return!1;if(!t.md.options.html)return!1;if(60!==t.src.charCodeAt(l))return!1;for(c=t.src.slice(l,u),o=0;o<i.length&&!i[o][0].test(c);o++);if(o===i.length)return!1;if(n)return i[o][2];if(s=e+1,!i[o][1].test(c))for(;s<r&&!(t.sCount[s]<t.blkIndent);s++)if(l=t.bMarks[s]+t.tShift[s],u=t.eMarks[s],c=t.src.slice(l,u),i[o][1].test(c)){0!==c.length&&s++;break}return t.line=s,(a=t.push("html_block","",0)).map=[e,s],a.content=t.getLines(e,s,t.blkIndent,!0),!0}},function(t,e,r){"use 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r=t.getLines(e,c,t.blkIndent,!1).trim(),t.line=c,(s=t.push("paragraph_open","p",1)).map=[e,t.line],(s=t.push("inline","",0)).content=r,s.map=[e,t.line],s.children=[],s=t.push("paragraph_close","p",-1),t.parentType=a,!0}},function(t,e,r){"use strict";var n=r(8),o=r(0).isSpace;function i(t,e,r,n){var i,s,a,c,l,u,p,h;for(this.src=t,this.md=e,this.env=r,this.tokens=n,this.bMarks=[],this.eMarks=[],this.tShift=[],this.sCount=[],this.bsCount=[],this.blkIndent=0,this.line=0,this.lineMax=0,this.tight=!1,this.ddIndent=-1,this.listIndent=-1,this.parentType="root",this.level=0,this.result="",h=!1,a=c=u=p=0,l=(s=this.src).length;c<l;c++){if(i=s.charCodeAt(c),!h){if(o(i)){u++,9===i?p+=4-p%4:p++;continue}h=!0}10!==i&&c!==l-1||(10!==i&&c++,this.bMarks.push(a),this.eMarks.push(c),this.tShift.push(u),this.sCount.push(p),this.bsCount.push(0),h=!1,u=0,p=0,a=c+1)}this.bMarks.push(s.length),this.eMarks.push(s.length),this.tShift.push(0),this.sCount.push(0),this.bsCount.push(0),this.lineMax=this.bMarks.length-1}i.prototype.push=function(t,e,r){var o=new n(t,e,r);return o.block=!0,r<0&&this.level--,o.level=this.level,r>0&&this.level++,this.tokens.push(o),o},i.prototype.isEmpty=function(t){return this.bMarks[t]+this.tShift[t]>=this.eMarks[t]},i.prototype.skipEmptyLines=function(t){for(var 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r,o,i=t.pos;if(10!==t.src.charCodeAt(i))return!1;for(r=t.pending.length-1,o=t.posMax,e||(r>=0&&32===t.pending.charCodeAt(r)?r>=1&&32===t.pending.charCodeAt(r-1)?(t.pending=t.pending.replace(/ +$/,""),t.push("hardbreak","br",0)):(t.pending=t.pending.slice(0,-1),t.push("softbreak","br",0)):t.push("softbreak","br",0)),i++;i<o&&n(t.src.charCodeAt(i));)i++;return t.pos=i,!0}},function(t,e,r){"use strict";for(var n=r(0).isSpace,o=[],i=0;i<256;i++)o.push(0);"\\!\"#$%&'()*+,./:;<=>?@[]^_`{|}~-".split("").forEach((function(t){o[t.charCodeAt(0)]=1})),t.exports=function(t,e){var r,i=t.pos,s=t.posMax;if(92!==t.src.charCodeAt(i))return!1;if(++i<s){if((r=t.src.charCodeAt(i))<256&&0!==o[r])return e||(t.pending+=t.src[i]),t.pos+=2,!0;if(10===r){for(e||t.push("hardbreak","br",0),i++;i<s&&(r=t.src.charCodeAt(i),n(r));)i++;return t.pos=i,!0}}return e||(t.pending+="\\"),t.pos++,!0}},function(t,e,r){"use strict";t.exports=function(t,e){var r,n,o,i,s,a,c=t.pos;if(96!==t.src.charCodeAt(c))return!1;for(r=c,c++,n=t.posMax;c<n&&96===t.src.charCodeAt(c);)c++;for(o=t.src.slice(r,c),i=s=c;-1!==(i=t.src.indexOf("`",s));){for(s=i+1;s<n&&96===t.src.charCodeAt(s);)s++;if(s-i===o.length)return e||((a=t.push("code_inline","code",0)).markup=o,a.content=t.src.slice(c,i).replace(/\n/g," ").replace(/^ (.+) $/,"$1")),t.pos=s,!0}return e||(t.pending+=o),t.pos+=o.length,!0}},function(t,e,r){"use strict";var n=r(0).normalizeReference,o=r(0).isSpace;t.exports=function(t,e){var r,i,s,a,c,l,u,p,h,f="",d=t.pos,m=t.posMax,g=t.pos,v=!0;if(91!==t.src.charCodeAt(t.pos))return!1;if(c=t.pos+1,(a=t.md.helpers.parseLinkLabel(t,t.pos,!0))<0)return!1;if((l=a+1)<m&&40===t.src.charCodeAt(l)){for(v=!1,l++;l<m&&(i=t.src.charCodeAt(l),o(i)||10===i);l++);if(l>=m)return!1;for(g=l,(u=t.md.helpers.parseLinkDestination(t.src,l,t.posMax)).ok&&(f=t.md.normalizeLink(u.str),t.md.validateLink(f)?l=u.pos:f=""),g=l;l<m&&(i=t.src.charCodeAt(l),o(i)||10===i);l++);if(u=t.md.helpers.parseLinkTitle(t.src,l,t.posMax),l<m&&g!==l&&u.ok)for(h=u.str,l=u.pos;l<m&&(i=t.src.charCodeAt(l),o(i)||10===i);l++);else h="";(l>=m||41!==t.src.charCodeAt(l))&&(v=!0),l++}if(v){if(void 0===t.env.references)return!1;if(l<m&&91===t.src.charCodeAt(l)?(g=l+1,(l=t.md.helpers.parseLinkLabel(t,l))>=0?s=t.src.slice(g,l++):l=a+1):l=a+1,s||(s=t.src.slice(c,a)),!(p=t.env.references[n(s)]))return t.pos=d,!1;f=p.href,h=p.title}return e||(t.pos=c,t.posMax=a,t.push("link_open","a",1).attrs=r=[["href",f]],h&&r.push(["title",h]),t.md.inline.tokenize(t),t.push("link_close","a",-1)),t.pos=l,t.posMax=m,!0}},function(t,e,r){"use strict";var n=r(0).normalizeReference,o=r(0).isSpace;t.exports=function(t,e){var r,i,s,a,c,l,u,p,h,f,d,m,g,v="",y=t.pos,b=t.posMax;if(33!==t.src.charCodeAt(t.pos))return!1;if(91!==t.src.charCodeAt(t.pos+1))return!1;if(l=t.pos+2,(c=t.md.helpers.parseLinkLabel(t,t.pos+1,!1))<0)return!1;if((u=c+1)<b&&40===t.src.charCodeAt(u)){for(u++;u<b&&(i=t.src.charCodeAt(u),o(i)||10===i);u++);if(u>=b)return!1;for(g=u,(h=t.md.helpers.parseLinkDestination(t.src,u,t.posMax)).ok&&(v=t.md.normalizeLink(h.str),t.md.validateLink(v)?u=h.pos:v=""),g=u;u<b&&(i=t.src.charCodeAt(u),o(i)||10===i);u++);if(h=t.md.helpers.parseLinkTitle(t.src,u,t.posMax),u<b&&g!==u&&h.ok)for(f=h.str,u=h.pos;u<b&&(i=t.src.charCodeAt(u),o(i)||10===i);u++);else f="";if(u>=b||41!==t.src.charCodeAt(u))return t.pos=y,!1;u++}else{if(void 0===t.env.references)return!1;if(u<b&&91===t.src.charCodeAt(u)?(g=u+1,(u=t.md.helpers.parseLinkLabel(t,u))>=0?a=t.src.slice(g,u++):u=c+1):u=c+1,a||(a=t.src.slice(l,c)),!(p=t.env.references[n(a)]))return t.pos=y,!1;v=p.href,f=p.title}return e||(s=t.src.slice(l,c),t.md.inline.parse(s,t.md,t.env,m=[]),(d=t.push("image","img",0)).attrs=r=[["src",v],["alt",""]],d.children=m,d.content=s,f&&r.push(["title",f])),t.pos=u,t.posMax=b,!0}},function(t,e,r){"use strict";var n=/^<([a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)>/,o=/^<([a-zA-Z][a-zA-Z0-9+.\-]{1,31}):([^<>\x00-\x20]*)>/;t.exports=function(t,e){var r,i,s,a,c,l,u=t.pos;return 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o,i,s,a,c,l,u,p=!1,h=t.bMarks[e]+t.tShift[e],f=t.eMarks[e];if(t.sCount[e]-t.blkIndent>=4)return!1;if(h+3>f)return!1;if(126!==(o=t.src.charCodeAt(h))&&96!==o)return!1;if(c=h,(i=(h=t.skipChars(h,o))-c)<3)return!1;if(u=t.src.slice(c,h),s=t.src.slice(h,f),96===o&&s.indexOf(String.fromCharCode(o))>=0)return!1;if(n)return!0;for(a=e;!(++a>=r)&&!((h=c=t.bMarks[a]+t.tShift[a])<(f=t.eMarks[a])&&t.sCount[a]<t.blkIndent);)if(t.src.charCodeAt(h)===o&&!(t.sCount[a]-t.blkIndent>=4||(h=t.skipChars(h,o))-c<i||(h=t.skipSpaces(h))<f)){p=!0;break}return i=t.sCount[e],t.line=a+(p?1:0),(l=t.push("fence","code",0)).info=s,l.content=t.getLines(e+1,a,i,!0),l.markup=u,l.map=[e,t.line],!0}},function(t,e,r){"use strict";var n=r(1).isSpace;t.exports=function(t,e,r,o){var 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t.blkIndent=g,!0}},function(t,e,r){"use strict";var n=r(1).isSpace;t.exports=function(t,e,r,o){var i,s,a,c,l=t.bMarks[e]+t.tShift[e],u=t.eMarks[e];if(t.sCount[e]-t.blkIndent>=4)return!1;if(42!==(i=t.src.charCodeAt(l++))&&45!==i&&95!==i)return!1;for(s=1;l<u;){if((a=t.src.charCodeAt(l++))!==i&&!n(a))return!1;a===i&&s++}return!(s<3)&&(o||(t.line=e+1,(c=t.push("hr","hr",0)).map=[e,t.line],c.markup=Array(s+1).join(String.fromCharCode(i))),!0)}},function(t,e,r){"use strict";var n=r(1).isSpace;function o(t,e){var r,o,i,s;return o=t.bMarks[e]+t.tShift[e],i=t.eMarks[e],42!==(r=t.src.charCodeAt(o++))&&45!==r&&43!==r||o<i&&(s=t.src.charCodeAt(o),!n(s))?-1:o}function i(t,e){var r,o=t.bMarks[e]+t.tShift[e],i=o,s=t.eMarks[e];if(i+1>=s)return-1;if((r=t.src.charCodeAt(i++))<48||r>57)return-1;for(;;){if(i>=s)return-1;if(!((r=t.src.charCodeAt(i++))>=48&&r<=57)){if(41===r||46===r)break;return-1}if(i-o>=10)return-1}return i<s&&(r=t.src.charCodeAt(i),!n(r))?-1:i}t.exports=function(t,e,r,n){var s,a,c,l,u,p,h,f,d,m,g,v,y,b,k,_,w,x,C,S,A,E,M,D,T,O,q,z,N=!1,I=!0;if(t.sCount[e]-t.blkIndent>=4)return!1;if(t.listIndent>=0&&t.sCount[e]-t.listIndent>=4&&t.sCount[e]<t.blkIndent)return!1;if(n&&"paragraph"===t.parentType&&t.tShift[e]>=t.blkIndent&&(N=!0),(M=i(t,e))>=0){if(h=!0,T=t.bMarks[e]+t.tShift[e],y=Number(t.src.substr(T,M-T-1)),N&&1!==y)return!1}else{if(!((M=o(t,e))>=0))return!1;h=!1}if(N&&t.skipSpaces(M)>=t.eMarks[e])return!1;if(v=t.src.charCodeAt(M-1),n)return!0;for(g=t.tokens.length,h?(z=t.push("ordered_list_open","ol",1),1!==y&&(z.attrs=[["start",y]])):z=t.push("bullet_list_open","ul",1),z.map=m=[e,0],z.markup=String.fromCharCode(v),k=e,D=!1,q=t.md.block.ruler.getRules("list"),x=t.parentType,t.parentType="list";k<r;){for(E=M,b=t.eMarks[k],p=_=t.sCount[k]+M-(t.bMarks[e]+t.tShift[e]);E<b;){if(9===(s=t.src.charCodeAt(E)))_+=4-(_+t.bsCount[k])%4;else{if(32!==s)break;_++}E++}if((u=(a=E)>=b?1:_-p)>4&&(u=1),l=p+u,(z=t.push("list_item_open","li",1)).markup=String.fromCharCode(v),z.map=f=[e,0],A=t.tight,S=t.tShift[e],C=t.sCount[e],w=t.listIndent,t.listIndent=t.blkIndent,t.blkIndent=l,t.tight=!0,t.tShift[e]=a-t.bMarks[e],t.sCount[e]=_,a>=b&&t.isEmpty(e+1)?t.line=Math.min(t.line+2,r):t.md.block.tokenize(t,e,r,!0),t.tight&&!D||(I=!1),D=t.line-e>1&&t.isEmpty(t.line-1),t.blkIndent=t.listIndent,t.listIndent=w,t.tShift[e]=S,t.sCount[e]=C,t.tight=A,(z=t.push("list_item_close","li",-1)).markup=String.fromCharCode(v),k=e=t.line,f[1]=k,a=t.bMarks[e],k>=r)break;if(t.sCount[k]<t.blkIndent)break;if(t.sCount[e]-t.blkIndent>=4)break;for(O=!1,c=0,d=q.length;c<d;c++)if(q[c](t,k,r,!0)){O=!0;break}if(O)break;if(h){if((M=i(t,k))<0)break}else if((M=o(t,k))<0)break;if(v!==t.src.charCodeAt(M-1))break}return(z=h?t.push("ordered_list_close","ol",-1):t.push("bullet_list_close","ul",-1)).markup=String.fromCharCode(v),m[1]=k,t.line=k,t.parentType=x,I&&function(t,e){var r,n,o=t.level+2;for(r=e+2,n=t.tokens.length-2;r<n;r++)t.tokens[r].level===o&&"paragraph_open"===t.tokens[r].type&&(t.tokens[r+2].hidden=!0,t.tokens[r].hidden=!0,r+=2)}(t,g),!0}},function(t,e,r){"use strict";var n=r(1).normalizeReference,o=r(1).isSpace;t.exports=function(t,e,r,i){var s,a,c,l,u,p,h,f,d,m,g,v,y,b,k,_,w=0,x=t.bMarks[e]+t.tShift[e],C=t.eMarks[e],S=e+1;if(t.sCount[e]-t.blkIndent>=4)return!1;if(91!==t.src.charCodeAt(x))return!1;for(;++x<C;)if(93===t.src.charCodeAt(x)&&92!==t.src.charCodeAt(x-1)){if(x+1===C)return!1;if(58!==t.src.charCodeAt(x+1))return!1;break}for(l=t.lineMax,k=t.md.block.ruler.getRules("reference"),m=t.parentType,t.parentType="reference";S<l&&!t.isEmpty(S);S++)if(!(t.sCount[S]-t.blkIndent>3||t.sCount[S]<0)){for(b=!1,p=0,h=k.length;p<h;p++)if(k[p](t,S,l,!0)){b=!0;break}if(b)break}for(C=(y=t.getLines(e,S,t.blkIndent,!1).trim()).length,x=1;x<C;x++){if(91===(s=y.charCodeAt(x)))return!1;if(93===s){d=x;break}(10===s||92===s&&++x<C&&10===y.charCodeAt(x))&&w++}if(d<0||58!==y.charCodeAt(d+1))return!1;for(x=d+2;x<C;x++)if(10===(s=y.charCodeAt(x)))w++;else if(!o(s))break;if(!(g=t.md.helpers.parseLinkDestination(y,x,C)).ok)return!1;if(u=t.md.normalizeLink(g.str),!t.md.validateLink(u))return!1;for(a=x=g.pos,c=w+=g.lines,v=x;x<C;x++)if(10===(s=y.charCodeAt(x)))w++;else if(!o(s))break;for(g=t.md.helpers.parseLinkTitle(y,x,C),x<C&&v!==x&&g.ok?(_=g.str,x=g.pos,w+=g.lines):(_="",x=a,w=c);x<C&&(s=y.charCodeAt(x),o(s));)x++;if(x<C&&10!==y.charCodeAt(x)&&_)for(_="",x=a,w=c;x<C&&(s=y.charCodeAt(x),o(s));)x++;return!(x<C&&10!==y.charCodeAt(x))&&(!!(f=n(y.slice(1,d)))&&(i||(void 0===t.env.references&&(t.env.references={}),void 0===t.env.references[f]&&(t.env.references[f]={title:_,href:u}),t.parentType=m,t.line=e+w+1),!0))}},function(t,e,r){"use strict";var n=r(1).isSpace;t.exports=function(t,e,r,o){var i,s,a,c,l=t.bMarks[e]+t.tShift[e],u=t.eMarks[e];if(t.sCount[e]-t.blkIndent>=4)return!1;if(35!==(i=t.src.charCodeAt(l))||l>=u)return!1;for(s=1,i=t.src.charCodeAt(++l);35===i&&l<u&&s<=6;)s++,i=t.src.charCodeAt(++l);return!(s>6||l<u&&!n(i))&&(o||(u=t.skipSpacesBack(u,l),(a=t.skipCharsBack(u,35,l))>l&&n(t.src.charCodeAt(a-1))&&(u=a),t.line=e+1,(c=t.push("heading_open","h"+String(s),1)).markup="########".slice(0,s),c.map=[e,t.line],(c=t.push("inline","",0)).content=t.src.slice(l,u).trim(),c.map=[e,t.line],c.children=[],(c=t.push("heading_close","h"+String(s),-1)).markup="########".slice(0,s)),!0)}},function(t,e,r){"use strict";t.exports=function(t,e,r){var n,o,i,s,a,c,l,u,p,h,f=e+1,d=t.md.block.ruler.getRules("paragraph");if(t.sCount[e]-t.blkIndent>=4)return!1;for(h=t.parentType,t.parentType="paragraph";f<r&&!t.isEmpty(f);f++)if(!(t.sCount[f]-t.blkIndent>3)){if(t.sCount[f]>=t.blkIndent&&(c=t.bMarks[f]+t.tShift[f])<(l=t.eMarks[f])&&(45===(p=t.src.charCodeAt(c))||61===p)&&(c=t.skipChars(c,p),(c=t.skipSpaces(c))>=l)){u=61===p?1:2;break}if(!(t.sCount[f]<0)){for(o=!1,i=0,s=d.length;i<s;i++)if(d[i](t,f,r,!0)){o=!0;break}if(o)break}}return!!u&&(n=t.getLines(e,f,t.blkIndent,!1).trim(),t.line=f+1,(a=t.push("heading_open","h"+String(u),1)).markup=String.fromCharCode(p),a.map=[e,t.line],(a=t.push("inline","",0)).content=n,a.map=[e,t.line-1],a.children=[],(a=t.push("heading_close","h"+String(u),-1)).markup=String.fromCharCode(p),t.parentType=h,!0)}},function(t,e,r){"use strict";var n=r(104),o=r(19).HTML_OPEN_CLOSE_TAG_RE,i=[[/^<(script|pre|style)(?=(\s|>|$))/i,/<\/(script|pre|style)>/i,!0],[/^<!--/,/-->/,!0],[/^<\?/,/\?>/,!0],[/^<![A-Z]/,/>/,!0],[/^<!\[CDATA\[/,/\]\]>/,!0],[new RegExp("^</?("+n.join("|")+")(?=(\\s|/?>|$))","i"),/^$/,!0],[new RegExp(o.source+"\\s*$"),/^$/,!1]];t.exports=function(t,e,r,n){var o,s,a,c,l=t.bMarks[e]+t.tShift[e],u=t.eMarks[e];if(t.sCount[e]-t.blkIndent>=4)return!1;if(!t.md.options.html)return!1;if(60!==t.src.charCodeAt(l))return!1;for(c=t.src.slice(l,u),o=0;o<i.length&&!i[o][0].test(c);o++);if(o===i.length)return!1;if(n)return i[o][2];if(s=e+1,!i[o][1].test(c))for(;s<r&&!(t.sCount[s]<t.blkIndent);s++)if(l=t.bMarks[s]+t.tShift[s],u=t.eMarks[s],c=t.src.slice(l,u),i[o][1].test(c)){0!==c.length&&s++;break}return t.line=s,(a=t.push("html_block","",0)).map=[e,s],a.content=t.getLines(e,s,t.blkIndent,!0),!0}},function(t,e,r){"use strict";t.exports=["address","article","aside","base","basefont","blockquote","body","caption","center","col","colgroup","dd","details","dialog","dir","div","dl","dt","fieldset","figcaption","figure","footer","form","frame","frameset","h1","h2","h3","h4","h5","h6","head","header","hr","html","iframe","legend","li","link","main","menu","menuitem","nav","noframes","ol","optgroup","option","p","param","section","source","summary","table","tbody","td","tfoot","th","thead","title","tr","track","ul"]},function(t,e,r){"use strict";t.exports=function(t,e){var r,n,o,i,s,a,c=e+1,l=t.md.block.ruler.getRules("paragraph"),u=t.lineMax;for(a=t.parentType,t.parentType="paragraph";c<u&&!t.isEmpty(c);c++)if(!(t.sCount[c]-t.blkIndent>3||t.sCount[c]<0)){for(n=!1,o=0,i=l.length;o<i;o++)if(l[o](t,c,u,!0)){n=!0;break}if(n)break}return r=t.getLines(e,c,t.blkIndent,!1).trim(),t.line=c,(s=t.push("paragraph_open","p",1)).map=[e,t.line],(s=t.push("inline","",0)).content=r,s.map=[e,t.line],s.children=[],s=t.push("paragraph_close","p",-1),t.parentType=a,!0}},function(t,e,r){"use strict";var n=r(10),o=r(1).isSpace;function i(t,e,r,n){var i,s,a,c,l,u,p,h;for(this.src=t,this.md=e,this.env=r,this.tokens=n,this.bMarks=[],this.eMarks=[],this.tShift=[],this.sCount=[],this.bsCount=[],this.blkIndent=0,this.line=0,this.lineMax=0,this.tight=!1,this.ddIndent=-1,this.listIndent=-1,this.parentType="root",this.level=0,this.result="",h=!1,a=c=u=p=0,l=(s=this.src).length;c<l;c++){if(i=s.charCodeAt(c),!h){if(o(i)){u++,9===i?p+=4-p%4:p++;continue}h=!0}10!==i&&c!==l-1||(10!==i&&c++,this.bMarks.push(a),this.eMarks.push(c),this.tShift.push(u),this.sCount.push(p),this.bsCount.push(0),h=!1,u=0,p=0,a=c+1)}this.bMarks.push(s.length),this.eMarks.push(s.length),this.tShift.push(0),this.sCount.push(0),this.bsCount.push(0),this.lineMax=this.bMarks.length-1}i.prototype.push=function(t,e,r){var o=new n(t,e,r);return o.block=!0,r<0&&this.level--,o.level=this.level,r>0&&this.level++,this.tokens.push(o),o},i.prototype.isEmpty=function(t){return this.bMarks[t]+this.tShift[t]>=this.eMarks[t]},i.prototype.skipEmptyLines=function(t){for(var e=this.lineMax;t<e&&!(this.bMarks[t]+this.tShift[t]<this.eMarks[t]);t++);return t},i.prototype.skipSpaces=function(t){for(var e,r=this.src.length;t<r&&(e=this.src.charCodeAt(t),o(e));t++);return t},i.prototype.skipSpacesBack=function(t,e){if(t<=e)return t;for(;t>e;)if(!o(this.src.charCodeAt(--t)))return t+1;return t},i.prototype.skipChars=function(t,e){for(var r=this.src.length;t<r&&this.src.charCodeAt(t)===e;t++);return t},i.prototype.skipCharsBack=function(t,e,r){if(t<=r)return t;for(;t>r;)if(e!==this.src.charCodeAt(--t))return t+1;return t},i.prototype.getLines=function(t,e,r,n){var i,s,a,c,l,u,p,h=t;if(t>=e)return"";for(u=new Array(e-t),i=0;h<e;h++,i++){for(s=0,p=c=this.bMarks[h],l=h+1<e||n?this.eMarks[h]+1:this.eMarks[h];c<l&&s<r;){if(a=this.src.charCodeAt(c),o(a))9===a?s+=4-(s+this.bsCount[h])%4:s++;else{if(!(c-p<this.tShift[h]))break;s++}c++}u[i]=s>r?new Array(s-r+1).join(" ")+this.src.slice(c,l):this.src.slice(c,l)}return u.join("")},i.prototype.Token=n,t.exports=i},function(t,e,r){"use strict";var n=r(9),o=[["text",r(108)],["newline",r(109)],["escape",r(110)],["backticks",r(111)],["strikethrough",r(20).tokenize],["emphasis",r(21).tokenize],["link",r(112)],["image",r(113)],["autolink",r(114)],["html_inline",r(115)],["entity",r(116)]],i=[["balance_pairs",r(117)],["strikethrough",r(20).postProcess],["emphasis",r(21).postProcess],["text_collapse",r(118)]];function s(){var t;for(this.ruler=new n,t=0;t<o.length;t++)this.ruler.push(o[t][0],o[t][1]);for(this.ruler2=new n,t=0;t<i.length;t++)this.ruler2.push(i[t][0],i[t][1])}s.prototype.skipToken=function(t){var e,r,n=t.pos,o=this.ruler.getRules(""),i=o.length,s=t.md.options.maxNesting,a=t.cache;if(void 0===a[n]){if(t.level<s)for(r=0;r<i&&(t.level++,e=o[r](t,!0),t.level--,!e);r++);else t.pos=t.posMax;e||t.pos++,a[n]=t.pos}else t.pos=a[n]},s.prototype.tokenize=function(t){for(var e,r,n=this.ruler.getRules(""),o=n.length,i=t.posMax,s=t.md.options.maxNesting;t.pos<i;){if(t.level<s)for(r=0;r<o&&!(e=n[r](t,!1));r++);if(e){if(t.pos>=i)break}else t.pending+=t.src[t.pos++]}t.pending&&t.pushPending()},s.prototype.parse=function(t,e,r,n){var o,i,s,a=new this.State(t,e,r,n);for(this.tokenize(a),s=(i=this.ruler2.getRules("")).length,o=0;o<s;o++)i[o](a)},s.prototype.State=r(119),t.exports=s},function(t,e,r){"use strict";function n(t){switch(t){case 10:case 33:case 35:case 36:case 37:case 38:case 42:case 43:case 45:case 58:case 60:case 61:case 62:case 64:case 91:case 92:case 93:case 94:case 95:case 96:case 123:case 125:case 126:return!0;default:return!1}}t.exports=function(t,e){for(var r=t.pos;r<t.posMax&&!n(t.src.charCodeAt(r));)r++;return r!==t.pos&&(e||(t.pending+=t.src.slice(t.pos,r)),t.pos=r,!0)}},function(t,e,r){"use strict";var n=r(1).isSpace;t.exports=function(t,e){var 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st(r?null:t.schema.topNodeType,null,p.none,p.none,!0,null,i),this.nodes=[n],this.open=0,this.find=e.findPositions,this.needsBlock=!1},ct={top:{configurable:!0},currentPos:{configurable:!0}};function lt(t,e){return(t.matches||t.msMatchesSelector||t.webkitMatchesSelector||t.mozMatchesSelector).call(t,e)}function ut(t){var e={};for(var r in t)e[r]=t[r];return e}function pt(t,e){var r=e.schema.nodes,n=function(n){var o=r[n];if(o.allowsMarkType(t)){var i=[];return function t(r){i.push(r);for(var n=0;n<r.edgeCount;n++){var o=r.edge(n),s=o.type,a=o.next;if(s==e)return!0;if(i.indexOf(a)<0&&t(a))return!0}}(o.contentMatch)?{v:!0}:void 0}};for(var o in r){var i=n(o);if(i)return i.v}}ct.top.get=function(){return this.nodes[this.open]},at.prototype.addDOM=function(t){if(3==t.nodeType)this.addTextNode(t);else if(1==t.nodeType){var e=t.getAttribute("style"),r=e?this.readStyles(function(t){var e,r=/\s*([\w-]+)\s*:\s*([^;]+)/g,n=[];for(;e=r.exec(t);)n.push(e[1],e[2].trim());return 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n=1==e.nodeType?e.nodeName.toLowerCase():null;n&&ot.hasOwnProperty(n)&&r?(r.appendChild(e),e=r):"li"==n?r=e:n&&(r=null)}}(t);var r=this.options.ruleFromNode&&this.options.ruleFromNode(t)||this.parser.matchTag(t,this);if(r?r.ignore:nt.hasOwnProperty(e))this.findInside(t);else if(!r||r.skip){r&&r.skip.nodeType&&(t=r.skip);var n,o=this.top,i=this.needsBlock;if(rt.hasOwnProperty(e))n=!0,o.type||(this.needsBlock=!0);else if(!t.firstChild)return void this.leafFallback(t);this.addAll(t),n&&this.sync(o),this.needsBlock=i}else this.addElementByRule(t,r)},at.prototype.leafFallback=function(t){"BR"==t.nodeName&&this.top.type&&this.top.type.inlineContent&&this.addTextNode(t.ownerDocument.createTextNode("\n"))},at.prototype.readStyles=function(t){for(var e=p.none,r=0;r<t.length;r+=2){var n=this.parser.matchStyle(t[r],t[r+1],this);if(n){if(n.ignore)return null;e=this.parser.schema.marks[n.mark].create(n.attrs).addToSet(e)}}return e},at.prototype.addElementByRule=function(t,e){var r,n,o,i=this;e.node?(n=this.parser.schema.nodes[e.node]).isLeaf?this.insertNode(n.create(e.attrs))||this.leafFallback(t):r=this.enter(n,e.attrs,e.preserveWhitespace):(o=this.parser.schema.marks[e.mark].create(e.attrs),this.addPendingMark(o));var s=this.top;if(n&&n.isLeaf)this.findInside(t);else if(e.getContent)this.findInside(t),e.getContent(t,this.parser.schema).forEach((function(t){return i.insertNode(t)}));else{var a=e.contentElement;"string"==typeof a?a=t.querySelector(a):"function"==typeof a&&(a=a(t)),a||(a=t),this.findAround(t,a,!0),this.addAll(a,r)}r&&(this.sync(s),this.open--),o&&this.removePendingMark(o,s)},at.prototype.addAll=function(t,e,r,n){for(var o=r||0,i=r?t.childNodes[r]:t.firstChild,s=null==n?null:t.childNodes[n];i!=s;i=i.nextSibling,++o)this.findAtPoint(t,o),this.addDOM(i),e&&rt.hasOwnProperty(i.nodeName.toLowerCase())&&this.sync(e);this.findAtPoint(t,o)},at.prototype.findPlace=function(t){for(var e,r,n=this.open;n>=0;n--){var o=this.nodes[n],i=o.findWrapping(t);if(i&&(!e||e.length>i.length)&&(e=i,r=o,!i.length))break;if(o.solid)break}if(!e)return!1;this.sync(r);for(var s=0;s<e.length;s++)this.enterInner(e[s],null,!1);return!0},at.prototype.insertNode=function(t){if(t.isInline&&this.needsBlock&&!this.top.type){var e=this.textblockFromContext();e&&this.enterInner(e)}if(this.findPlace(t)){this.closeExtra();var r=this.top;r.applyPending(t.type),r.match&&(r.match=r.match.matchType(t.type));for(var n=r.activeMarks,o=0;o<t.marks.length;o++)r.type&&!r.type.allowsMarkType(t.marks[o].type)||(n=t.marks[o].addToSet(n));return r.content.push(t.mark(n)),!0}return!1},at.prototype.enter=function(t,e,r){var n=this.findPlace(t.create(e));return n&&this.enterInner(t,e,!0,r),n},at.prototype.enterInner=function(t,e,r,n){this.closeExtra();var o=this.top;o.applyPending(t),o.match=o.match&&o.match.matchType(t,e);var i=null==n?-5&o.options:it(n);4&o.options&&0==o.content.length&&(i|=4),this.nodes.push(new st(t,e,o.activeMarks,o.pendingMarks,r,null,i)),this.open++},at.prototype.closeExtra=function(t){var e=this.nodes.length-1;if(e>this.open){for(;e>this.open;e--)this.nodes[e-1].content.push(this.nodes[e].finish(t));this.nodes.length=this.open+1}},at.prototype.finish=function(){return this.open=0,this.closeExtra(this.isOpen),this.nodes[0].finish(this.isOpen||this.options.topOpen)},at.prototype.sync=function(t){for(var e=this.open;e>=0;e--)if(this.nodes[e]==t)return void(this.open=e)},ct.currentPos.get=function(){this.closeExtra();for(var t=0,e=this.open;e>=0;e--){for(var r=this.nodes[e].content,n=r.length-1;n>=0;n--)t+=r[n].nodeSize;e&&t++}return t},at.prototype.findAtPoint=function(t,e){if(this.find)for(var r=0;r<this.find.length;r++)this.find[r].node==t&&this.find[r].offset==e&&(this.find[r].pos=this.currentPos)},at.prototype.findInside=function(t){if(this.find)for(var e=0;e<this.find.length;e++)null==this.find[e].pos&&1==t.nodeType&&t.contains(this.find[e].node)&&(this.find[e].pos=this.currentPos)},at.prototype.findAround=function(t,e,r){if(t!=e&&this.find)for(var n=0;n<this.find.length;n++){if(null==this.find[n].pos&&1==t.nodeType&&t.contains(this.find[n].node))e.compareDocumentPosition(this.find[n].node)&(r?2:4)&&(this.find[n].pos=this.currentPos)}},at.prototype.findInText=function(t){if(this.find)for(var e=0;e<this.find.length;e++)this.find[e].node==t&&(this.find[e].pos=this.currentPos-(t.nodeValue.length-this.find[e].offset))},at.prototype.matchesContext=function(t){var e=this;if(t.indexOf("|")>-1)return t.split(/\s*\|\s*/).some(this.matchesContext,this);var r=t.split("/"),n=this.options.context,o=!(this.isOpen||n&&n.parent.type!=this.nodes[0].type),i=-(n?n.depth+1:0)+(o?0:1);return function t(s,a){for(;s>=0;s--){var c=r[s];if(""==c){if(s==r.length-1||0==s)continue;for(;a>=i;a--)if(t(s-1,a))return!0;return!1}var l=a>0||0==a&&o?e.nodes[a].type:n&&a>=i?n.node(a-i).type:null;if(!l||l.name!=c&&-1==l.groups.indexOf(c))return!1;a--}return!0}(r.length-1,this.open)},at.prototype.textblockFromContext=function(){var t=this.options.context;if(t)for(var e=t.depth;e>=0;e--){var r=t.node(e).contentMatchAt(t.indexAfter(e)).defaultType;if(r&&r.isTextblock&&r.defaultAttrs)return r}for(var n in this.parser.schema.nodes){var o=this.parser.schema.nodes[n];if(o.isTextblock&&o.defaultAttrs)return o}},at.prototype.addPendingMark=function(t){this.top.pendingMarks=t.addToSet(this.top.pendingMarks)},at.prototype.removePendingMark=function(t,e){for(var r=this.open;r>=0;r--){var n=this.nodes[r];if(n.pendingMarks.lastIndexOf(t)>-1?n.pendingMarks=t.removeFromSet(n.pendingMarks):n.activeMarks=t.removeFromSet(n.activeMarks),n==e)break}},Object.defineProperties(at.prototype,ct);var ht=function(t,e){this.nodes=t||{},this.marks=e||{}};function ft(t){var e={};for(var r in t){var n=t[r].spec.toDOM;n&&(e[r]=n)}return e}function dt(t){return t.document||window.document}ht.prototype.serializeFragment=function(t,e,r){var n=this;void 0===e&&(e={}),r||(r=dt(e).createDocumentFragment());var o=r,i=null;return t.forEach((function(t){if(i||t.marks.length){i||(i=[]);for(var r=0,s=0;r<i.length&&s<t.marks.length;){var a=t.marks[s];if(n.marks[a.type.name]){if(!a.eq(i[r])||!1===a.type.spec.spanning)break;r+=2,s++}else s++}for(;r<i.length;)o=i.pop(),i.pop();for(;s<t.marks.length;){var c=t.marks[s++],l=n.serializeMark(c,t.isInline,e);l&&(i.push(c,o),o.appendChild(l.dom),o=l.contentDOM||l.dom)}}o.appendChild(n.serializeNode(t,e))})),r},ht.prototype.serializeNode=function(t,e){void 0===e&&(e={});var r=ht.renderSpec(dt(e),this.nodes[t.type.name](t)),n=r.dom,o=r.contentDOM;if(o){if(t.isLeaf)throw new RangeError("Content hole not allowed in a leaf node spec");e.onContent?e.onContent(t,o,e):this.serializeFragment(t.content,e,o)}return n},ht.prototype.serializeNodeAndMarks=function(t,e){void 0===e&&(e={});for(var r=this.serializeNode(t,e),n=t.marks.length-1;n>=0;n--){var o=this.serializeMark(t.marks[n],t.isInline,e);o&&((o.contentDOM||o.dom).appendChild(r),r=o.dom)}return r},ht.prototype.serializeMark=function(t,e,r){void 0===r&&(r={});var n=this.marks[t.type.name];return n&&ht.renderSpec(dt(r),n(t,e))},ht.renderSpec=function(t,e,r){if(void 0===r&&(r=null),"string"==typeof e)return{dom:t.createTextNode(e)};if(null!=e.nodeType)return{dom:e};var n=e[0],o=n.indexOf(" ");o>0&&(r=n.slice(0,o),n=n.slice(o+1));var s=null,a=r?t.createElementNS(r,n):t.createElement(n),c=e[1],l=1;if(c&&"object"==i(c)&&null==c.nodeType&&!Array.isArray(c))for(var u in l=2,c)if(null!=c[u]){var p=u.indexOf(" ");p>0?a.setAttributeNS(u.slice(0,p),u.slice(p+1),c[u]):a.setAttribute(u,c[u])}for(var h=l;h<e.length;h++){var f=e[h];if(0===f){if(h<e.length-1||h>l)throw new RangeError("Content hole must be the only child of its parent node");return{dom:a,contentDOM:a}}var d=ht.renderSpec(t,f,r),m=d.dom,g=d.contentDOM;if(a.appendChild(m),g){if(s)throw new RangeError("Multiple content holes");s=g}}return{dom:a,contentDOM:s}},ht.fromSchema=function(t){return t.cached.domSerializer||(t.cached.domSerializer=new ht(this.nodesFromSchema(t),this.marksFromSchema(t)))},ht.nodesFromSchema=function(t){var e=ft(t.nodes);return e.text||(e.text=function(t){return t.text}),e},ht.marksFromSchema=function(t){return ft(t.marks)};var mt=Math.pow(2,16);function gt(t){return 65535&t}var vt=function(t,e,r){void 0===e&&(e=!1),void 0===r&&(r=null),this.pos=t,this.deleted=e,this.recover=r},yt=function(t,e){void 0===e&&(e=!1),this.ranges=t,this.inverted=e};yt.prototype.recover=function(t){var e=0,r=gt(t);if(!this.inverted)for(var n=0;n<r;n++)e+=this.ranges[3*n+2]-this.ranges[3*n+1];return this.ranges[3*r]+e+function(t){return(t-(65535&t))/mt}(t)},yt.prototype.mapResult=function(t,e){return void 0===e&&(e=1),this._map(t,e,!1)},yt.prototype.map=function(t,e){return void 0===e&&(e=1),this._map(t,e,!0)},yt.prototype._map=function(t,e,r){for(var n=0,o=this.inverted?2:1,i=this.inverted?1:2,s=0;s<this.ranges.length;s+=3){var a=this.ranges[s]-(this.inverted?n:0);if(a>t)break;var c=this.ranges[s+o],l=this.ranges[s+i],u=a+c;if(t<=u){var p=a+n+((c?t==a?-1:t==u?1:e:e)<0?0:l);if(r)return p;var h=s/3+(t-a)*mt;return new vt(p,e<0?t!=a:t!=u,h)}n+=l-c}return r?t+n:new vt(t+n)},yt.prototype.touches=function(t,e){for(var r=0,n=gt(e),o=this.inverted?2:1,i=this.inverted?1:2,s=0;s<this.ranges.length;s+=3){var a=this.ranges[s]-(this.inverted?r:0);if(a>t)break;var c=this.ranges[s+o];if(t<=a+c&&s==3*n)return!0;r+=this.ranges[s+i]-c}return!1},yt.prototype.forEach=function(t){for(var e=this.inverted?2:1,r=this.inverted?1:2,n=0,o=0;n<this.ranges.length;n+=3){var i=this.ranges[n],s=i-(this.inverted?o:0),a=i+(this.inverted?0:o),c=this.ranges[n+e],l=this.ranges[n+r];t(s,s+c,a,a+l),o+=l-c}},yt.prototype.invert=function(){return new yt(this.ranges,!this.inverted)},yt.prototype.toString=function(){return(this.inverted?"-":"")+JSON.stringify(this.ranges)},yt.offset=function(t){return 0==t?yt.empty:new yt(t<0?[0,-t,0]:[0,0,t])},yt.empty=new yt([]);var bt=function(t,e,r,n){this.maps=t||[],this.from=r||0,this.to=null==n?this.maps.length:n,this.mirror=e};function kt(t){var e=Error.call(this,t);return e.__proto__=kt.prototype,e}bt.prototype.slice=function(t,e){return void 0===t&&(t=0),void 0===e&&(e=this.maps.length),new bt(this.maps,this.mirror,t,e)},bt.prototype.copy=function(){return new bt(this.maps.slice(),this.mirror&&this.mirror.slice(),this.from,this.to)},bt.prototype.appendMap=function(t,e){this.to=this.maps.push(t),null!=e&&this.setMirror(this.maps.length-1,e)},bt.prototype.appendMapping=function(t){for(var e=0,r=this.maps.length;e<t.maps.length;e++){var n=t.getMirror(e);this.appendMap(t.maps[e],null!=n&&n<e?r+n:null)}},bt.prototype.getMirror=function(t){if(this.mirror)for(var e=0;e<this.mirror.length;e++)if(this.mirror[e]==t)return this.mirror[e+(e%2?-1:1)]},bt.prototype.setMirror=function(t,e){this.mirror||(this.mirror=[]),this.mirror.push(t,e)},bt.prototype.appendMappingInverted=function(t){for(var e=t.maps.length-1,r=this.maps.length+t.maps.length;e>=0;e--){var n=t.getMirror(e);this.appendMap(t.maps[e].invert(),null!=n&&n>e?r-n-1:null)}},bt.prototype.invert=function(){var t=new bt;return t.appendMappingInverted(this),t},bt.prototype.map=function(t,e){if(void 0===e&&(e=1),this.mirror)return this._map(t,e,!0);for(var r=this.from;r<this.to;r++)t=this.maps[r].map(t,e);return t},bt.prototype.mapResult=function(t,e){return void 0===e&&(e=1),this._map(t,e,!1)},bt.prototype._map=function(t,e,r){for(var n=!1,o=null,i=this.from;i<this.to;i++){var s=this.maps[i],a=o&&o[i];if(null!=a&&s.touches(t,a))t=s.recover(a);else{var c=s.mapResult(t,e);if(null!=c.recover){var l=this.getMirror(i);if(null!=l&&l>i&&l<this.to){if(c.deleted){i=l,t=this.maps[l].recover(c.recover);continue}(o||(o=Object.create(null)))[l]=c.recover}}c.deleted&&(n=!0),t=c.pos}}return r?t:new vt(t,n)},kt.prototype=Object.create(Error.prototype),kt.prototype.constructor=kt,kt.prototype.name="TransformError";var _t=function(t){this.doc=t,this.steps=[],this.docs=[],this.mapping=new bt},wt={before:{configurable:!0},docChanged:{configurable:!0}};function xt(){throw new Error("Override me")}wt.before.get=function(){return this.docs.length?this.docs[0]:this.doc},_t.prototype.step=function(t){var e=this.maybeStep(t);if(e.failed)throw new kt(e.failed);return this},_t.prototype.maybeStep=function(t){var e=t.apply(this.doc);return e.failed||this.addStep(t,e.doc),e},wt.docChanged.get=function(){return this.steps.length>0},_t.prototype.addStep=function(t,e){this.docs.push(this.doc),this.steps.push(t),this.mapping.appendMap(t.getMap()),this.doc=e},Object.defineProperties(_t.prototype,wt);var Ct=Object.create(null),St=function(){};St.prototype.apply=function(t){return xt()},St.prototype.getMap=function(){return yt.empty},St.prototype.invert=function(t){return xt()},St.prototype.map=function(t){return xt()},St.prototype.merge=function(t){return null},St.prototype.toJSON=function(){return xt()},St.fromJSON=function(t,e){if(!e||!e.stepType)throw new RangeError("Invalid input for Step.fromJSON");var r=Ct[e.stepType];if(!r)throw new RangeError("No step type "+e.stepType+" defined");return r.fromJSON(t,e)},St.jsonID=function(t,e){if(t in Ct)throw new RangeError("Duplicate use of step JSON ID "+t);return Ct[t]=e,e.prototype.jsonID=t,e};var At=function(t,e){this.doc=t,this.failed=e};At.ok=function(t){return new At(t,null)},At.fail=function(t){return new At(null,t)},At.fromReplace=function(t,e,r,n){try{return At.ok(t.replace(e,r,n))}catch(t){if(t instanceof h)return At.fail(t.message);throw t}};var Et=function(t){function e(e,r,n,o){t.call(this),this.from=e,this.to=r,this.slice=n,this.structure=!!o}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.apply=function(t){return this.structure&&Dt(t,this.from,this.to)?At.fail("Structure replace would overwrite content"):At.fromReplace(t,this.from,this.to,this.slice)},e.prototype.getMap=function(){return new yt([this.from,this.to-this.from,this.slice.size])},e.prototype.invert=function(t){return new e(this.from,this.from+this.slice.size,t.slice(this.from,this.to))},e.prototype.map=function(t){var r=t.mapResult(this.from,1),n=t.mapResult(this.to,-1);return r.deleted&&n.deleted?null:new e(r.pos,Math.max(r.pos,n.pos),this.slice)},e.prototype.merge=function(t){if(!(t instanceof e)||t.structure!=this.structure)return null;if(this.from+this.slice.size!=t.from||this.slice.openEnd||t.slice.openStart){if(t.to!=this.from||this.slice.openStart||t.slice.openEnd)return null;var r=this.slice.size+t.slice.size==0?f.empty:new f(t.slice.content.append(this.slice.content),t.slice.openStart,this.slice.openEnd);return new e(t.from,this.to,r,this.structure)}var n=this.slice.size+t.slice.size==0?f.empty:new f(this.slice.content.append(t.slice.content),this.slice.openStart,t.slice.openEnd);return new e(this.from,this.to+(t.to-t.from),n,this.structure)},e.prototype.toJSON=function(){var t={stepType:"replace",from:this.from,to:this.to};return this.slice.size&&(t.slice=this.slice.toJSON()),this.structure&&(t.structure=!0),t},e.fromJSON=function(t,r){if("number"!=typeof r.from||"number"!=typeof r.to)throw new RangeError("Invalid input for ReplaceStep.fromJSON");return new e(r.from,r.to,f.fromJSON(t,r.slice),!!r.structure)},e}(St);St.jsonID("replace",Et);var Mt=function(t){function e(e,r,n,o,i,s,a){t.call(this),this.from=e,this.to=r,this.gapFrom=n,this.gapTo=o,this.slice=i,this.insert=s,this.structure=!!a}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.apply=function(t){if(this.structure&&(Dt(t,this.from,this.gapFrom)||Dt(t,this.gapTo,this.to)))return At.fail("Structure gap-replace would overwrite content");var e=t.slice(this.gapFrom,this.gapTo);if(e.openStart||e.openEnd)return At.fail("Gap is not a flat range");var r=this.slice.insertAt(this.insert,e.content);return r?At.fromReplace(t,this.from,this.to,r):At.fail("Content does not fit in gap")},e.prototype.getMap=function(){return new yt([this.from,this.gapFrom-this.from,this.insert,this.gapTo,this.to-this.gapTo,this.slice.size-this.insert])},e.prototype.invert=function(t){var r=this.gapTo-this.gapFrom;return new e(this.from,this.from+this.slice.size+r,this.from+this.insert,this.from+this.insert+r,t.slice(this.from,this.to).removeBetween(this.gapFrom-this.from,this.gapTo-this.from),this.gapFrom-this.from,this.structure)},e.prototype.map=function(t){var r=t.mapResult(this.from,1),n=t.mapResult(this.to,-1),o=t.map(this.gapFrom,-1),i=t.map(this.gapTo,1);return r.deleted&&n.deleted||o<r.pos||i>n.pos?null:new e(r.pos,n.pos,o,i,this.slice,this.insert,this.structure)},e.prototype.toJSON=function(){var t={stepType:"replaceAround",from:this.from,to:this.to,gapFrom:this.gapFrom,gapTo:this.gapTo,insert:this.insert};return this.slice.size&&(t.slice=this.slice.toJSON()),this.structure&&(t.structure=!0),t},e.fromJSON=function(t,r){if("number"!=typeof r.from||"number"!=typeof r.to||"number"!=typeof r.gapFrom||"number"!=typeof r.gapTo||"number"!=typeof r.insert)throw new RangeError("Invalid input for ReplaceAroundStep.fromJSON");return new e(r.from,r.to,r.gapFrom,r.gapTo,f.fromJSON(t,r.slice),r.insert,!!r.structure)},e}(St);function Dt(t,e,r){for(var n=t.resolve(e),o=r-e,i=n.depth;o>0&&i>0&&n.indexAfter(i)==n.node(i).childCount;)i--,o--;if(o>0)for(var s=n.node(i).maybeChild(n.indexAfter(i));o>0;){if(!s||s.isLeaf)return!0;s=s.firstChild,o--}return!1}function Tt(t,e,r){return(0==e||t.canReplace(e,t.childCount))&&(r==t.childCount||t.canReplace(0,r))}function Ot(t){for(var e=t.parent.content.cutByIndex(t.startIndex,t.endIndex),r=t.depth;;--r){var n=t.$from.node(r),o=t.$from.index(r),i=t.$to.indexAfter(r);if(r<t.depth&&n.canReplace(o,i,e))return r;if(0==r||n.type.spec.isolating||!Tt(n,o,i))break}}function qt(t,e,r,n){void 0===n&&(n=t);var o=function(t,e){var r=t.parent,n=t.startIndex,o=t.endIndex,i=r.contentMatchAt(n).findWrapping(e);if(!i)return null;var s=i.length?i[0]:e;return r.canReplaceWith(n,o,s)?i:null}(t,e),i=o&&function(t,e){var r=t.parent,n=t.startIndex,o=t.endIndex,i=r.child(n),s=e.contentMatch.findWrapping(i.type);if(!s)return null;for(var a=(s.length?s[s.length-1]:e).contentMatch,c=n;a&&c<o;c++)a=a.matchType(r.child(c).type);if(!a||!a.validEnd)return null;return s}(n,e);return i?o.map(zt).concat({type:e,attrs:r}).concat(i.map(zt)):null}function zt(t){return{type:t,attrs:null}}function Nt(t,e,r,n){void 0===r&&(r=1);var o=t.resolve(e),i=o.depth-r,s=n&&n[n.length-1]||o.parent;if(i<0||o.parent.type.spec.isolating||!o.parent.canReplace(o.index(),o.parent.childCount)||!s.type.validContent(o.parent.content.cutByIndex(o.index(),o.parent.childCount)))return!1;for(var a=o.depth-1,c=r-2;a>i;a--,c--){var l=o.node(a),u=o.index(a);if(l.type.spec.isolating)return!1;var p=l.content.cutByIndex(u,l.childCount),h=n&&n[c]||l;if(h!=l&&(p=p.replaceChild(0,h.type.create(h.attrs))),!l.canReplace(u+1,l.childCount)||!h.type.validContent(p))return!1}var f=o.indexAfter(i),d=n&&n[0];return o.node(i).canReplaceWith(f,f,d?d.type:o.node(i+1).type)}function It(t,e){var r=t.resolve(e),n=r.index();return Lt(r.nodeBefore,r.nodeAfter)&&r.parent.canReplace(n,n+1)}function Lt(t,e){return t&&e&&!t.isLeaf&&t.canAppend(e)}function Rt(t,e,r){void 0===r&&(r=-1);for(var n=t.resolve(e),o=n.depth;;o--){var i=void 0,s=void 0,a=n.index(o);if(o==n.depth?(i=n.nodeBefore,s=n.nodeAfter):r>0?(i=n.node(o+1),a++,s=n.node(o).maybeChild(a)):(i=n.node(o).maybeChild(a-1),s=n.node(o+1)),i&&!i.isTextblock&&Lt(i,s)&&n.node(o).canReplace(a,a+1))return e;if(0==o)break;e=r<0?n.before(o):n.after(o)}}function Ft(t,e,r){var n=t.resolve(e);if(!r.content.size)return e;for(var o=r.content,i=0;i<r.openStart;i++)o=o.firstChild.content;for(var s=1;s<=(0==r.openStart&&r.size?2:1);s++)for(var a=n.depth;a>=0;a--){var c=a==n.depth?0:n.pos<=(n.start(a+1)+n.end(a+1))/2?-1:1,l=n.index(a)+(c>0?1:0);if(1==s?n.node(a).canReplace(l,l,o):n.node(a).contentMatchAt(l).findWrapping(o.firstChild.type))return 0==c?n.pos:c<0?n.before(a+1):n.after(a+1)}return null}function Pt(t,e,r){for(var n=[],o=0;o<t.childCount;o++){var i=t.child(o);i.content.size&&(i=i.copy(Pt(i.content,e,i))),i.isInline&&(i=e(i,r,o)),n.push(i)}return s.fromArray(n)}St.jsonID("replaceAround",Mt),_t.prototype.lift=function(t,e){for(var r=t.$from,n=t.$to,o=t.depth,i=r.before(o+1),a=n.after(o+1),c=i,l=a,u=s.empty,p=0,h=o,d=!1;h>e;h--)d||r.index(h)>0?(d=!0,u=s.from(r.node(h).copy(u)),p++):c--;for(var m=s.empty,g=0,v=o,y=!1;v>e;v--)y||n.after(v+1)<n.end(v)?(y=!0,m=s.from(n.node(v).copy(m)),g++):l++;return this.step(new Mt(c,l,i,a,new f(u.append(m),p,g),u.size-p,!0))},_t.prototype.wrap=function(t,e){for(var r=s.empty,n=e.length-1;n>=0;n--)r=s.from(e[n].type.create(e[n].attrs,r));var o=t.start,i=t.end;return this.step(new Mt(o,i,o,i,new f(r,0,0),e.length,!0))},_t.prototype.setBlockType=function(t,e,r,n){var o=this;if(void 0===e&&(e=t),!r.isTextblock)throw new RangeError("Type given to setBlockType should be a textblock");var i=this.steps.length;return this.doc.nodesBetween(t,e,(function(t,e){if(t.isTextblock&&!t.hasMarkup(r,n)&&function(t,e,r){var n=t.resolve(e),o=n.index();return n.parent.canReplaceWith(o,o+1,r)}(o.doc,o.mapping.slice(i).map(e),r)){o.clearIncompatible(o.mapping.slice(i).map(e,1),r);var a=o.mapping.slice(i),c=a.map(e,1),l=a.map(e+t.nodeSize,1);return o.step(new Mt(c,l,c+1,l-1,new f(s.from(r.create(n,null,t.marks)),0,0),1,!0)),!1}})),this},_t.prototype.setNodeMarkup=function(t,e,r,n){var o=this.doc.nodeAt(t);if(!o)throw new RangeError("No node at given position");e||(e=o.type);var i=e.create(r,null,n||o.marks);if(o.isLeaf)return this.replaceWith(t,t+o.nodeSize,i);if(!e.validContent(o.content))throw new RangeError("Invalid content for node type "+e.name);return this.step(new Mt(t,t+o.nodeSize,t+1,t+o.nodeSize-1,new f(s.from(i),0,0),1,!0))},_t.prototype.split=function(t,e,r){void 0===e&&(e=1);for(var n=this.doc.resolve(t),o=s.empty,i=s.empty,a=n.depth,c=n.depth-e,l=e-1;a>c;a--,l--){o=s.from(n.node(a).copy(o));var u=r&&r[l];i=s.from(u?u.type.create(u.attrs,i):n.node(a).copy(i))}return this.step(new Et(t,t,new f(o.append(i),e,e),!0))},_t.prototype.join=function(t,e){void 0===e&&(e=1);var r=new Et(t-e,t+e,f.empty,!0);return this.step(r)};var Bt=function(t){function e(e,r,n){t.call(this),this.from=e,this.to=r,this.mark=n}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.apply=function(t){var e=this,r=t.slice(this.from,this.to),n=t.resolve(this.from),o=n.node(n.sharedDepth(this.to)),i=new f(Pt(r.content,(function(t,r){return r.type.allowsMarkType(e.mark.type)?t.mark(e.mark.addToSet(t.marks)):t}),o),r.openStart,r.openEnd);return At.fromReplace(t,this.from,this.to,i)},e.prototype.invert=function(){return new Vt(this.from,this.to,this.mark)},e.prototype.map=function(t){var r=t.mapResult(this.from,1),n=t.mapResult(this.to,-1);return r.deleted&&n.deleted||r.pos>=n.pos?null:new e(r.pos,n.pos,this.mark)},e.prototype.merge=function(t){if(t instanceof e&&t.mark.eq(this.mark)&&this.from<=t.to&&this.to>=t.from)return new e(Math.min(this.from,t.from),Math.max(this.to,t.to),this.mark)},e.prototype.toJSON=function(){return{stepType:"addMark",mark:this.mark.toJSON(),from:this.from,to:this.to}},e.fromJSON=function(t,r){if("number"!=typeof r.from||"number"!=typeof r.to)throw new RangeError("Invalid input for AddMarkStep.fromJSON");return new e(r.from,r.to,t.markFromJSON(r.mark))},e}(St);St.jsonID("addMark",Bt);var Vt=function(t){function e(e,r,n){t.call(this),this.from=e,this.to=r,this.mark=n}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.apply=function(t){var e=this,r=t.slice(this.from,this.to),n=new f(Pt(r.content,(function(t){return t.mark(e.mark.removeFromSet(t.marks))})),r.openStart,r.openEnd);return At.fromReplace(t,this.from,this.to,n)},e.prototype.invert=function(){return new Bt(this.from,this.to,this.mark)},e.prototype.map=function(t){var r=t.mapResult(this.from,1),n=t.mapResult(this.to,-1);return r.deleted&&n.deleted||r.pos>=n.pos?null:new e(r.pos,n.pos,this.mark)},e.prototype.merge=function(t){if(t instanceof e&&t.mark.eq(this.mark)&&this.from<=t.to&&this.to>=t.from)return new e(Math.min(this.from,t.from),Math.max(this.to,t.to),this.mark)},e.prototype.toJSON=function(){return{stepType:"removeMark",mark:this.mark.toJSON(),from:this.from,to:this.to}},e.fromJSON=function(t,r){if("number"!=typeof r.from||"number"!=typeof r.to)throw new RangeError("Invalid input for RemoveMarkStep.fromJSON");return new e(r.from,r.to,t.markFromJSON(r.mark))},e}(St);function $t(t,e,r,n){if(void 0===r&&(r=e),void 0===n&&(n=f.empty),e==r&&!n.size)return null;var o=t.resolve(e),i=t.resolve(r);if(Ht(o,i,n))return new Et(e,r,n);var a=function(t,e){var r=function t(e,r,n,o){var i=s.empty,a=0,c=n[r];if(e.depth>r){var l=t(e,r+1,n,o||c);a=l.openEnd+1,i=s.from(e.node(r+1).copy(l.content))}c&&(i=i.append(c.content),a=c.openEnd);o&&(i=i.append(e.node(r).contentMatchAt(e.indexAfter(r)).fillBefore(s.empty,!0)),a=0);return{content:i,openEnd:a}}(t,0,e,!1),n=r.content,o=r.openEnd;return new f(n,t.depth,o||0)}(o,function(t,e){for(var r=new Gt(t),n=1;e.size&&n<=3;n++){var o=r.placeSlice(e.content,e.openStart,e.openEnd,n);3==n&&o!=e&&o.size&&(n=0),e=o}for(;r.open.length;)r.closeNode();return r.placed}(o,n)),c=Ut(o,i,a);if(!c)return null;if(a.size!=c.size&&function(t,e,r){if(!e.parent.isTextblock)return!1;var n,o=r.openEnd?function(t,e){for(var r=1;r<e;r++)t=t.lastChild.content;return t.lastChild}(r.content,r.openEnd):t.node(t.depth-(r.openStart-r.openEnd));if(!o.isTextblock)return!1;for(var i=e.index();i<e.parent.childCount;i++)if(!o.type.allowsMarks(e.parent.child(i).marks))return!1;r.openEnd?n=o.contentMatchAt(o.childCount):(n=o.contentMatchAt(o.childCount),r.size&&(n=n.matchFragment(r.content,r.openStart?1:0)));return(n=n.matchFragment(e.parent.content,e.index()))&&n.validEnd}(o,i,a)){for(var l=i.depth,u=i.after(l);l>1&&u==i.end(--l);)++u;var p=Ut(o,t.resolve(u),a);if(p)return new Mt(e,u,r,i.end(),p,a.size)}return c.size||e!=r?new Et(e,r,c):null}function jt(t,e,r,n,o,i,a){var c,l=t.childCount,u=l-(a>0?1:0),p=i<0?e:r.node(o);c=i<0?p.contentMatchAt(u):1==l&&a>0?p.contentMatchAt(i?r.index(o):r.indexAfter(o)):p.contentMatchAt(r.indexAfter(o)).matchFragment(t,l>0&&i?1:0,u);var h=n.node(o);if(a>0&&o<n.depth){var f=h.content.cutByIndex(n.indexAfter(o)).addToStart(t.lastChild),d=c.fillBefore(f,!0);if(d&&d.size&&i>0&&1==l&&(d=null),d){var m=jt(t.lastChild.content,t.lastChild,r,n,o+1,1==l?i-1:-1,a-1);if(m){var g=t.lastChild.copy(m);return d.size?t.cutByIndex(0,l-1).append(d).addToEnd(g):t.replaceChild(l-1,g)}}}a>0&&(c=c.matchType((1==l&&i>0?r.node(o+1):t.lastChild).type));var v=n.index(o);if(v==h.childCount&&!h.type.compatibleContent(e.type))return null;for(var y=c.fillBefore(h.content,!0,v),b=v;y&&b<h.content.childCount;b++)p.type.allowsMarks(h.content.child(b).marks)||(y=null);if(!y)return null;if(a>0){var k=function t(e,r,n,o,i){var a,c=e.content,l=c.childCount;a=i>=0?n.node(o).contentMatchAt(n.indexAfter(o)).matchFragment(c,i>0?1:0,l):e.contentMatchAt(l);if(r>0){var u=t(c.lastChild,r-1,n,o+1,1==l?i-1:-1);c=c.replaceChild(l-1,u)}return e.copy(c.append(a.fillBefore(s.empty,!0)))}(t.lastChild,a-1,r,o+1,1==l?i-1:-1);t=t.replaceChild(l-1,k)}return t=t.append(y),n.depth>o&&(t=t.addToEnd(function t(e,r){var n=e.node(r),o=n.contentMatchAt(0).fillBefore(n.content,!0,e.index(r));e.depth>r&&(o=o.addToEnd(t(e,r+1)));return n.copy(o)}(n,o+1))),t}function Ut(t,e,r){var n=jt(r.content,t.node(0),t,e,0,r.openStart,r.openEnd);return n?function(t,e,r){for(;e>0&&r>0&&1==t.childCount;)t=t.firstChild.content,e--,r--;return new f(t,e,r)}(n,r.openStart,e.depth):null}function Ht(t,e,r){return!r.openStart&&!r.openEnd&&t.start()==e.start()&&t.parent.canReplace(t.index(),e.index(),r.content)}St.jsonID("removeMark",Vt),_t.prototype.addMark=function(t,e,r){var n=this,o=[],i=[],s=null,a=null;return this.doc.nodesBetween(t,e,(function(n,c,l){if(n.isInline){var u=n.marks;if(!r.isInSet(u)&&l.type.allowsMarkType(r.type)){for(var p=Math.max(c,t),h=Math.min(c+n.nodeSize,e),f=r.addToSet(u),d=0;d<u.length;d++)u[d].isInSet(f)||(s&&s.to==p&&s.mark.eq(u[d])?s.to=h:o.push(s=new Vt(p,h,u[d])));a&&a.to==p?a.to=h:i.push(a=new Bt(p,h,r))}}})),o.forEach((function(t){return n.step(t)})),i.forEach((function(t){return n.step(t)})),this},_t.prototype.removeMark=function(t,e,r){var n=this;void 0===r&&(r=null);var o=[],i=0;return this.doc.nodesBetween(t,e,(function(n,s){if(n.isInline){i++;var a=null;if(r instanceof Q){var c=r.isInSet(n.marks);c&&(a=[c])}else r?r.isInSet(n.marks)&&(a=[r]):a=n.marks;if(a&&a.length)for(var l=Math.min(s+n.nodeSize,e),u=0;u<a.length;u++){for(var p=a[u],h=void 0,f=0;f<o.length;f++){var d=o[f];d.step==i-1&&p.eq(o[f].style)&&(h=d)}h?(h.to=l,h.step=i):o.push({style:p,from:Math.max(s,t),to:l,step:i})}}})),o.forEach((function(t){return n.step(new Vt(t.from,t.to,t.style))})),this},_t.prototype.clearIncompatible=function(t,e,r){void 0===r&&(r=e.contentMatch);for(var n=this.doc.nodeAt(t),o=[],i=t+1,a=0;a<n.childCount;a++){var c=n.child(a),l=i+c.nodeSize,u=r.matchType(c.type,c.attrs);if(u){r=u;for(var p=0;p<c.marks.length;p++)e.allowsMarkType(c.marks[p].type)||this.step(new Vt(i,l,c.marks[p]))}else o.push(new Et(i,l,f.empty));i=l}if(!r.validEnd){var h=r.fillBefore(s.empty,!0);this.replace(i,i,new f(h,0,0))}for(var d=o.length-1;d>=0;d--)this.step(o[d]);return this},_t.prototype.replace=function(t,e,r){void 0===e&&(e=t),void 0===r&&(r=f.empty);var n=$t(this.doc,t,e,r);return n&&this.step(n),this},_t.prototype.replaceWith=function(t,e,r){return this.replace(t,e,new f(s.from(r),0,0))},_t.prototype.delete=function(t,e){return this.replace(t,e,f.empty)},_t.prototype.insert=function(t,e){return this.replaceWith(t,t,e)};var Gt=function(t){this.open=[];for(var e=0;e<=t.depth;e++){var r=t.node(e),n=r.contentMatchAt(t.indexAfter(e));this.open.push({parent:r,match:n,content:s.empty,wrapper:!1,openEnd:0,depth:e})}this.placed=[]};function Jt(t,e,r){var n=t.content;if(e>1){var o=Jt(t.firstChild,e-1,1==t.childCount?r-1:0);n=t.content.replaceChild(0,o)}var i=t.type.contentMatch.fillBefore(n,0==r);return t.copy(i.append(n))}function Zt(t,e,r,n,o){if(e<r){var i=t.firstChild;t=t.replaceChild(0,i.copy(Zt(i.content,e+1,r,n,i)))}if(e>n){var a=o.contentMatchAt(0),c=a.fillBefore(t).append(t);t=c.append(a.matchFragment(c).fillBefore(s.empty,!0))}return t}function Wt(t,e){for(var r=[],n=Math.min(t.depth,e.depth);n>=0;n--){var o=t.start(n);if(o<t.pos-(t.depth-n)||e.end(n)>e.pos+(e.depth-n)||t.node(n).type.spec.isolating||e.node(n).type.spec.isolating)break;o==e.start(n)&&r.push(n)}return r}function Kt(t){return(Kt="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}Gt.prototype.placeSlice=function(t,e,r,n,o){if(e>0){var i=t.firstChild,a=this.placeSlice(i.content,Math.max(0,e-1),r&&1==t.childCount?r-1:0,n,i);a.content!=i.content&&(a.content.size?(t=t.replaceChild(0,i.copy(a.content)),e=a.openStart+1):(1==t.childCount&&(r=0),t=t.cutByIndex(1),e=0))}var c=this.placeContent(t,e,r,n,o);if(n>2&&c.size&&0==e){var l=c.content.firstChild,u=1==c.content.childCount;this.placeContent(l.content,0,r&&u?r-1:0,n,l),c=u?s.empty:new f(c.content.cutByIndex(1),0,r)}return c},Gt.prototype.placeContent=function(t,e,r,n,o){for(var i=0;i<t.childCount;i++){for(var a=t.child(i),c=!1,l=i==t.childCount-1,u=this.open.length-1;u>=0;u--){var p=this.open[u],h=void 0;if(n>1&&(h=p.match.findWrapping(a.type))&&(!o||!h.length||h[h.length-1]!=o.type)){for(;this.open.length-1>u;)this.closeNode();for(var d=0;d<h.length;d++)p.match=p.match.matchType(h[d]),u++,p={parent:h[d].create(),match:h[d].contentMatch,content:s.empty,wrapper:!0,openEnd:0,depth:u+d},this.open.push(p)}var m=p.match.matchType(a.type);if(!m){var g=p.match.fillBefore(s.from(a));if(!g){if(o&&p.match.matchType(o.type))break;continue}for(var v=0;v<g.childCount;v++){var y=g.child(v);this.addNode(p,y,0),m=p.match.matchFragment(y)}}for(;this.open.length-1>u;)this.closeNode();a=a.mark(p.parent.type.allowedMarks(a.marks)),e&&(a=Jt(a,e,l?r:0),e=0),this.addNode(p,a,l?r:0),p.match=m,l&&(r=0),c=!0;break}if(!c)break}return this.open.length>1&&(i>0&&i==t.childCount||o&&this.open[this.open.length-1].parent.type==o.type)&&this.closeNode(),new f(t.cutByIndex(i),e,r)},Gt.prototype.addNode=function(t,e,r){var n,o;t.content=(n=t.content,o=t.openEnd,o?n.replaceChild(n.childCount-1,function t(e,r){var n=e.content;if(r>1){var o=t(e.lastChild,r-1);n=e.content.replaceChild(e.childCount-1,o)}var i=e.contentMatchAt(e.childCount).fillBefore(s.empty,!0);return e.copy(n.append(i))}(n.lastChild,o)):n).addToEnd(e),t.openEnd=r},Gt.prototype.closeNode=function(){var t=this.open.pop();0==t.content.size||(t.wrapper?this.addNode(this.open[this.open.length-1],t.parent.copy(t.content),t.openEnd+1):this.placed[t.depth]={depth:t.depth,content:t.content,openEnd:t.openEnd})},_t.prototype.replaceRange=function(t,e,r){if(!r.size)return this.deleteRange(t,e);var n=this.doc.resolve(t),o=this.doc.resolve(e);if(Ht(n,o,r))return this.step(new Et(t,e,r));var i=Wt(n,this.doc.resolve(e));0==i[i.length-1]&&i.pop();var s=-(n.depth+1);i.unshift(s);for(var a=n.depth,c=n.pos-1;a>0;a--,c--){var l=n.node(a).type.spec;if(l.defining||l.isolating)break;i.indexOf(a)>-1?s=a:n.before(a)==c&&i.splice(1,0,-a)}for(var u=i.indexOf(s),p=[],h=r.openStart,d=r.content,m=0;;m++){var g=d.firstChild;if(p.push(g),m==r.openStart)break;d=g.content}h>0&&p[h-1].type.spec.defining&&n.node(u).type!=p[h-1].type?h-=1:h>=2&&p[h-1].isTextblock&&p[h-2].type.spec.defining&&n.node(u).type!=p[h-2].type&&(h-=2);for(var v=r.openStart;v>=0;v--){var y=(v+h+1)%(r.openStart+1),b=p[y];if(b)for(var k=0;k<i.length;k++){var _=i[(k+u)%i.length],w=!0;_<0&&(w=!1,_=-_);var x=n.node(_-1),C=n.index(_-1);if(x.canReplaceWith(C,C,b.type,b.marks))return this.replace(n.before(_),w?o.after(_):e,new f(Zt(r.content,0,r.openStart,y),y,r.openEnd))}}for(var S=this.steps.length,A=i.length-1;A>=0&&(this.replace(t,e,r),!(this.steps.length>S));A--){var E=i[A];A<0||(t=n.before(E),e=o.after(E))}return this},_t.prototype.replaceRangeWith=function(t,e,r){if(!r.isInline&&t==e&&this.doc.resolve(t).parent.content.size){var n=function(t,e,r){var n=t.resolve(e);if(n.parent.canReplaceWith(n.index(),n.index(),r))return e;if(0==n.parentOffset)for(var o=n.depth-1;o>=0;o--){var i=n.index(o);if(n.node(o).canReplaceWith(i,i,r))return n.before(o+1);if(i>0)return null}if(n.parentOffset==n.parent.content.size)for(var s=n.depth-1;s>=0;s--){var a=n.indexAfter(s);if(n.node(s).canReplaceWith(a,a,r))return n.after(s+1);if(a<n.node(s).childCount)return null}}(this.doc,t,r.type);null!=n&&(t=e=n)}return this.replaceRange(t,e,new f(s.from(r),0,0))},_t.prototype.deleteRange=function(t,e){for(var r=this.doc.resolve(t),n=this.doc.resolve(e),o=Wt(r,n),i=0;i<o.length;i++){var s=o[i],a=i==o.length-1;if(a&&0==s||r.node(s).type.contentMatch.validEnd)return this.delete(r.start(s),n.end(s));if(s>0&&(a||r.node(s-1).canReplace(r.index(s-1),n.indexAfter(s-1))))return this.delete(r.before(s),n.after(s))}for(var c=1;c<=r.depth&&c<=n.depth;c++)if(t-r.start(c)==r.depth-c&&e>r.end(c)&&n.end(c)-e!=n.depth-c)return this.delete(r.before(c),e);return this.delete(t,e)};var Yt=Object.create(null),Qt=function(t,e,r){this.ranges=r||[new te(t.min(e),t.max(e))],this.$anchor=t,this.$head=e},Xt={anchor:{configurable:!0},head:{configurable:!0},from:{configurable:!0},to:{configurable:!0},$from:{configurable:!0},$to:{configurable:!0},empty:{configurable:!0}};Xt.anchor.get=function(){return this.$anchor.pos},Xt.head.get=function(){return this.$head.pos},Xt.from.get=function(){return this.$from.pos},Xt.to.get=function(){return this.$to.pos},Xt.$from.get=function(){return this.ranges[0].$from},Xt.$to.get=function(){return this.ranges[0].$to},Xt.empty.get=function(){for(var t=this.ranges,e=0;e<t.length;e++)if(t[e].$from.pos!=t[e].$to.pos)return!1;return!0},Qt.prototype.content=function(){return this.$from.node(0).slice(this.from,this.to,!0)},Qt.prototype.replace=function(t,e){void 0===e&&(e=f.empty);for(var r=e.content.lastChild,n=null,o=0;o<e.openEnd;o++)n=r,r=r.lastChild;for(var i=t.steps.length,s=this.ranges,a=0;a<s.length;a++){var c=s[a],l=c.$from,u=c.$to,p=t.mapping.slice(i);t.replaceRange(p.map(l.pos),p.map(u.pos),a?f.empty:e),0==a&&ce(t,i,(r?r.isInline:n&&n.isTextblock)?-1:1)}},Qt.prototype.replaceWith=function(t,e){for(var r=t.steps.length,n=this.ranges,o=0;o<n.length;o++){var i=n[o],s=i.$from,a=i.$to,c=t.mapping.slice(r),l=c.map(s.pos),u=c.map(a.pos);o?t.deleteRange(l,u):(t.replaceRangeWith(l,u,e),ce(t,r,e.isInline?-1:1))}},Qt.findFrom=function(t,e,r){var n=t.parent.inlineContent?new ee(t):ae(t.node(0),t.parent,t.pos,t.index(),e,r);if(n)return n;for(var o=t.depth-1;o>=0;o--){var i=e<0?ae(t.node(0),t.node(o),t.before(o+1),t.index(o),e,r):ae(t.node(0),t.node(o),t.after(o+1),t.index(o)+1,e,r);if(i)return i}},Qt.near=function(t,e){return void 0===e&&(e=1),this.findFrom(t,e)||this.findFrom(t,-e)||new ie(t.node(0))},Qt.atStart=function(t){return ae(t,t,0,0,1)||new ie(t)},Qt.atEnd=function(t){return ae(t,t,t.content.size,t.childCount,-1)||new ie(t)},Qt.fromJSON=function(t,e){if(!e||!e.type)throw new RangeError("Invalid input for Selection.fromJSON");var r=Yt[e.type];if(!r)throw new RangeError("No selection type "+e.type+" defined");return r.fromJSON(t,e)},Qt.jsonID=function(t,e){if(t in Yt)throw new RangeError("Duplicate use of selection JSON ID "+t);return Yt[t]=e,e.prototype.jsonID=t,e},Qt.prototype.getBookmark=function(){return ee.between(this.$anchor,this.$head).getBookmark()},Object.defineProperties(Qt.prototype,Xt),Qt.prototype.visible=!0;var te=function(t,e){this.$from=t,this.$to=e},ee=function(t){function e(e,r){void 0===r&&(r=e),t.call(this,e,r)}t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e;var r={$cursor:{configurable:!0}};return r.$cursor.get=function(){return this.$anchor.pos==this.$head.pos?this.$head:null},e.prototype.map=function(r,n){var o=r.resolve(n.map(this.head));if(!o.parent.inlineContent)return t.near(o);var i=r.resolve(n.map(this.anchor));return new e(i.parent.inlineContent?i:o,o)},e.prototype.replace=function(e,r){if(void 0===r&&(r=f.empty),t.prototype.replace.call(this,e,r),r==f.empty){var n=this.$from.marksAcross(this.$to);n&&e.ensureMarks(n)}},e.prototype.eq=function(t){return t instanceof e&&t.anchor==this.anchor&&t.head==this.head},e.prototype.getBookmark=function(){return new re(this.anchor,this.head)},e.prototype.toJSON=function(){return{type:"text",anchor:this.anchor,head:this.head}},e.fromJSON=function(t,r){if("number"!=typeof r.anchor||"number"!=typeof r.head)throw new RangeError("Invalid input for TextSelection.fromJSON");return new e(t.resolve(r.anchor),t.resolve(r.head))},e.create=function(t,e,r){void 0===r&&(r=e);var n=t.resolve(e);return new this(n,r==e?n:t.resolve(r))},e.between=function(r,n,o){var i=r.pos-n.pos;if(o&&!i||(o=i>=0?1:-1),!n.parent.inlineContent){var s=t.findFrom(n,o,!0)||t.findFrom(n,-o,!0);if(!s)return t.near(n,o);n=s.$head}return r.parent.inlineContent||(0==i||(r=(t.findFrom(r,-o,!0)||t.findFrom(r,o,!0)).$anchor).pos<n.pos!=i<0)&&(r=n),new e(r,n)},Object.defineProperties(e.prototype,r),e}(Qt);Qt.jsonID("text",ee);var re=function(t,e){this.anchor=t,this.head=e};re.prototype.map=function(t){return new re(t.map(this.anchor),t.map(this.head))},re.prototype.resolve=function(t){return ee.between(t.resolve(this.anchor),t.resolve(this.head))};var ne=function(t){function e(e){var r=e.nodeAfter,n=e.node(0).resolve(e.pos+r.nodeSize);t.call(this,e,n),this.node=r}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.map=function(r,n){var o=n.mapResult(this.anchor),i=o.deleted,s=o.pos,a=r.resolve(s);return i?t.near(a):new e(a)},e.prototype.content=function(){return new f(s.from(this.node),0,0)},e.prototype.eq=function(t){return t instanceof e&&t.anchor==this.anchor},e.prototype.toJSON=function(){return{type:"node",anchor:this.anchor}},e.prototype.getBookmark=function(){return new oe(this.anchor)},e.fromJSON=function(t,r){if("number"!=typeof r.anchor)throw new RangeError("Invalid input for NodeSelection.fromJSON");return new e(t.resolve(r.anchor))},e.create=function(t,e){return new this(t.resolve(e))},e.isSelectable=function(t){return!t.isText&&!1!==t.type.spec.selectable},e}(Qt);ne.prototype.visible=!1,Qt.jsonID("node",ne);var oe=function(t){this.anchor=t};oe.prototype.map=function(t){var e=t.mapResult(this.anchor),r=e.deleted,n=e.pos;return r?new re(n,n):new oe(n)},oe.prototype.resolve=function(t){var e=t.resolve(this.anchor),r=e.nodeAfter;return r&&ne.isSelectable(r)?new ne(e):Qt.near(e)};var ie=function(t){function e(e){t.call(this,e.resolve(0),e.resolve(e.content.size))}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.toJSON=function(){return{type:"all"}},e.fromJSON=function(t){return new e(t)},e.prototype.map=function(t){return new e(t)},e.prototype.eq=function(t){return t instanceof e},e.prototype.getBookmark=function(){return se},e}(Qt);Qt.jsonID("all",ie);var se={map:function(){return this},resolve:function(t){return new ie(t)}};function ae(t,e,r,n,o,i){if(e.inlineContent)return ee.create(t,r);for(var s=n-(o>0?0:1);o>0?s<e.childCount:s>=0;s+=o){var a=e.child(s);if(a.isAtom){if(!i&&ne.isSelectable(a))return ne.create(t,r-(o<0?a.nodeSize:0))}else{var c=ae(t,a,r+o,o<0?a.childCount:0,o,i);if(c)return c}r+=a.nodeSize*o}}function ce(t,e,r){var n=t.steps.length-1;if(!(n<e)){var o,i=t.steps[n];if(i instanceof Et||i instanceof Mt)t.mapping.maps[n].forEach((function(t,e,r,n){null==o&&(o=n)})),t.setSelection(Qt.near(t.doc.resolve(o),r))}}var le=function(t){function e(e){t.call(this,e.doc),this.time=Date.now(),this.curSelection=e.selection,this.curSelectionFor=0,this.storedMarks=e.storedMarks,this.updated=0,this.meta=Object.create(null)}t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e;var r={selection:{configurable:!0},selectionSet:{configurable:!0},storedMarksSet:{configurable:!0},isGeneric:{configurable:!0},scrolledIntoView:{configurable:!0}};return r.selection.get=function(){return this.curSelectionFor<this.steps.length&&(this.curSelection=this.curSelection.map(this.doc,this.mapping.slice(this.curSelectionFor)),this.curSelectionFor=this.steps.length),this.curSelection},e.prototype.setSelection=function(t){if(t.$from.doc!=this.doc)throw new RangeError("Selection passed to setSelection must point at the current document");return this.curSelection=t,this.curSelectionFor=this.steps.length,this.updated=-3&(1|this.updated),this.storedMarks=null,this},r.selectionSet.get=function(){return(1&this.updated)>0},e.prototype.setStoredMarks=function(t){return this.storedMarks=t,this.updated|=2,this},e.prototype.ensureMarks=function(t){return p.sameSet(this.storedMarks||this.selection.$from.marks(),t)||this.setStoredMarks(t),this},e.prototype.addStoredMark=function(t){return this.ensureMarks(t.addToSet(this.storedMarks||this.selection.$head.marks()))},e.prototype.removeStoredMark=function(t){return this.ensureMarks(t.removeFromSet(this.storedMarks||this.selection.$head.marks()))},r.storedMarksSet.get=function(){return(2&this.updated)>0},e.prototype.addStep=function(e,r){t.prototype.addStep.call(this,e,r),this.updated=-3&this.updated,this.storedMarks=null},e.prototype.setTime=function(t){return this.time=t,this},e.prototype.replaceSelection=function(t){return this.selection.replace(this,t),this},e.prototype.replaceSelectionWith=function(t,e){var r=this.selection;return!1!==e&&(t=t.mark(this.storedMarks||(r.empty?r.$from.marks():r.$from.marksAcross(r.$to)||p.none))),r.replaceWith(this,t),this},e.prototype.deleteSelection=function(){return this.selection.replace(this),this},e.prototype.insertText=function(t,e,r){void 0===r&&(r=e);var n=this.doc.type.schema;if(null==e)return t?this.replaceSelectionWith(n.text(t),!0):this.deleteSelection();if(!t)return this.deleteRange(e,r);var o=this.storedMarks;if(!o){var i=this.doc.resolve(e);o=r==e?i.marks():i.marksAcross(this.doc.resolve(r))}return this.replaceRangeWith(e,r,n.text(t,o)),this.selection.empty||this.setSelection(Qt.near(this.selection.$to)),this},e.prototype.setMeta=function(t,e){return this.meta["string"==typeof t?t:t.key]=e,this},e.prototype.getMeta=function(t){return this.meta["string"==typeof t?t:t.key]},r.isGeneric.get=function(){for(var t in this.meta)return!1;return!0},e.prototype.scrollIntoView=function(){return this.updated|=4,this},r.scrolledIntoView.get=function(){return(4&this.updated)>0},Object.defineProperties(e.prototype,r),e}(_t);function ue(t,e){return e&&t?t.bind(e):t}var pe=function(t,e,r){this.name=t,this.init=ue(e.init,r),this.apply=ue(e.apply,r)},he=[new pe("doc",{init:function(t){return t.doc||t.schema.topNodeType.createAndFill()},apply:function(t){return t.doc}}),new pe("selection",{init:function(t,e){return t.selection||Qt.atStart(e.doc)},apply:function(t){return t.selection}}),new pe("storedMarks",{init:function(t){return t.storedMarks||null},apply:function(t,e,r,n){return n.selection.$cursor?t.storedMarks:null}}),new pe("scrollToSelection",{init:function(){return 0},apply:function(t,e){return t.scrolledIntoView?e+1:e}})],fe=function(t,e){var r=this;this.schema=t,this.fields=he.concat(),this.plugins=[],this.pluginsByKey=Object.create(null),e&&e.forEach((function(t){if(r.pluginsByKey[t.key])throw new RangeError("Adding different instances of a keyed plugin ("+t.key+")");r.plugins.push(t),r.pluginsByKey[t.key]=t,t.spec.state&&r.fields.push(new pe(t.key,t.spec.state,t))}))},de=function(t){this.config=t},me={schema:{configurable:!0},plugins:{configurable:!0},tr:{configurable:!0}};me.schema.get=function(){return this.config.schema},me.plugins.get=function(){return this.config.plugins},de.prototype.apply=function(t){return this.applyTransaction(t).state},de.prototype.filterTransaction=function(t,e){void 0===e&&(e=-1);for(var r=0;r<this.config.plugins.length;r++)if(r!=e){var n=this.config.plugins[r];if(n.spec.filterTransaction&&!n.spec.filterTransaction.call(n,t,this))return!1}return!0},de.prototype.applyTransaction=function(t){if(!this.filterTransaction(t))return{state:this,transactions:[]};for(var e=[t],r=this.applyInner(t),n=null;;){for(var o=!1,i=0;i<this.config.plugins.length;i++){var s=this.config.plugins[i];if(s.spec.appendTransaction){var a=n?n[i].n:0,c=n?n[i].state:this,l=a<e.length&&s.spec.appendTransaction.call(s,a?e.slice(a):e,c,r);if(l&&r.filterTransaction(l,i)){if(l.setMeta("appendedTransaction",t),!n){n=[];for(var u=0;u<this.config.plugins.length;u++)n.push(u<i?{state:r,n:e.length}:{state:this,n:0})}e.push(l),r=r.applyInner(l),o=!0}n&&(n[i]={state:r,n:e.length})}}if(!o)return{state:r,transactions:e}}},de.prototype.applyInner=function(t){if(!t.before.eq(this.doc))throw new RangeError("Applying a mismatched transaction");for(var e=new de(this.config),r=this.config.fields,n=0;n<r.length;n++){var o=r[n];e[o.name]=o.apply(t,this[o.name],this,e)}for(var i=0;i<ge.length;i++)ge[i](this,t,e);return e},me.tr.get=function(){return new le(this)},de.create=function(t){for(var e=new fe(t.schema||t.doc.type.schema,t.plugins),r=new de(e),n=0;n<e.fields.length;n++)r[e.fields[n].name]=e.fields[n].init(t,r);return r},de.prototype.reconfigure=function(t){for(var e=new fe(t.schema||this.schema,t.plugins),r=e.fields,n=new de(e),o=0;o<r.length;o++){var i=r[o].name;n[i]=this.hasOwnProperty(i)?this[i]:r[o].init(t,n)}return n},de.prototype.toJSON=function(t){var e={doc:this.doc.toJSON(),selection:this.selection.toJSON()};if(this.storedMarks&&(e.storedMarks=this.storedMarks.map((function(t){return t.toJSON()}))),t&&"object"==Kt(t))for(var r in t){if("doc"==r||"selection"==r)throw new RangeError("The JSON fields `doc` and `selection` are reserved");var n=t[r],o=n.spec.state;o&&o.toJSON&&(e[r]=o.toJSON.call(n,this[n.key]))}return e},de.fromJSON=function(t,e,r){if(!e)throw new RangeError("Invalid input for EditorState.fromJSON");if(!t.schema)throw new RangeError("Required config field 'schema' missing");var n=new fe(t.schema,t.plugins),o=new de(n);return n.fields.forEach((function(n){if("doc"==n.name)o.doc=T.fromJSON(t.schema,e.doc);else if("selection"==n.name)o.selection=Qt.fromJSON(o.doc,e.selection);else 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n=this.parent;!n.node;)n=n.parent;n.dirty<this.dirty&&(n.dirty=this.dirty),this.dirty=0}},e.prototype.slice=function(t,r,n){var o=e.create(this.parent,this.mark,!0,n),i=this.children,s=this.size;r<s&&(i=wr(i,r,s,n)),t>0&&(i=wr(i,0,t,n));for(var a=0;a<i.length;a++)i[a].parent=o;return o.children=i,o},e}(er),ar=function(t){function e(e,r,n,o,i,s,a,c,l){t.call(this,e,r.isLeaf?nr:[],i,s),this.nodeDOM=a,this.node=r,this.outerDeco=n,this.innerDeco=o,s&&this.updateChildren(c,l)}t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e;var r={size:{configurable:!0},border:{configurable:!0}};return e.create=function(t,r,n,o,i,s){var a,c,l=i.nodeViews[r.type.name],u=l&&l(r,i,(function(){return c?c.parent?c.parent.posBeforeChild(c):void 0:s}),n),p=u&&u.dom,h=u&&u.contentDOM;if(r.isText)if(p){if(3!=p.nodeType)throw new RangeError("Text must be rendered as a DOM text node")}else p=document.createTextNode(r.text);else p||(p=(a=ht.renderSpec(document,r.type.spec.toDOM(r))).dom,h=a.contentDOM);h||r.isText||"BR"==p.nodeName||(p.hasAttribute("contenteditable")||(p.contentEditable=!1),r.type.spec.draggable&&(p.draggable=!0));var f=p;return p=vr(p,n,r),u?c=new pr(t,r,n,o,p,h,f,u,i,s+1):r.isText?new lr(t,r,n,o,p,f,i):new e(t,r,n,o,p,h,f,i,s+1)},e.prototype.parseRule=function(){var t=this;if(this.node.type.spec.reparseInView)return null;var e={node:this.node.type.name,attrs:this.node.attrs};return this.node.type.spec.code&&(e.preserveWhitespace="full"),this.contentDOM&&!this.contentLost?e.contentElement=this.contentDOM:e.getContent=function(){return t.contentDOM?s.empty:t.node.content},e},e.prototype.matchesNode=function(t,e,r){return 0==this.dirty&&t.eq(this.node)&&yr(e,this.outerDeco)&&r.eq(this.innerDeco)},r.size.get=function(){return this.node.nodeSize},r.border.get=function(){return this.node.isLeaf?0:1},e.prototype.updateChildren=function(t,e){var r=this,n=this.node.inlineContent,o=e,i=n&&t.composing&&this.localCompositionNode(t,e),s=new kr(this,i&&i.node);!function(t,e,r,n){var o=e.locals(t),i=0;if(0==o.length){for(var s=0;s<t.childCount;s++){var a=t.child(s);n(a,o,e.forChild(i,a),s),i+=a.nodeSize}return}for(var c=0,l=[],u=null,p=0;;){if(c<o.length&&o[c].to==i){for(var h=o[c++],f=void 0;c<o.length&&o[c].to==i;)(f||(f=[h])).push(o[c++]);if(f){f.sort(_r);for(var d=0;d<f.length;d++)r(f[d],p,!!u)}else r(h,p,!!u)}var m=void 0,g=void 0;if(u)g=-1,m=u,u=null;else{if(!(p<t.childCount))break;g=p,m=t.child(p++)}for(var v=0;v<l.length;v++)l[v].to<=i&&l.splice(v--,1);for(;c<o.length&&o[c].from==i;)l.push(o[c++]);var y=i+m.nodeSize;if(m.isText){var b=y;c<o.length&&o[c].from<b&&(b=o[c].from);for(var k=0;k<l.length;k++)l[k].to<b&&(b=l[k].to);b<y&&(u=m.cut(b-i),m=m.cut(0,b-i),y=b,g=-1)}n(m,l.length?l.slice():nr,e.forChild(i,m),g),i=y}}(this.node,this.innerDeco,(function(e,i,a){e.spec.marks?s.syncToMarks(e.spec.marks,n,t):e.type.side>=0&&!a&&s.syncToMarks(i==r.node.childCount?p.none:r.node.child(i).marks,n,t),s.placeWidget(e,t,o)}),(function(e,r,i,a){s.syncToMarks(e.marks,n,t),s.findNodeMatch(e,r,i,a)||s.updateNextNode(e,r,i,t,a)||s.addNode(e,r,i,t,o),o+=e.nodeSize})),s.syncToMarks(nr,n,t),this.node.isTextblock&&s.addTextblockHacks(),s.destroyRest(),(s.changed||2==this.dirty)&&(i&&this.protectLocalComposition(t,i),this.renderChildren())},e.prototype.renderChildren=function(){!function t(e,r){for(var n=e.firstChild,o=0;o<r.length;o++){var i=r[o],s=i.dom;if(s.parentNode==e){for(;s!=n;)n=br(n);n=n.nextSibling}else e.insertBefore(s,n);if(i instanceof sr){var a=n?n.previousSibling:e.lastChild;t(i.contentDOM,i.children),n=a?a.nextSibling:e.firstChild}}for(;n;)n=br(n)}(this.contentDOM,this.children),_e.ios&&function(t){if("UL"==t.nodeName||"OL"==t.nodeName){var e=t.style.cssText;t.style.cssText=e+"; list-style: square !important",window.getComputedStyle(t).listStyle,t.style.cssText=e}}(this.dom)},e.prototype.localCompositionNode=function(t,e){var r=t.state.selection,n=r.from,o=r.to;if(!(!(t.state.selection instanceof ee)||n<e||o>e+this.node.content.size)){var i=t.root.getSelection(),s=function(t,e){for(;;){if(3==t.nodeType)return t;if(1==t.nodeType&&e>0){if(t.childNodes.length>e&&3==t.childNodes[e].nodeType)return t.childNodes[e];t=t.childNodes[e-1],e=ze(t)}else{if(!(1==t.nodeType&&e<t.childNodes.length))return null;t=t.childNodes[e],e=0}}}(i.focusNode,i.focusOffset);if(s&&this.dom.contains(s.parentNode)){var a=s.nodeValue,c=function(t,e,r,n){for(var o=0,i=0;o<t.childCount&&i<=n;){var s=t.child(o++),a=i;if(i+=s.nodeSize,s.isText){for(var c=s.text;o<t.childCount;){var l=t.child(o++);if(i+=l.nodeSize,!l.isText)break;c+=l.text}if(i>=r){var u=c.lastIndexOf(e,n-a);if(u>=0&&u+e.length+a>=r)return a+u}}}return-1}(this.node.content,a,n-e,o-e);return c<0?null:{node:s,pos:c,text:a}}}},e.prototype.protectLocalComposition=function(t,e){var r=e.node,n=e.pos,o=e.text;if(!this.getDesc(r)){for(var i=r;i.parentNode!=this.contentDOM;i=i.parentNode){for(;i.previousSibling;)i.parentNode.removeChild(i.previousSibling);for(;i.nextSibling;)i.parentNode.removeChild(i.nextSibling);i.pmViewDesc&&(i.pmViewDesc=null)}var s=new ir(this,i,r,o);t.compositionNodes.push(s),this.children=wr(this.children,n,n+o.length,t,s)}},e.prototype.update=function(t,e,r,n){return!(3==this.dirty||!t.sameMarkup(this.node))&&(this.updateInner(t,e,r,n),!0)},e.prototype.updateInner=function(t,e,r,n){this.updateOuterDeco(e),this.node=t,this.innerDeco=r,this.contentDOM&&this.updateChildren(n,this.posAtStart),this.dirty=0},e.prototype.updateOuterDeco=function(t){if(!yr(t,this.outerDeco)){var e=1!=this.nodeDOM.nodeType,r=this.dom;this.dom=mr(this.dom,this.nodeDOM,dr(this.outerDeco,this.node,e),dr(t,this.node,e)),this.dom!=r&&(r.pmViewDesc=null,this.dom.pmViewDesc=this),this.outerDeco=t}},e.prototype.selectNode=function(){this.nodeDOM.classList.add("ProseMirror-selectednode"),!this.contentDOM&&this.node.type.spec.draggable||(this.dom.draggable=!0)},e.prototype.deselectNode=function(){this.nodeDOM.classList.remove("ProseMirror-selectednode"),!this.contentDOM&&this.node.type.spec.draggable||(this.dom.draggable=!1)},Object.defineProperties(e.prototype,r),e}(er);function cr(t,e,r,n,o){return vr(n,e,t),new ar(null,t,e,r,n,n,n,o,0)}var lr=function(t){function e(e,r,n,o,i,s,a){t.call(this,e,r,n,o,i,null,s,a)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.parseRule=function(){return{skip:this.nodeDOM.parentNode||!0}},e.prototype.update=function(t,e){return!(3==this.dirty||0!=this.dirty&&!this.inParent()||!t.sameMarkup(this.node))&&(this.updateOuterDeco(e),0==this.dirty&&t.text==this.node.text||t.text==this.nodeDOM.nodeValue||(this.nodeDOM.nodeValue=t.text),this.node=t,this.dirty=0,!0)},e.prototype.inParent=function(){for(var t=this.parent.contentDOM,e=this.nodeDOM;e;e=e.parentNode)if(e==t)return!0;return!1},e.prototype.domFromPos=function(t){return{node:this.nodeDOM,offset:t}},e.prototype.localPosFromDOM=function(e,r,n){return e==this.nodeDOM?this.posAtStart+Math.min(r,this.node.text.length):t.prototype.localPosFromDOM.call(this,e,r,n)},e.prototype.ignoreMutation=function(t){return"characterData"!=t.type&&"selection"!=t.type},e.prototype.slice=function(t,r,n){var o=this.node.cut(t,r),i=document.createTextNode(o.text);return new e(this.parent,o,this.outerDeco,this.innerDeco,i,i,n)},e}(ar),ur=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.parseRule=function(){return{ignore:!0}},e.prototype.matchesHack=function(){return 0==this.dirty},e}(er),pr=function(t){function e(e,r,n,o,i,s,a,c,l,u){t.call(this,e,r,n,o,i,s,a,l,u),this.spec=c}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.update=function(e,r,n,o){if(3==this.dirty)return!1;if(this.spec.update){var i=this.spec.update(e,r);return i&&this.updateInner(e,r,n,o),i}return!(!this.contentDOM&&!e.isLeaf)&&t.prototype.update.call(this,e,r,n,o)},e.prototype.selectNode=function(){this.spec.selectNode?this.spec.selectNode():t.prototype.selectNode.call(this)},e.prototype.deselectNode=function(){this.spec.deselectNode?this.spec.deselectNode():t.prototype.deselectNode.call(this)},e.prototype.setSelection=function(e,r,n,o){this.spec.setSelection?this.spec.setSelection(e,r,n):t.prototype.setSelection.call(this,e,r,n,o)},e.prototype.destroy=function(){this.spec.destroy&&this.spec.destroy(),t.prototype.destroy.call(this)},e.prototype.stopEvent=function(t){return!!this.spec.stopEvent&&this.spec.stopEvent(t)},e.prototype.ignoreMutation=function(e){return this.spec.ignoreMutation?this.spec.ignoreMutation(e):t.prototype.ignoreMutation.call(this,e)},e}(ar);function hr(t){t&&(this.nodeName=t)}hr.prototype=Object.create(null);var fr=[new hr];function dr(t,e,r){if(0==t.length)return fr;for(var n=r?fr[0]:new hr,o=[n],i=0;i<t.length;i++){var s=t[i].type.attrs,a=n;if(s)for(var c in s.nodeName&&o.push(a=new hr(s.nodeName)),s){var l=s[c];null!=l&&(r&&1==o.length&&o.push(a=n=new hr(e.isInline?"span":"div")),"class"==c?a.class=(a.class?a.class+" ":"")+l:"style"==c?a.style=(a.style?a.style+";":"")+l:"nodeName"!=c&&(a[c]=l))}}return o}function mr(t,e,r,n){if(r==fr&&n==fr)return e;for(var o=e,i=0;i<n.length;i++){var s=n[i],a=r[i];if(i){var c=void 0;a&&a.nodeName==s.nodeName&&o!=t&&(c=o.parentNode)&&c.tagName.toLowerCase()==s.nodeName||((c=document.createElement(s.nodeName)).appendChild(o),a=fr[0]),o=c}gr(o,a||fr[0],s)}return o}function gr(t,e,r){for(var n in e)"class"==n||"style"==n||"nodeName"==n||n in r||t.removeAttribute(n);for(var o in r)"class"!=o&&"style"!=o&&"nodeName"!=o&&r[o]!=e[o]&&t.setAttribute(o,r[o]);if(e.class!=r.class){for(var i=e.class?e.class.split(" "):nr,s=r.class?r.class.split(" "):nr,a=0;a<i.length;a++)-1==s.indexOf(i[a])&&t.classList.remove(i[a]);for(var c=0;c<s.length;c++)-1==i.indexOf(s[c])&&t.classList.add(s[c])}if(e.style!=r.style){if(e.style)for(var l,u=/\s*([\w\-\xa1-\uffff]+)\s*:(?:"(?:\\.|[^"])*"|'(?:\\.|[^'])*'|\(.*?\)|[^;])*/g;l=u.exec(e.style);)t.style.removeProperty(l[1]);r.style&&(t.style.cssText+=r.style)}}function vr(t,e,r){return mr(t,t,fr,dr(e,r,1!=t.nodeType))}function yr(t,e){if(t.length!=e.length)return!1;for(var r=0;r<t.length;r++)if(!t[r].type.eq(e[r].type))return!1;return!0}function br(t){var e=t.nextSibling;return t.parentNode.removeChild(t),e}var kr=function(t,e){this.top=t,this.lock=e,this.index=0,this.stack=[],this.changed=!1;var r=function(t,e){for(var r=[],n=t.childCount,o=e.length-1;n>0&&o>=0;o--){var i=e[o],s=i.node;if(s){if(s!=t.child(n-1))break;r.push(i),--n}}return{nodes:r.reverse(),offset:n}}(t.node.content,t.children);this.preMatched=r.nodes,this.preMatchOffset=r.offset};function _r(t,e){return t.type.side-e.type.side}function wr(t,e,r,n,o){for(var i=[],s=0,a=0;s<t.length;s++){var c=t[s],l=a,u=a+=c.size;l>=r||u<=e?i.push(c):(l<e&&i.push(c.slice(0,e-l,n)),o&&(i.push(o),o=null),u>r&&i.push(c.slice(r-l,c.size,n)))}return i}function xr(t,e){var r=t.selection,n=r.$anchor,o=r.$head,i=e>0?n.max(o):n.min(o),s=i.parent.inlineContent?i.depth?t.doc.resolve(e>0?i.after():i.before()):null:i;return s&&Qt.findFrom(s,e)}function Cr(t,e){return t.dispatch(t.state.tr.setSelection(e).scrollIntoView()),!0}function Sr(t,e,r){var n=t.state.selection;if(n instanceof ee){if(!n.empty||r.indexOf("s")>-1)return!1;if(t.endOfTextblock(e>0?"right":"left")){var o=xr(t.state,e);return!!(o&&o instanceof ne)&&Cr(t,o)}var i,s=n.$head,a=s.textOffset?null:e<0?s.nodeBefore:s.nodeAfter;if(!a||a.isText)return!1;var c=e<0?s.pos-a.nodeSize:s.pos;return!!(a.isAtom||(i=t.docView.descAt(c))&&!i.contentDOM)&&(ne.isSelectable(a)?Cr(t,new ne(e<0?t.state.doc.resolve(s.pos-a.nodeSize):s)):!!_e.webkit&&Cr(t,new ee(t.state.doc.resolve(e<0?c:c+a.nodeSize))))}if(n instanceof ne&&n.node.isInline)return Cr(t,new ee(e>0?n.$to:n.$from));var l=xr(t.state,e);return!!l&&Cr(t,l)}function Ar(t){return 3==t.nodeType?t.nodeValue.length:t.childNodes.length}function Er(t){var e=t.pmViewDesc;return e&&0==e.size&&(t.nextSibling||"BR"!=t.nodeName)}function Mr(t){var e=t.root.getSelection(),r=e.focusNode,n=e.focusOffset;if(r){var o,i,s=!1;for(_e.gecko&&1==r.nodeType&&n<Ar(r)&&Er(r.childNodes[n])&&(s=!0);;)if(n>0){if(1!=r.nodeType)break;var a=r.childNodes[n-1];if(Er(a))o=r,i=--n;else{if(3!=a.nodeType)break;n=(r=a).nodeValue.length}}else{if(Tr(r))break;for(var c=r.previousSibling;c&&Er(c);)o=r.parentNode,i=Ee(c),c=c.previousSibling;if(c)n=Ar(r=c);else{if((r=r.parentNode)==t.dom)break;n=0}}s?Or(t,e,r,n):o&&Or(t,e,o,i)}}function Dr(t){var e=t.root.getSelection(),r=e.focusNode,n=e.focusOffset;if(r){for(var o,i,s=Ar(r);;)if(n<s){if(1!=r.nodeType)break;if(!Er(r.childNodes[n]))break;o=r,i=++n}else{if(Tr(r))break;for(var a=r.nextSibling;a&&Er(a);)o=a.parentNode,i=Ee(a)+1,a=a.nextSibling;if(a)n=0,s=Ar(r=a);else{if((r=r.parentNode)==t.dom)break;n=s=0}}o&&Or(t,e,o,i)}}function Tr(t){var e=t.pmViewDesc;return e&&e.node&&e.node.isBlock}function Or(t,e,r,n){if(Ie(e)){var o=document.createRange();o.setEnd(r,n),o.setStart(r,n),e.removeAllRanges(),e.addRange(o)}else e.extend&&e.extend(r,n);t.domObserver.setCurSelection()}function qr(t,e,r){var n=t.state.selection;if(n instanceof ee&&!n.empty||r.indexOf("s")>-1)return!1;var o=n.$from,i=n.$to;if(!o.parent.inlineContent||t.endOfTextblock(e<0?"up":"down")){var s=xr(t.state,e);if(s&&s instanceof ne)return Cr(t,s)}if(!o.parent.inlineContent){var a=Qt.findFrom(e<0?o:i,e);return!a||Cr(t,a)}return!1}function zr(t,e){if(!(t.state.selection instanceof ee))return!0;var r=t.state.selection,n=r.$head,o=r.$anchor,i=r.empty;if(!n.sameParent(o))return!0;if(!i)return!1;if(t.endOfTextblock(e>0?"forward":"backward"))return!0;var s=!n.textOffset&&(e<0?n.nodeBefore:n.nodeAfter);if(s&&!s.isText){var a=t.state.tr;return e<0?a.delete(n.pos-s.nodeSize,n.pos):a.delete(n.pos,n.pos+s.nodeSize),t.dispatch(a),!0}return!1}function Nr(t,e,r){t.domObserver.stop(),e.contentEditable=r,t.domObserver.start()}function Ir(t,e){var r=e.keyCode,n=function(t){var e="";return t.ctrlKey&&(e+="c"),t.metaKey&&(e+="m"),t.altKey&&(e+="a"),t.shiftKey&&(e+="s"),e}(e);return 8==r||_e.mac&&72==r&&"c"==n?zr(t,-1)||Mr(t):46==r||_e.mac&&68==r&&"c"==n?zr(t,1)||Dr(t):13==r&&!_e.ios||27==r||(37==r?Sr(t,-1,n)||Mr(t):39==r?Sr(t,1,n)||Dr(t):38==r?qr(t,-1,n)||Mr(t):40==r?function(t){if(_e.chrome&&!(t.state.selection.$head.parentOffset>0)){var e=t.root.getSelection(),r=e.focusNode,n=e.focusOffset;if(r&&1==r.nodeType&&0==n&&r.firstChild&&"false"==r.firstChild.contentEditable){var o=r.firstChild;Nr(t,o,!0),setTimeout((function(){return Nr(t,o,!1)}),20)}}}(t)||qr(t,1,n)||Dr(t):n==(_e.mac?"m":"c")&&(66==r||73==r||89==r||90==r))}function Lr(t,e){var r,n,o=t.root.getSelection(),i=t.state.doc,s=t.docView.nearestDesc(o.focusNode),a=s&&0==s.size,c=t.docView.posFromDOM(o.focusNode,o.focusOffset),l=i.resolve(c);if(Ie(o)){for(r=l;s&&!s.node;)s=s.parent;if(s&&s.node.isAtom&&ne.isSelectable(s.node)&&s.parent&&(!s.node.isInline||!function(t,e,r){for(var n=0==e,o=e==ze(t);n||o;){if(t==r)return!0;var i=Ee(t);if(!(t=t.parentNode))return!1;n=n&&0==i,o=o&&i==ze(t)}}(o.focusNode,o.focusOffset,s.dom))){var u=s.posBefore;n=new ne(c==u?l:i.resolve(u))}}else r=i.resolve(t.docView.posFromDOM(o.anchorNode,o.anchorOffset));n||(n=Ur(t,r,l,"pointer"==e||t.state.selection.head<l.pos&&!a?1:-1));return n}function Rr(t,e){var r=t.state.selection;if($r(t,r),t.editable?t.hasFocus():Hr(t)&&document.activeElement.contains(t.dom)){if(t.domObserver.disconnectSelection(),t.cursorWrapper)!function(t){var e=t.root.getSelection(),r=document.createRange(),n=t.cursorWrapper.dom,o="IMG"==n.nodeName;o?r.setEnd(n.parentNode,Ee(n)+1):r.setEnd(n,0);r.collapse(!1),e.removeAllRanges(),e.addRange(r),!o&&!t.state.selection.visible&&_e.ie&&_e.ie_version<=11&&(n.disabled=!0,n.disabled=!1)}(t);else{var n,o,i=r.anchor,s=r.head;!Fr||r instanceof ee||(r.$from.parent.inlineContent||(n=Pr(t,r.from)),r.empty||r.$from.parent.inlineContent||(o=Pr(t,r.to))),t.docView.setSelection(i,s,t.root,e),Fr&&(n&&Vr(n),o&&Vr(o)),r.visible?t.dom.classList.remove("ProseMirror-hideselection"):i!=s&&(t.dom.classList.add("ProseMirror-hideselection"),"onselectionchange"in document&&function(t){var e=t.dom.ownerDocument;e.removeEventListener("selectionchange",t.hideSelectionGuard);var r=t.root.getSelection(),n=r.anchorNode,o=r.anchorOffset;e.addEventListener("selectionchange",t.hideSelectionGuard=function(){r.anchorNode==n&&r.anchorOffset==o||(e.removeEventListener("selectionchange",t.hideSelectionGuard),t.dom.classList.remove("ProseMirror-hideselection"))})}(t))}t.domObserver.setCurSelection(),t.domObserver.connectSelection()}}kr.prototype.getPreMatch=function(t){return t>=this.preMatchOffset?this.preMatched[t-this.preMatchOffset]:null},kr.prototype.destroyBetween=function(t,e){if(t!=e){for(var r=t;r<e;r++)this.top.children[r].destroy();this.top.children.splice(t,e-t),this.changed=!0}},kr.prototype.destroyRest=function(){this.destroyBetween(this.index,this.top.children.length)},kr.prototype.syncToMarks=function(t,e,r){for(var n=0,o=this.stack.length>>1,i=Math.min(o,t.length);n<i&&(n==o-1?this.top:this.stack[n+1<<1]).matchesMark(t[n])&&!1!==t[n].type.spec.spanning;)n++;for(;n<o;)this.destroyRest(),this.top.dirty=0,this.index=this.stack.pop(),this.top=this.stack.pop(),o--;for(;o<t.length;){this.stack.push(this.top,this.index+1);for(var s=-1,a=this.index;a<Math.min(this.index+3,this.top.children.length);a++)if(this.top.children[a].matchesMark(t[o])){s=a;break}if(s>-1)s>this.index&&(this.changed=!0,this.destroyBetween(this.index,s)),this.top=this.top.children[this.index];else{var c=sr.create(this.top,t[o],e,r);this.top.children.splice(this.index,0,c),this.top=c,this.changed=!0}this.index=0,o++}},kr.prototype.findNodeMatch=function(t,e,r,n){var o=-1,i=n<0?void 0:this.getPreMatch(n),s=this.top.children;if(i&&i.matchesNode(t,e,r))o=s.indexOf(i);else for(var a=this.index,c=Math.min(s.length,a+5);a<c;a++){var l=s[a];if(l.matchesNode(t,e,r)&&this.preMatched.indexOf(l)<0){o=a;break}}return!(o<0)&&(this.destroyBetween(this.index,o),this.index++,!0)},kr.prototype.updateNextNode=function(t,e,r,n,o){if(this.index==this.top.children.length)return!1;var i=this.top.children[this.index];if(i instanceof ar){var s=this.preMatched.indexOf(i);if(s>-1&&s+this.preMatchOffset!=o)return!1;var a=i.dom;if(!(this.lock&&(a==this.lock||1==a.nodeType&&a.contains(this.lock.parentNode))&&!(t.isText&&i.node&&i.node.isText&&i.nodeDOM.nodeValue==t.text&&3!=i.dirty&&yr(e,i.outerDeco)))&&i.update(t,e,r,n))return i.dom!=a&&(this.changed=!0),this.index++,!0}return!1},kr.prototype.addNode=function(t,e,r,n,o){this.top.children.splice(this.index++,0,ar.create(this.top,t,e,r,n,o)),this.changed=!0},kr.prototype.placeWidget=function(t,e,r){if(this.index<this.top.children.length&&this.top.children[this.index].matchesWidget(t))this.index++;else{var n=new or(this.top,t,e,r);this.top.children.splice(this.index++,0,n),this.changed=!0}},kr.prototype.addTextblockHacks=function(){for(var t=this.top.children[this.index-1];t instanceof sr;)t=t.children[t.children.length-1];if(!t||!(t instanceof lr)||/\n$/.test(t.node.text))if(this.index<this.top.children.length&&this.top.children[this.index].matchesHack())this.index++;else{var e=document.createElement("br");this.top.children.splice(this.index++,0,new ur(this.top,nr,e,null)),this.changed=!0}};var Fr=_e.safari||_e.chrome&&_e.chrome_version<63;function Pr(t,e){var r=t.docView.domFromPos(e),n=r.node,o=r.offset,i=o<n.childNodes.length?n.childNodes[o]:null,s=o?n.childNodes[o-1]:null;if(_e.safari&&i&&"false"==i.contentEditable)return Br(i);if(!(i&&"false"!=i.contentEditable||s&&"false"!=s.contentEditable)){if(i)return Br(i);if(s)return Br(s)}}function Br(t){return t.contentEditable="true",_e.safari&&t.draggable&&(t.draggable=!1,t.wasDraggable=!0),t}function Vr(t){t.contentEditable="false",t.wasDraggable&&(t.draggable=!0,t.wasDraggable=null)}function $r(t,e){if(e instanceof ne){var r=t.docView.descAt(e.from);r!=t.lastSelectedViewDesc&&(jr(t),r&&r.selectNode(),t.lastSelectedViewDesc=r)}else jr(t)}function jr(t){t.lastSelectedViewDesc&&(t.lastSelectedViewDesc.parent&&t.lastSelectedViewDesc.deselectNode(),t.lastSelectedViewDesc=null)}function Ur(t,e,r,n){return t.someProp("createSelectionBetween",(function(n){return n(t,e,r)}))||ee.between(e,r,n)}function Hr(t){var e=t.root.getSelection();if(!e.anchorNode)return!1;try{return t.dom.contains(3==e.anchorNode.nodeType?e.anchorNode.parentNode:e.anchorNode)&&(t.editable||t.dom.contains(3==e.focusNode.nodeType?e.focusNode.parentNode:e.focusNode))}catch(t){return!1}}function Gr(t){var e=t.pmViewDesc;if(e)return e.parseRule();if("BR"==t.nodeName&&t.parentNode){if(_e.safari&&/^(ul|ol)$/i.test(t.parentNode.nodeName)){var r=document.createElement("div");return r.appendChild(document.createElement("li")),{skip:r}}if(t.parentNode.lastChild==t||_e.safari&&/^(tr|table)$/i.test(t.parentNode.nodeName))return{ignore:!0}}else if("IMG"==t.nodeName&&t.getAttribute("mark-placeholder"))return{ignore:!0}}function Jr(t,e,r,n,o){if(e<0){var i=t.lastSelectionTime>Date.now()-50?t.lastSelectionOrigin:null,a=Lr(t,i);if(!t.state.selection.eq(a)){var c=t.state.tr.setSelection(a);"pointer"==i?c.setMeta("pointer",!0):"key"==i&&c.scrollIntoView(),t.dispatch(c)}}else{var l=t.state.doc.resolve(e),u=l.sharedDepth(r);e=l.before(u+1),r=t.state.doc.resolve(r).after(u+1);var p,h,f=t.state.selection,d=function(t,e,r){var n=t.docView.parseRange(e,r),o=n.node,i=n.fromOffset,s=n.toOffset,a=n.from,c=n.to,l=t.root.getSelection(),u=null,p=l.anchorNode;if(p&&t.dom.contains(1==p.nodeType?p:p.parentNode)&&(u=[{node:p,offset:l.anchorOffset}],Ie(l)||u.push({node:l.focusNode,offset:l.focusOffset})),_e.chrome&&8===t.lastKeyCode)for(var h=s;h>i;h--){var f=o.childNodes[h-1],d=f.pmViewDesc;if("BR"==f.nodeType&&!d){s=h;break}if(!d||d.size)break}var m=t.state.doc,g=t.someProp("domParser")||et.fromSchema(t.state.schema),v=m.resolve(a),y=null,b=g.parse(o,{topNode:v.parent,topMatch:v.parent.contentMatchAt(v.index()),topOpen:!0,from:i,to:s,preserveWhitespace:!v.parent.type.spec.code||"full",editableContent:!0,findPositions:u,ruleFromNode:Gr,context:v});if(u&&null!=u[0].pos){var k=u[0].pos,_=u[1]&&u[1].pos;null==_&&(_=k),y={anchor:k+a,head:_+a}}return{doc:b,sel:y,from:a,to:c}}(t,e,r),m=t.state.doc,g=m.slice(d.from,d.to);8===t.lastKeyCode&&Date.now()-100<t.lastKeyCodeTime?(p=t.state.selection.to,h="end"):(p=t.state.selection.from,h="start"),t.lastKeyCode=null;var v=function(t,e,r,n,o){var i=t.findDiffStart(e,r);if(null==i)return null;var s=t.findDiffEnd(e,r+t.size,r+e.size),a=s.a,c=s.b;if("end"==o){var l=Math.max(0,i-Math.min(a,c));n-=a+l-i}if(a<i&&t.size<e.size){c=(i-=n<=i&&n>=a?i-n:0)+(c-a),a=i}else if(c<i){a=(i-=n<=i&&n>=c?i-n:0)+(a-c),c=i}return{start:i,endA:a,endB:c}}(g.content,d.doc.content,d.from,p,h);if(!v){if(!(n&&f instanceof ee&&!f.empty&&f.$head.sameParent(f.$anchor))||t.composing||d.sel&&d.sel.anchor!=d.sel.head){if(d.sel){var y=Zr(t,t.state.doc,d.sel);y&&!y.eq(t.state.selection)&&t.dispatch(t.state.tr.setSelection(y))}return}v={start:f.from,endA:f.to,endB:f.to}}t.domChangeCount++,t.state.selection.from<t.state.selection.to&&v.start==v.endB&&t.state.selection instanceof ee&&(v.start>t.state.selection.from&&v.start<=t.state.selection.from+2?v.start=t.state.selection.from:v.endA<t.state.selection.to&&v.endA>=t.state.selection.to-2&&(v.endB+=t.state.selection.to-v.endA,v.endA=t.state.selection.to)),_e.ie&&_e.ie_version<=11&&v.endB==v.start+1&&v.endA==v.start&&v.start>d.from&&"  "==d.doc.textBetween(v.start-d.from-1,v.start-d.from+1)&&(v.start--,v.endA--,v.endB--);var b,k=d.doc.resolveNoCache(v.start-d.from),_=d.doc.resolveNoCache(v.endB-d.from);if((_e.ios&&t.lastIOSEnter>Date.now()-100&&(!k.sameParent(_)||o.some((function(t){return"DIV"==t.nodeName})))||!k.sameParent(_)&&k.pos<d.doc.content.size&&(b=Qt.findFrom(d.doc.resolve(k.pos+1),1,!0))&&b.head==_.pos)&&t.someProp("handleKeyDown",(function(e){return e(t,Le(13,"Enter"))})))t.lastIOSEnter=0;else if(t.state.selection.anchor>v.start&&function(t,e,r,n,o){if(!n.parent.isTextblock||r-e<=o.pos-n.pos||Wr(n,!0,!1)<o.pos)return!1;var i=t.resolve(e);if(i.parentOffset<i.parent.content.size||!i.parent.isTextblock)return!1;var s=t.resolve(Wr(i,!0,!0));if(!s.parent.isTextblock||s.pos>r||Wr(s,!0,!1)<r)return!1;return n.parent.content.cut(n.parentOffset).eq(s.parent.content)}(m,v.start,v.endA,k,_)&&t.someProp("handleKeyDown",(function(e){return e(t,Le(8,"Backspace"))})))_e.android&&_e.chrome&&t.domObserver.suppressSelectionUpdates();else{var w,x,C,S,A=v.start,E=v.endA;if(k.sameParent(_)&&k.parent.inlineContent)if(k.pos==_.pos)_e.ie&&_e.ie_version<=11&&0==k.parentOffset&&(t.domObserver.suppressSelectionUpdates(),setTimeout((function(){return Rr(t)}),20)),w=t.state.tr.delete(A,E),x=m.resolve(v.start).marksAcross(m.resolve(v.endA));else if(v.endA==v.endB&&(S=m.resolve(v.start))&&(C=function(t,e){for(var r,n,o,i=t.firstChild.marks,a=e.firstChild.marks,c=i,l=a,u=0;u<a.length;u++)c=a[u].removeFromSet(c);for(var p=0;p<i.length;p++)l=i[p].removeFromSet(l);if(1==c.length&&0==l.length)n=c[0],r="add",o=function(t){return t.mark(n.addToSet(t.marks))};else{if(0!=c.length||1!=l.length)return null;n=l[0],r="remove",o=function(t){return t.mark(n.removeFromSet(t.marks))}}for(var h=[],f=0;f<e.childCount;f++)h.push(o(e.child(f)));if(s.from(h).eq(t))return{mark:n,type:r}}(k.parent.content.cut(k.parentOffset,_.parentOffset),S.parent.content.cut(S.parentOffset,v.endA-S.start()))))w=t.state.tr,"add"==C.type?w.addMark(A,E,C.mark):w.removeMark(A,E,C.mark);else if(k.parent.child(k.index()).isText&&k.index()==_.index()-(_.textOffset?0:1)){var M=k.parent.textBetween(k.parentOffset,_.parentOffset);if(t.someProp("handleTextInput",(function(e){return e(t,A,E,M)})))return;w=t.state.tr.insertText(M,A,E)}if(w||(w=t.state.tr.replace(A,E,d.doc.slice(v.start-d.from,v.endB-d.from))),d.sel){var D=Zr(t,w.doc,d.sel);D&&!(_e.chrome&&_e.android&&t.composing&&D.empty&&D.head==A||_e.ie&&D.empty&&D.head==A)&&w.setSelection(D)}x&&w.ensureMarks(x),t.dispatch(w.scrollIntoView())}}}function Zr(t,e,r){return Math.max(r.anchor,r.head)>e.content.size?null:Ur(t,e.resolve(r.anchor),e.resolve(r.head))}function Wr(t,e,r){for(var n=t.depth,o=e?t.end():t.pos;n>0&&(e||t.indexAfter(n)==t.node(n).childCount);)n--,o++,e=!1;if(r)for(var i=t.node(n).maybeChild(t.indexAfter(n));i&&!i.isLeaf;)i=i.firstChild,o++;return o}function Kr(t,e){for(var r=[],n=e.content,o=e.openStart,i=e.openEnd;o>1&&i>1&&1==n.childCount&&1==n.firstChild.childCount;){o--,i--;var s=n.firstChild;r.push(s.type.name,s.type.hasRequiredAttrs()?s.attrs:null),n=s.content}var a=t.someProp("clipboardSerializer")||ht.fromSchema(t.state.schema),c=rn(),l=c.createElement("div");l.appendChild(a.serializeFragment(n,{document:c}));for(var u,p=l.firstChild;p&&1==p.nodeType&&(u=tn[p.nodeName.toLowerCase()]);){for(var h=u.length-1;h>=0;h--){for(var f=c.createElement(u[h]);l.firstChild;)f.appendChild(l.firstChild);l.appendChild(f)}p=l.firstChild}return p&&1==p.nodeType&&p.setAttribute("data-pm-slice",o+" "+i+" "+JSON.stringify(r)),{dom:l,text:t.someProp("clipboardTextSerializer",(function(t){return t(e)}))||e.content.textBetween(0,e.content.size,"\n\n")}}function Yr(t,e,r,n,o){var i,a,c=o.parent.type.spec.code;if(!r&&!e)return null;var l=e&&(n||c||!r);if(l){if(t.someProp("transformPastedText",(function(t){e=t(e)})),c)return new f(s.from(t.state.schema.text(e)),0,0);var u=t.someProp("clipboardTextParser",(function(t){return t(e,o)}));u?a=u:(i=document.createElement("div"),e.trim().split(/(?:\r\n?|\n)+/).forEach((function(t){i.appendChild(document.createElement("p")).textContent=t})))}else t.someProp("transformPastedHTML",(function(t){r=t(r)})),i=function(t){var e=/(\s*<meta [^>]*>)*/.exec(t);e&&(t=t.slice(e[0].length));var r,n=rn().createElement("div"),o=/(?:<meta [^>]*>)*<([a-z][^>\s]+)/i.exec(t),i=0;(r=o&&tn[o[1].toLowerCase()])&&(t=r.map((function(t){return"<"+t+">"})).join("")+t+r.map((function(t){return"</"+t+">"})).reverse().join(""),i=r.length);n.innerHTML=t;for(var s=0;s<i;s++)n=n.firstChild;return n}(r);var p=i&&i.querySelector("[data-pm-slice]"),h=p&&/^(\d+) (\d+) (.*)/.exec(p.getAttribute("data-pm-slice"));if(!a){var d=t.someProp("clipboardParser")||t.someProp("domParser")||et.fromSchema(t.state.schema);a=d.parseSlice(i,{preserveWhitespace:!(!l&&!h),context:o})}return a=h?function(t,e){if(!t.size)return t;var r,n=t.content.firstChild.type.schema;try{r=JSON.parse(e)}catch(e){return t}for(var o=t.content,i=t.openStart,a=t.openEnd,c=r.length-2;c>=0;c-=2){var l=n.nodes[r[c]];if(!l||l.hasRequiredAttrs())break;o=s.from(l.create(r[c+1],o)),i++,a++}return new f(o,i,a)}(function(t,e,r){e<t.openStart&&(t=new f(Xr(t.content,-1,e,t.openStart,0,t.openEnd),e,t.openEnd));r<t.openEnd&&(t=new f(Xr(t.content,1,r,t.openEnd,0,0),t.openStart,r));return t}(a,+h[1],+h[2]),h[3]):f.maxOpen(function(t,e){if(t.childCount<2)return t;for(var r=function(r){var n=e.node(r).contentMatchAt(e.index(r)),o=void 0,i=[];if(t.forEach((function(t){if(i){var e,r=n.findWrapping(t.type);if(!r)return i=null;if(e=i.length&&o.length&&function t(e,r,n,o,i){if(i<e.length&&i<r.length&&e[i]==r[i]){var a=t(e,r,n,o.lastChild,i+1);if(a)return o.copy(o.content.replaceChild(o.childCount-1,a));if(o.contentMatchAt(o.childCount).matchType(i==e.length-1?n.type:e[i+1]))return o.copy(o.content.append(s.from(Qr(n,e,i+1))))}}(r,o,t,i[i.length-1],0))i[i.length-1]=e;else{i.length&&(i[i.length-1]=function t(e,r){if(0==r)return e;var n=e.content.replaceChild(e.childCount-1,t(e.lastChild,r-1)),o=e.contentMatchAt(e.childCount).fillBefore(s.empty,!0);return e.copy(n.append(o))}(i[i.length-1],o.length));var a=Qr(t,r);i.push(a),n=n.matchType(a.type,a.attrs),o=r}}})),i)return{v:s.from(i)}},n=e.depth;n>=0;n--){var o=r(n);if(o)return o.v}return t}(a.content,o),!1),t.someProp("transformPasted",(function(t){a=t(a)})),a}function Qr(t,e,r){void 0===r&&(r=0);for(var n=e.length-1;n>=r;n--)t=e[n].create(null,s.from(t));return t}function Xr(t,e,r,n,o,i){var a=e<0?t.firstChild:t.lastChild,c=a.content;return o<n-1&&(c=Xr(c,e,r,n,o+1,i)),o>=r&&(c=e<0?a.contentMatchAt(0).fillBefore(c,t.childCount>1||i<=o).append(c):c.append(a.contentMatchAt(a.childCount).fillBefore(s.empty,!0))),t.replaceChild(e<0?0:t.childCount-1,a.copy(c))}var tn={thead:["table"],tbody:["table"],tfoot:["table"],caption:["table"],colgroup:["table"],col:["table","colgroup"],tr:["table","tbody"],td:["table","tbody","tr"],th:["table","tbody","tr"]},en=null;function rn(){return en||(en=document.implementation.createHTMLDocument("title"))}var nn={childList:!0,characterData:!0,characterDataOldValue:!0,attributes:!0,attributeOldValue:!0,subtree:!0},on=_e.ie&&_e.ie_version<=11,sn=function(){this.anchorNode=this.anchorOffset=this.focusNode=this.focusOffset=null};sn.prototype.set=function(t){this.anchorNode=t.anchorNode,this.anchorOffset=t.anchorOffset,this.focusNode=t.focusNode,this.focusOffset=t.focusOffset},sn.prototype.eq=function(t){return t.anchorNode==this.anchorNode&&t.anchorOffset==this.anchorOffset&&t.focusNode==this.focusNode&&t.focusOffset==this.focusOffset};var an=function(t,e){var r=this;this.view=t,this.handleDOMChange=e,this.queue=[],this.flushingSoon=!1,this.observer=window.MutationObserver&&new window.MutationObserver((function(t){for(var e=0;e<t.length;e++)r.queue.push(t[e]);_e.ie&&_e.ie_version<=11&&t.some((function(t){return"childList"==t.type&&t.removedNodes.length||"characterData"==t.type&&t.oldValue.length>t.target.nodeValue.length}))?r.flushSoon():r.flush()})),this.currentSelection=new sn,on&&(this.onCharData=function(t){r.queue.push({target:t.target,type:"characterData",oldValue:t.prevValue}),r.flushSoon()}),this.onSelectionChange=this.onSelectionChange.bind(this),this.suppressingSelectionUpdates=!1};an.prototype.flushSoon=function(){var t=this;this.flushingSoon||(this.flushingSoon=!0,window.setTimeout((function(){t.flushingSoon=!1,t.flush()}),20))},an.prototype.start=function(){this.observer&&this.observer.observe(this.view.dom,nn),on&&this.view.dom.addEventListener("DOMCharacterDataModified",this.onCharData),this.connectSelection()},an.prototype.stop=function(){var t=this;if(this.observer){var e=this.observer.takeRecords();if(e.length){for(var r=0;r<e.length;r++)this.queue.push(e[r]);window.setTimeout((function(){return t.flush()}),20)}this.observer.disconnect()}on&&this.view.dom.removeEventListener("DOMCharacterDataModified",this.onCharData),this.disconnectSelection()},an.prototype.connectSelection=function(){this.view.dom.ownerDocument.addEventListener("selectionchange",this.onSelectionChange)},an.prototype.disconnectSelection=function(){this.view.dom.ownerDocument.removeEventListener("selectionchange",this.onSelectionChange)},an.prototype.suppressSelectionUpdates=function(){var t=this;this.suppressingSelectionUpdates=!0,setTimeout((function(){return t.suppressingSelectionUpdates=!1}),50)},an.prototype.onSelectionChange=function(){if((!(t=this.view).editable||t.root.activeElement==t.dom)&&Hr(t)){var t;if(this.suppressingSelectionUpdates)return Rr(this.view);if(_e.ie&&_e.ie_version<=11&&!this.view.state.selection.empty){var e=this.view.root.getSelection();if(e.focusNode&&Te(e.focusNode,e.focusOffset,e.anchorNode,e.anchorOffset))return this.flushSoon()}this.flush()}},an.prototype.setCurSelection=function(){this.currentSelection.set(this.view.root.getSelection())},an.prototype.ignoreSelectionChange=function(t){if(0==t.rangeCount)return!0;var e=t.getRangeAt(0).commonAncestorContainer,r=this.view.docView.nearestDesc(e);return r&&r.ignoreMutation({type:"selection",target:3==e.nodeType?e.parentNode:e})?(this.setCurSelection(),!0):void 0},an.prototype.flush=function(){if(this.view.docView&&!this.flushingSoon){var t=this.observer?this.observer.takeRecords():[];this.queue.length&&(t=this.queue.concat(t),this.queue.length=0);var e=this.view.root.getSelection(),r=!this.suppressingSelectionUpdates&&!this.currentSelection.eq(e)&&Hr(this.view)&&!this.ignoreSelectionChange(e),n=-1,o=-1,i=!1,s=[];if(this.view.editable)for(var a=0;a<t.length;a++){var c=this.registerMutation(t[a],s);c&&(n=n<0?c.from:Math.min(c.from,n),o=o<0?c.to:Math.max(c.to,o),c.typeOver&&!this.view.composing&&(i=!0))}if(_e.gecko&&s.length>1){var l=s.filter((function(t){return"BR"==t.nodeName}));if(2==l.length){var u=l[0],p=l[1];u.parentNode&&u.parentNode.parentNode==p.parentNode?p.remove():u.remove()}}(n>-1||r)&&(n>-1&&(this.view.docView.markDirty(n,o),function(t){if(cn)return;cn=!0,"normal"==getComputedStyle(t.dom).whiteSpace&&console.warn("ProseMirror expects the CSS white-space property to be set, preferably to 'pre-wrap'. It is recommended to load style/prosemirror.css from the prosemirror-view package.")}(this.view)),this.handleDOMChange(n,o,i,s),this.view.docView.dirty?this.view.updateState(this.view.state):this.currentSelection.eq(e)||Rr(this.view))}},an.prototype.registerMutation=function(t,e){if(e.indexOf(t.target)>-1)return null;var r=this.view.docView.nearestDesc(t.target);if("attributes"==t.type&&(r==this.view.docView||"contenteditable"==t.attributeName||"style"==t.attributeName&&!t.oldValue&&!t.target.getAttribute("style")))return null;if(!r||r.ignoreMutation(t))return null;if("childList"==t.type){var n=t.previousSibling,o=t.nextSibling;if(_e.ie&&_e.ie_version<=11&&t.addedNodes.length)for(var i=0;i<t.addedNodes.length;i++){var s=t.addedNodes[i],a=s.previousSibling,c=s.nextSibling;(!a||Array.prototype.indexOf.call(t.addedNodes,a)<0)&&(n=a),(!c||Array.prototype.indexOf.call(t.addedNodes,c)<0)&&(o=c)}for(var l=n&&n.parentNode==t.target?Ee(n)+1:0,u=r.localPosFromDOM(t.target,l,-1),p=o&&o.parentNode==t.target?Ee(o):t.target.childNodes.length,h=0;h<t.addedNodes.length;h++)e.push(t.addedNodes[h]);return{from:u,to:r.localPosFromDOM(t.target,p,1)}}return"attributes"==t.type?{from:r.posAtStart-r.border,to:r.posAtEnd+r.border}:{from:r.posAtStart,to:r.posAtEnd,typeOver:t.target.nodeValue==t.oldValue}};var cn=!1;var ln={},un={};function pn(t,e){t.lastSelectionOrigin=e,t.lastSelectionTime=Date.now()}function hn(t){t.someProp("handleDOMEvents",(function(e){for(var r in e)t.eventHandlers[r]||t.dom.addEventListener(r,t.eventHandlers[r]=function(e){return fn(t,e)})}))}function fn(t,e){return t.someProp("handleDOMEvents",(function(r){var n=r[e.type];return!!n&&(n(t,e)||e.defaultPrevented)}))}function dn(t){return{left:t.clientX,top:t.clientY}}function mn(t,e,r,n,o){if(-1==n)return!1;for(var i=t.state.doc.resolve(n),s=function(n){if(t.someProp(e,(function(e){return n>i.depth?e(t,r,i.nodeAfter,i.before(n),o,!0):e(t,r,i.node(n),i.before(n),o,!1)})))return{v:!0}},a=i.depth+1;a>0;a--){var c=s(a);if(c)return c.v}return!1}function gn(t,e,r){t.focused||t.focus();var n=t.state.tr.setSelection(e);"pointer"==r&&n.setMeta("pointer",!0),t.dispatch(n)}function vn(t,e,r,n,o){return mn(t,"handleClickOn",e,r,n)||t.someProp("handleClick",(function(r){return r(t,e,n)}))||(o?function(t,e){if(-1==e)return!1;var r,n,o=t.state.selection;o instanceof ne&&(r=o.node);for(var i=t.state.doc.resolve(e),s=i.depth+1;s>0;s--){var a=s>i.depth?i.nodeAfter:i.node(s);if(ne.isSelectable(a)){n=r&&o.$from.depth>0&&s>=o.$from.depth&&i.before(o.$from.depth+1)==o.$from.pos?i.before(o.$from.depth):i.before(s);break}}return null!=n&&(gn(t,ne.create(t.state.doc,n),"pointer"),!0)}(t,r):function(t,e){if(-1==e)return!1;var r=t.state.doc.resolve(e),n=r.nodeAfter;return!!(n&&n.isAtom&&ne.isSelectable(n))&&(gn(t,new ne(r),"pointer"),!0)}(t,r))}function yn(t,e,r,n){return mn(t,"handleDoubleClickOn",e,r,n)||t.someProp("handleDoubleClick",(function(r){return r(t,e,n)}))}function bn(t,e,r,n){return mn(t,"handleTripleClickOn",e,r,n)||t.someProp("handleTripleClick",(function(r){return r(t,e,n)}))||function(t,e){var r=t.state.doc;if(-1==e)return!!r.inlineContent&&(gn(t,ee.create(r,0,r.content.size),"pointer"),!0);for(var n=r.resolve(e),o=n.depth+1;o>0;o--){var i=o>n.depth?n.nodeAfter:n.node(o),s=n.before(o);if(i.inlineContent)gn(t,ee.create(r,s+1,s+1+i.content.size),"pointer");else{if(!ne.isSelectable(i))continue;gn(t,ne.create(r,s),"pointer")}return!0}}(t,r)}function kn(t){return An(t)}un.keydown=function(t,e){t.shiftKey=16==e.keyCode||e.shiftKey,xn(t,e)||(t.lastKeyCode=e.keyCode,t.lastKeyCodeTime=Date.now(),!_e.ios||13!=e.keyCode||e.ctrlKey||e.altKey||e.metaKey?t.someProp("handleKeyDown",(function(r){return r(t,e)}))||Ir(t,e)?e.preventDefault():pn(t,"key"):t.lastIOSEnter=Date.now())},un.keyup=function(t,e){16==e.keyCode&&(t.shiftKey=!1)},un.keypress=function(t,e){if(!(xn(t,e)||!e.charCode||e.ctrlKey&&!e.altKey||_e.mac&&e.metaKey))if(t.someProp("handleKeyPress",(function(r){return r(t,e)})))e.preventDefault();else{var r=t.state.selection;if(!(r instanceof ee&&r.$from.sameParent(r.$to))){var n=String.fromCharCode(e.charCode);t.someProp("handleTextInput",(function(e){return e(t,r.$from.pos,r.$to.pos,n)}))||t.dispatch(t.state.tr.insertText(n).scrollIntoView()),e.preventDefault()}}};var _n=_e.mac?"metaKey":"ctrlKey";ln.mousedown=function(t,e){t.shiftKey=e.shiftKey;var r=kn(t),n=Date.now(),o="singleClick";n-t.lastClick.time<500&&function(t,e){var r=e.x-t.clientX,n=e.y-t.clientY;return r*r+n*n<100}(e,t.lastClick)&&!e[_n]&&("singleClick"==t.lastClick.type?o="doubleClick":"doubleClick"==t.lastClick.type&&(o="tripleClick")),t.lastClick={time:n,x:e.clientX,y:e.clientY,type:o};var i=t.posAtCoords(dn(e));i&&("singleClick"==o?t.mouseDown=new wn(t,i,e,r):("doubleClick"==o?yn:bn)(t,i.pos,i.inside,e)?e.preventDefault():pn(t,"pointer"))};var wn=function(t,e,r,n){var o,i,s=this;if(this.view=t,this.startDoc=t.state.doc,this.pos=e,this.event=r,this.flushed=n,this.selectNode=r[_n],this.allowDefault=r.shiftKey,e.inside>-1)o=t.state.doc.nodeAt(e.inside),i=e.inside;else{var a=t.state.doc.resolve(e.pos);o=a.parent,i=a.depth?a.before():0}this.mightDrag=null;var c=n?null:r.target,l=c?t.docView.nearestDesc(c,!0):null;this.target=l?l.dom:null,(o.type.spec.draggable&&!1!==o.type.spec.selectable||t.state.selection instanceof ne&&i==t.state.selection.from)&&(this.mightDrag={node:o,pos:i,addAttr:this.target&&!this.target.draggable,setUneditable:this.target&&_e.gecko&&!this.target.hasAttribute("contentEditable")}),this.target&&this.mightDrag&&(this.mightDrag.addAttr||this.mightDrag.setUneditable)&&(this.view.domObserver.stop(),this.mightDrag.addAttr&&(this.target.draggable=!0),this.mightDrag.setUneditable&&setTimeout((function(){return s.target.setAttribute("contentEditable","false")}),20),this.view.domObserver.start()),t.root.addEventListener("mouseup",this.up=this.up.bind(this)),t.root.addEventListener("mousemove",this.move=this.move.bind(this)),pn(t,"pointer")};function xn(t,e){return!!t.composing||!!(_e.safari&&Math.abs(e.timeStamp-t.compositionEndedAt)<500)&&(t.compositionEndedAt=-2e8,!0)}wn.prototype.done=function(){this.view.root.removeEventListener("mouseup",this.up),this.view.root.removeEventListener("mousemove",this.move),this.mightDrag&&this.target&&(this.view.domObserver.stop(),this.mightDrag.addAttr&&(this.target.draggable=!1),this.mightDrag.setUneditable&&this.target.removeAttribute("contentEditable"),this.view.domObserver.start()),this.view.mouseDown=null},wn.prototype.up=function(t){if(this.done(),this.view.dom.contains(3==t.target.nodeType?t.target.parentNode:t.target)){var e=this.pos;this.view.state.doc!=this.startDoc&&(e=this.view.posAtCoords(dn(t))),this.allowDefault||!e?pn(this.view,"pointer"):vn(this.view,e.pos,e.inside,t,this.selectNode)?t.preventDefault():!this.flushed&&(!_e.chrome||this.view.state.selection instanceof ee||e.pos!=this.view.state.selection.from&&e.pos!=this.view.state.selection.to)?pn(this.view,"pointer"):(gn(this.view,Qt.near(this.view.state.doc.resolve(e.pos)),"pointer"),t.preventDefault())}},wn.prototype.move=function(t){!this.allowDefault&&(Math.abs(this.event.x-t.clientX)>4||Math.abs(this.event.y-t.clientY)>4)&&(this.allowDefault=!0),pn(this.view,"pointer")},ln.touchdown=function(t){kn(t),pn(t,"pointer")},ln.contextmenu=function(t){return kn(t)};var Cn=_e.android?5e3:-1;function Sn(t,e){clearTimeout(t.composingTimeout),e>-1&&(t.composingTimeout=setTimeout((function(){return An(t)}),e))}function An(t,e){for(t.composing=!1;t.compositionNodes.length>0;)t.compositionNodes.pop().markParentsDirty();return!(!e&&!t.docView.dirty)&&(t.updateState(t.state),!0)}un.compositionstart=un.compositionupdate=function(t){if(!t.composing){t.domObserver.flush();var e=t.state,r=e.selection.$from;if(e.selection.empty&&(e.storedMarks||!r.textOffset&&r.parentOffset&&r.nodeBefore.marks.some((function(t){return!1===t.type.spec.inclusive}))))t.markCursor=t.state.storedMarks||r.marks(),An(t,!0),t.markCursor=null;else if(An(t),_e.gecko&&e.selection.empty&&r.parentOffset&&!r.textOffset&&r.nodeBefore.marks.length)for(var n=t.root.getSelection(),o=n.focusNode,i=n.focusOffset;o&&1==o.nodeType&&0!=i;){var s=i<0?o.lastChild:o.childNodes[i-1];if(!s)break;if(3==s.nodeType){n.collapse(s,s.nodeValue.length);break}o=s,i=-1}t.composing=!0}Sn(t,Cn)},un.compositionend=function(t,e){t.composing&&(t.composing=!1,t.compositionEndedAt=e.timeStamp,Sn(t,20))};var En=_e.ie&&_e.ie_version<15||_e.ios&&_e.webkit_version<604;function Mn(t,e,r,n){var o=Yr(t,e,r,t.shiftKey,t.state.selection.$from);if(!t.someProp("handlePaste",(function(e){return e(t,n,o||f.empty)}))&&o){var i=function(t){return 0==t.openStart&&0==t.openEnd&&1==t.content.childCount?t.content.firstChild:null}(o),s=i?t.state.tr.replaceSelectionWith(i,t.shiftKey):t.state.tr.replaceSelection(o);t.dispatch(s.scrollIntoView().setMeta("paste",!0).setMeta("uiEvent","paste"))}}ln.copy=un.cut=function(t,e){var r=t.state.selection,n="cut"==e.type;if(!r.empty){var o=En?null:e.clipboardData,i=Kr(t,r.content()),s=i.dom,a=i.text;o?(e.preventDefault(),o.clearData(),o.setData("text/html",s.innerHTML),o.setData("text/plain",a)):function(t,e){var r=t.dom.ownerDocument,n=r.body.appendChild(r.createElement("div"));n.appendChild(e),n.style.cssText="position: fixed; left: -10000px; top: 10px";var o=getSelection(),i=r.createRange();i.selectNodeContents(e),t.dom.blur(),o.removeAllRanges(),o.addRange(i),setTimeout((function(){r.body.removeChild(n),t.focus()}),50)}(t,s),n&&t.dispatch(t.state.tr.deleteSelection().scrollIntoView().setMeta("uiEvent","cut"))}},un.paste=function(t,e){var r=En?null:e.clipboardData,n=r&&r.getData("text/html"),o=r&&r.getData("text/plain");r&&(n||o||r.files.length)?(Mn(t,o,n,e),e.preventDefault()):function(t,e){var r=t.dom.ownerDocument,n=t.shiftKey||t.state.selection.$from.parent.type.spec.code,o=r.body.appendChild(r.createElement(n?"textarea":"div"));n||(o.contentEditable="true"),o.style.cssText="position: fixed; left: -10000px; top: 10px",o.focus(),setTimeout((function(){t.focus(),r.body.removeChild(o),n?Mn(t,o.value,null,e):Mn(t,o.textContent,o.innerHTML,e)}),50)}(t,e)};var Dn=function(t,e){this.slice=t,this.move=e},Tn=_e.mac?"altKey":"ctrlKey";for(var On in ln.dragstart=function(t,e){var r=t.mouseDown;if(r&&r.done(),e.dataTransfer){var n=t.state.selection,o=n.empty?null:t.posAtCoords(dn(e));if(o&&o.pos>=n.from&&o.pos<=(n instanceof ne?n.to-1:n.to));else if(r&&r.mightDrag)t.dispatch(t.state.tr.setSelection(ne.create(t.state.doc,r.mightDrag.pos)));else if(e.target&&1==e.target.nodeType){var i=t.docView.nearestDesc(e.target,!0);if(!i||!i.node.type.spec.draggable||i==t.docView)return;t.dispatch(t.state.tr.setSelection(ne.create(t.state.doc,i.posBefore)))}var s=t.state.selection.content(),a=Kr(t,s),c=a.dom,l=a.text;e.dataTransfer.clearData(),e.dataTransfer.setData(En?"Text":"text/html",c.innerHTML),En||e.dataTransfer.setData("text/plain",l),t.dragging=new Dn(s,!e[Tn])}},ln.dragend=function(t){window.setTimeout((function(){return t.dragging=null}),50)},un.dragover=un.dragenter=function(t,e){return e.preventDefault()},un.drop=function(t,e){var r=t.dragging;if(t.dragging=null,e.dataTransfer){var n=t.posAtCoords(dn(e));if(n){var o=t.state.doc.resolve(n.pos);if(o){var i=r&&r.slice||Yr(t,e.dataTransfer.getData(En?"Text":"text/plain"),En?null:e.dataTransfer.getData("text/html"),!1,o);if(i&&(e.preventDefault(),!t.someProp("handleDrop",(function(n){return n(t,e,i,r&&r.move)})))){var s=i?Ft(t.state.doc,o.pos,i):o.pos;null==s&&(s=o.pos);var a=t.state.tr;r&&r.move&&a.deleteSelection();var c=a.mapping.map(s),l=0==i.openStart&&0==i.openEnd&&1==i.content.childCount,u=a.doc;if(l?a.replaceRangeWith(c,c,i.content.firstChild):a.replaceRange(c,c,i),!a.doc.eq(u)){var p=a.doc.resolve(c);l&&ne.isSelectable(i.content.firstChild)&&p.nodeAfter&&p.nodeAfter.sameMarkup(i.content.firstChild)?a.setSelection(new ne(p)):a.setSelection(Ur(t,p,a.doc.resolve(a.mapping.map(s)))),t.focus(),t.dispatch(a.setMeta("uiEvent","drop"))}}}}}},ln.focus=function(t){t.focused||(t.domObserver.stop(),t.dom.classList.add("ProseMirror-focused"),t.domObserver.start(),t.focused=!0,setTimeout((function(){t.docView&&t.hasFocus()&&!t.domObserver.currentSelection.eq(t.root.getSelection())&&Rr(t)}),20))},ln.blur=function(t){t.focused&&(t.domObserver.stop(),t.dom.classList.remove("ProseMirror-focused"),t.domObserver.start(),t.domObserver.currentSelection.set({}),t.focused=!1)},ln.beforeinput=function(t,e){if(_e.chrome&&_e.android&&"deleteContentBackward"==e.inputType){var r=t.domChangeCount;setTimeout((function(){if(t.domChangeCount==r&&(t.dom.blur(),t.focus(),!t.someProp("handleKeyDown",(function(e){return e(t,Le(8,"Backspace"))})))){var e=t.state.selection.$cursor;e&&e.pos>0&&t.dispatch(t.state.tr.delete(e.pos-1,e.pos).scrollIntoView())}}),50)}},un)ln[On]=un[On];function qn(t,e){if(t==e)return!0;for(var r in t)if(t[r]!==e[r])return!1;for(var n in e)if(!(n in t))return!1;return!0}var zn=function(t,e){this.spec=e||Pn,this.side=this.spec.side||0,this.toDOM=t};zn.prototype.map=function(t,e,r,n){var o=t.mapResult(e.from+n,this.side<0?-1:1),i=o.pos;return o.deleted?null:new Ln(i-r,i-r,this)},zn.prototype.valid=function(){return!0},zn.prototype.eq=function(t){return this==t||t instanceof zn&&(this.spec.key&&this.spec.key==t.spec.key||this.toDOM==t.toDOM&&qn(this.spec,t.spec))};var Nn=function(t,e){this.spec=e||Pn,this.attrs=t};Nn.prototype.map=function(t,e,r,n){var o=t.map(e.from+n,this.spec.inclusiveStart?-1:1)-r,i=t.map(e.to+n,this.spec.inclusiveEnd?1:-1)-r;return o>=i?null:new Ln(o,i,this)},Nn.prototype.valid=function(t,e){return e.from<e.to},Nn.prototype.eq=function(t){return this==t||t instanceof Nn&&qn(this.attrs,t.attrs)&&qn(this.spec,t.spec)},Nn.is=function(t){return t.type instanceof Nn};var In=function(t,e){this.spec=e||Pn,this.attrs=t};In.prototype.map=function(t,e,r,n){var o=t.mapResult(e.from+n,1);if(o.deleted)return null;var i=t.mapResult(e.to+n,-1);return i.deleted||i.pos<=o.pos?null:new Ln(o.pos-r,i.pos-r,this)},In.prototype.valid=function(t,e){var r=t.content.findIndex(e.from),n=r.index,o=r.offset;return o==e.from&&o+t.child(n).nodeSize==e.to},In.prototype.eq=function(t){return this==t||t instanceof In&&qn(this.attrs,t.attrs)&&qn(this.spec,t.spec)};var Ln=function(t,e,r){this.from=t,this.to=e,this.type=r},Rn={spec:{configurable:!0}};Ln.prototype.copy=function(t,e){return new Ln(t,e,this.type)},Ln.prototype.eq=function(t){return this.type.eq(t.type)&&this.from==t.from&&this.to==t.to},Ln.prototype.map=function(t,e,r){return this.type.map(t,this,e,r)},Ln.widget=function(t,e,r){return new Ln(t,t,new zn(e,r))},Ln.inline=function(t,e,r,n){return new Ln(t,e,new Nn(r,n))},Ln.node=function(t,e,r,n){return new Ln(t,e,new In(r,n))},Rn.spec.get=function(){return this.type.spec},Object.defineProperties(Ln.prototype,Rn);var Fn=[],Pn={},Bn=function(t,e){this.local=t&&t.length?t:Fn,this.children=e&&e.length?e:Fn};Bn.create=function(t,e){return e.length?Gn(e,t,0,Pn):Vn},Bn.prototype.find=function(t,e,r){var n=[];return this.findInner(null==t?0:t,null==e?1e9:e,n,0,r),n},Bn.prototype.findInner=function(t,e,r,n,o){for(var i=0;i<this.local.length;i++){var s=this.local[i];s.from<=e&&s.to>=t&&(!o||o(s.spec))&&r.push(s.copy(s.from+n,s.to+n))}for(var a=0;a<this.children.length;a+=3)if(this.children[a]<e&&this.children[a+1]>t){var c=this.children[a]+1;this.children[a+2].findInner(t-c,e-c,r,n+c,o)}},Bn.prototype.map=function(t,e,r){return this==Vn||0==t.maps.length?this:this.mapInner(t,e,0,0,r||Pn)},Bn.prototype.mapInner=function(t,e,r,n,o){for(var i,s=0;s<this.local.length;s++){var a=this.local[s].map(t,r,n);a&&a.type.valid(e,a)?(i||(i=[])).push(a):o.onRemove&&o.onRemove(this.local[s].spec)}return this.children.length?function(t,e,r,n,o,i,s){for(var a=t.slice(),c=function(t,e,r,n){for(var s=0;s<a.length;s+=3){var c=a[s+1],l=void 0;-1==c||t>c+i||(e>=a[s]+i?a[s+1]=-1:(l=n-r-(e-t)+(i-o))&&(a[s]+=l,a[s+1]+=l))}},l=0;l<r.maps.length;l++)r.maps[l].forEach(c);for(var u=!1,p=0;p<a.length;p+=3)if(-1==a[p+1]){var h=r.map(a[p]+i),f=h-o;if(f<0||f>=n.content.size){u=!0;continue}var d=r.map(t[p+1]+i,-1)-o,m=n.content.findIndex(f),g=m.index,v=m.offset,y=n.maybeChild(g);if(y&&v==f&&v+y.nodeSize==d){var b=a[p+2].mapInner(r,y,h+1,a[p]+i+1,s);b!=Vn?(a[p]=f,a[p+1]=d,a[p+2]=b):(a[p+1]=-2,u=!0)}else u=!0}if(u){var k=Gn(function(t,e,r,n,o,i,s){function a(t,e){for(var i=0;i<t.local.length;i++){var c=t.local[i].map(n,o,e);c?r.push(c):s.onRemove&&s.onRemove(t.local[i].spec)}for(var l=0;l<t.children.length;l+=3)a(t.children[l+2],t.children[l]+e+1)}for(var c=0;c<t.length;c+=3)-1==t[c+1]&&a(t[c+2],e[c]+i+1);return r}(a,t,e||[],r,o,i,s),n,0,s);e=k.local;for(var _=0;_<a.length;_+=3)a[_+1]<0&&(a.splice(_,3),_-=3);for(var w=0,x=0;w<k.children.length;w+=3){for(var 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Yn=function(t,e){this._props=e,this.state=e.state,this.dispatch=this.dispatch.bind(this),this._root=null,this.focused=!1,this.dom=t&&t.mount||document.createElement("div"),t&&(t.appendChild?t.appendChild(this.dom):t.apply?t(this.dom):t.mount&&(this.mounted=!0)),this.editable=eo(this),this.markCursor=null,this.cursorWrapper=null,to(this),this.nodeViews=ro(this),this.docView=cr(this.state.doc,Xn(this),Kn(this),this.dom,this),this.lastSelectedViewDesc=null,this.dragging=null,function(t){t.shiftKey=!1,t.mouseDown=null,t.lastKeyCode=null,t.lastKeyCodeTime=0,t.lastClick={time:0,x:0,y:0,type:""},t.lastSelectionOrigin=null,t.lastSelectionTime=0,t.lastIOSEnter=0,t.composing=!1,t.composingTimeout=null,t.compositionNodes=[],t.compositionEndedAt=-2e8,t.domObserver=new an(t,(function(e,r,n,o){return Jr(t,e,r,n,o)})),t.domObserver.start(),t.domChangeCount=0,t.eventHandlers=Object.create(null);var e=function(e){var r=ln[e];t.dom.addEventListener(e,t.eventHandlers[e]=function(e){!function(t,e){if(!e.bubbles)return!0;if(e.defaultPrevented)return!1;for(var r=e.target;r!=t.dom;r=r.parentNode)if(!r||11==r.nodeType||r.pmViewDesc&&r.pmViewDesc.stopEvent(e))return!1;return!0}(t,e)||fn(t,e)||!t.editable&&e.type in un||r(t,e)})};for(var r in ln)e(r);_e.safari&&t.dom.addEventListener("input",(function(){return null})),hn(t)}(this),this.pluginViews=[],this.updatePluginViews()},Qn={props:{configurable:!0},root:{configurable:!0}};function Xn(t){var e=Object.create(null);return e.class="ProseMirror",e.contenteditable=String(t.editable),t.someProp("attributes",(function(r){if("function"==typeof r&&(r=r(t.state)),r)for(var n in r)"class"==n?e.class+=" "+r[n]:e[n]||"contenteditable"==n||"nodeName"==n||(e[n]=String(r[n]))})),[Ln.node(0,t.state.doc.content.size,e)]}function to(t){var e=t.state.selection,r=e.$head,n=e.$anchor,o=e.visible;if(t.markCursor){var 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x=k&&(_e.ie||_e.chrome)&&!n.selection.empty&&!t.selection.empty&&(l=n.selection,u=t.selection,p=Math.min(l.$anchor.sharedDepth(l.head),u.$anchor.sharedDepth(u.head)),l.$anchor.node(p)!=u.$anchor.node(p));k&&(!o&&this.docView.update(t.doc,y,v,this)||(this.docView.destroy(),this.docView=cr(t.doc,y,v,this.dom,this))),x||!(this.mouseDown&&this.domObserver.currentSelection.eq(this.root.getSelection())&&(s=this,a=s.docView.domFromPos(s.state.selection.anchor),c=s.root.getSelection(),Te(a.node,a.offset,c.anchorNode,c.anchorOffset)))?Rr(this,x):($r(this,t.selection),this.domObserver.setCurSelection()),this.domObserver.start()}if(this.updatePluginViews(n),"reset"==b)this.dom.scrollTop=0;else if("to selection"==b){var C=this.root.getSelection().focusNode;this.someProp("handleScrollToSelection",(function(t){return t(r)}))||(t.selection instanceof ne?Pe(this,this.docView.domAfterPos(t.selection.from).getBoundingClientRect(),C):Pe(this,this.coordsAtPos(t.selection.head),C))}else 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t.length?(t=bo.from(t),!this.length&&t||t.length<200&&this.leafAppend(t)||this.length<200&&t.leafPrepend(this)||this.appendInner(t)):this},bo.prototype.prepend=function(t){return t.length?bo.from(t).append(this):this},bo.prototype.appendInner=function(t){return new _o(this,t)},bo.prototype.slice=function(t,e){return void 0===t&&(t=0),void 0===e&&(e=this.length),t>=e?bo.empty:this.sliceInner(Math.max(0,t),Math.min(this.length,e))},bo.prototype.get=function(t){if(!(t<0||t>=this.length))return this.getInner(t)},bo.prototype.forEach=function(t,e,r){void 0===e&&(e=0),void 0===r&&(r=this.length),e<=r?this.forEachInner(t,e,r,0):this.forEachInvertedInner(t,e,r,0)},bo.prototype.map=function(t,e,r){void 0===e&&(e=0),void 0===r&&(r=this.length);var n=[];return this.forEach((function(e,r){return n.push(t(e,r))}),e,r),n},bo.from=function(t){return t instanceof bo?t:t&&t.length?new ko(t):bo.empty};var ko=function(t){function 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_o=function(t){function e(e,r){t.call(this),this.left=e,this.right=r,this.length=e.length+r.length,this.depth=Math.max(e.depth,r.depth)+1}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.flatten=function(){return this.left.flatten().concat(this.right.flatten())},e.prototype.getInner=function(t){return t<this.left.length?this.left.get(t):this.right.get(t-this.left.length)},e.prototype.forEachInner=function(t,e,r,n){var o=this.left.length;return!(e<o&&!1===this.left.forEachInner(t,e,Math.min(r,o),n))&&(!(r>o&&!1===this.right.forEachInner(t,Math.max(e-o,0),Math.min(this.length,r)-o,n+o))&&void 0)},e.prototype.forEachInvertedInner=function(t,e,r,n){var o=this.left.length;return!(e>o&&!1===this.right.forEachInvertedInner(t,e-o,Math.max(r,o)-o,n+o))&&(!(r<o&&!1===this.left.forEachInvertedInner(t,Math.min(e,o),r,n))&&void 0)},e.prototype.sliceInner=function(t,e){if(0==t&&e==this.length)return this;var r=this.left.length;return e<=r?this.left.slice(t,e):t>=r?this.right.slice(t-r,e-r):this.left.slice(t,r).append(this.right.slice(0,e-r))},e.prototype.leafAppend=function(t){var r=this.right.leafAppend(t);if(r)return new e(this.left,r)},e.prototype.leafPrepend=function(t){var r=this.left.leafPrepend(t);if(r)return new e(r,this.right)},e.prototype.appendInner=function(t){return this.left.depth>=Math.max(this.right.depth,t.depth)+1?new e(this.left,new e(this.right,t)):new e(this,t)},e}(bo),wo=bo,xo=function(t,e){this.items=t,this.eventCount=e};xo.prototype.popEvent=function(t,e){var r=this;if(0==this.eventCount)return null;for(var n,o,i=this.items.length;;i--){if(this.items.get(i-1).selection){--i;break}}e&&(n=this.remapping(i,this.items.length),o=n.maps.length);var s,a,c=t.tr,l=[],u=[];return this.items.forEach((function(t,e){if(!t.step)return n||(n=r.remapping(i,e+1),o=n.maps.length),o--,void u.push(t);if(n){u.push(new Co(t.map));var p,h=t.step.map(n.slice(o));h&&c.maybeStep(h).doc&&(p=c.mapping.maps[c.mapping.maps.length-1],l.push(new Co(p,null,null,l.length+u.length))),o--,p&&n.appendMap(p,o)}else c.maybeStep(t.step);return t.selection?(s=n?t.selection.map(n.slice(o)):t.selection,a=new xo(r.items.slice(0,i).append(u.reverse().concat(l)),r.eventCount-1),!1):void 0}),this.items.length,0),{remaining:a,transform:c,selection:s}},xo.prototype.addTransform=function(t,e,r,n){for(var o=[],i=this.eventCount,s=this.items,a=!n&&s.length?s.get(s.length-1):null,c=0;c<t.steps.length;c++){var l,u=t.steps[c].invert(t.docs[c]),p=new Co(t.mapping.maps[c],u,e);(l=a&&a.merge(p))&&(p=l,c?o.pop():s=s.slice(0,s.length-1)),o.push(p),e&&(i++,e=null),n||(a=p)}var h,f,d,m=i-r.depth;return m>Ao&&(f=m,(h=s).forEach((function(t,e){if(t.selection&&0==f--)return d=e,!1})),s=h.slice(d),i-=m),new xo(s.append(o),i)},xo.prototype.remapping=function(t,e){var r=new bt;return this.items.forEach((function(e,n){var 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this.items.forEach((function(e){e.step||t++})),t},xo.prototype.compress=function(t){void 0===t&&(t=this.items.length);var e=this.remapping(0,t),r=e.maps.length,n=[],o=0;return this.items.forEach((function(i,s){if(s>=t)n.push(i),i.selection&&o++;else if(i.step){var a=i.step.map(e.slice(r)),c=a&&a.getMap();if(r--,c&&e.appendMap(c,r),a){var l=i.selection&&i.selection.map(e.slice(r));l&&o++;var u,p=new Co(c.invert(),a,l),h=n.length-1;(u=n.length&&n[h].merge(p))?n[h]=u:n.push(p)}}else i.map&&r--}),this.items.length,0),new xo(wo.from(n.reverse()),o)},xo.empty=new xo(wo.empty,0);var Co=function(t,e,r,n){this.map=t,this.step=e,this.selection=r,this.mirrorOffset=n};Co.prototype.merge=function(t){if(this.step&&t.step&&!t.selection){var e=t.step.merge(this.step);if(e)return new Co(e.getMap().invert(),e,this.selection)}};var So=function(t,e,r,n){this.done=t,this.undone=e,this.prevRanges=r,this.prevTime=n},Ao=20;function Eo(t){var e=[];return t.forEach((function(t,r,n,o){return e.push(n,o)})),e}function Mo(t,e){if(!t)return null;for(var r=[],n=0;n<t.length;n+=2){var o=e.map(t[n],1),i=e.map(t[n+1],-1);o<=i&&r.push(o,i)}return r}function Do(t,e,r,n){var o=qo(e),i=zo.get(e).spec.config,s=(n?t.undone:t.done).popEvent(e,o);if(s){var a=s.selection.resolve(s.transform.doc),c=(n?t.done:t.undone).addTransform(s.transform,e.selection.getBookmark(),i,o),l=new So(n?c:s.remaining,n?s.remaining:c,null,0);r(s.transform.setSelection(a).setMeta(zo,{redo:n,historyState:l}).scrollIntoView())}}var To=!1,Oo=null;function qo(t){var e=t.plugins;if(Oo!=e){To=!1,Oo=e;for(var r=0;r<e.length;r++)if(e[r].spec.historyPreserveItems){To=!0;break}}return To}var zo=new ke("history"),No=new ke("closeHistory");function Io(t){return t={depth:t&&t.depth||100,newGroupDelay:t&&t.newGroupDelay||500},new ve({key:zo,state:{init:function(){return new So(xo.empty,xo.empty,null,0)},apply:function(e,r,n){return function(t,e,r,n){var o,i=r.getMeta(zo);if(i)return i.historyState;r.getMeta(No)&&(t=new So(t.done,t.undone,null,0));var s=r.getMeta("appendedTransaction");if(0==r.steps.length)return t;if(s&&s.getMeta(zo))return s.getMeta(zo).redo?new So(t.done.addTransform(r,null,n,qo(e)),t.undone,Eo(r.mapping.maps[r.steps.length-1]),t.prevTime):new So(t.done,t.undone.addTransform(r,null,n,qo(e)),null,t.prevTime);if(!1===r.getMeta("addToHistory")||s&&!1===s.getMeta("addToHistory"))return(o=r.getMeta("rebased"))?new So(t.done.rebased(r,o),t.undone.rebased(r,o),Mo(t.prevRanges,r.mapping),t.prevTime):new So(t.done.addMaps(r.mapping.maps),t.undone.addMaps(r.mapping.maps),Mo(t.prevRanges,r.mapping),t.prevTime);var a=0==t.prevTime||!s&&(t.prevTime<(r.time||0)-n.newGroupDelay||!function(t,e){if(!e)return!1;if(!t.docChanged)return!0;var r=!1;return t.mapping.maps[0].forEach((function(t,n){for(var o=0;o<e.length;o+=2)t<=e[o+1]&&n>=e[o]&&(r=!0)})),r}(r,t.prevRanges)),c=s?Mo(t.prevRanges,r.mapping):Eo(r.mapping.maps[r.steps.length-1]);return new So(t.done.addTransform(r,a?e.selection.getBookmark():null,n,qo(e)),xo.empty,c,r.time)}(r,n,e,t)}},config:t})}function Lo(t,e){var r=zo.getState(t);return!(!r||0==r.done.eventCount)&&(e&&Do(r,t,e,!1),!0)}function Ro(t,e){var r=zo.getState(t);return!(!r||0==r.undone.eventCount)&&(e&&Do(r,t,e,!0),!0)}function Fo(t,e){return!t.selection.empty&&(e&&e(t.tr.deleteSelection().scrollIntoView()),!0)}function Po(t,e){for(;t;t="start"==e?t.firstChild:t.lastChild)if(t.isTextblock)return!0;return!1}function Bo(t){if(!t.parent.type.spec.isolating)for(var e=t.depth-1;e>=0;e--){if(t.index(e)>0)return t.doc.resolve(t.before(e+1));if(t.node(e).type.spec.isolating)break}return null}function Vo(t){if(!t.parent.type.spec.isolating)for(var e=t.depth-1;e>=0;e--){var r=t.node(e);if(t.index(e)+1<r.childCount)return t.doc.resolve(t.after(e+1));if(r.type.spec.isolating)break}return null}function $o(t,e){var r,n=t.selection,o=n instanceof ne;if(o){if(n.node.isTextblock||!It(t.doc,n.from))return!1;r=n.from}else if(null==(r=Rt(t.doc,n.from,-1)))return!1;if(e){var i=t.tr.join(r);o&&i.setSelection(ne.create(i.doc,r-t.doc.resolve(r).nodeBefore.nodeSize)),e(i.scrollIntoView())}return!0}function jo(t,e){var r,n=t.selection;if(n instanceof ne){if(n.node.isTextblock||!It(t.doc,n.to))return!1;r=n.to}else if(null==(r=Rt(t.doc,n.to,1)))return!1;return e&&e(t.tr.join(r).scrollIntoView()),!0}function Uo(t,e){var r=t.selection,n=r.$from,o=r.$to,i=n.blockRange(o),s=i&&Ot(i);return null!=s&&(e&&e(t.tr.lift(i,s).scrollIntoView()),!0)}function Ho(t){for(var e=0;e<t.edgeCount;e++){var r=t.edge(e).type;if(r.isTextblock&&!r.hasRequiredAttrs())return r}return null}function Go(t,e){var r=t.selection,n=r.$head,o=r.$anchor;if(!n.parent.type.spec.code||!n.sameParent(o))return!1;var i=n.node(-1),s=n.indexAfter(-1),a=Ho(i.contentMatchAt(s));if(!i.canReplaceWith(s,s,a))return!1;if(e){var c=n.after(),l=t.tr.replaceWith(c,c,a.createAndFill());l.setSelection(Qt.near(l.doc.resolve(c),1)),e(l.scrollIntoView())}return!0}function Jo(t,e){var r=t.selection,n=r.$from,o=r.$to;if(t.selection instanceof ne&&t.selection.node.isBlock)return!(!n.parentOffset||!Nt(t.doc,n.pos))&&(e&&e(t.tr.split(n.pos).scrollIntoView()),!0);if(!n.parent.isBlock)return!1;if(e){var i=o.parentOffset==o.parent.content.size,a=t.tr;(t.selection instanceof ee||t.selection instanceof ie)&&a.deleteSelection();var c=0==n.depth?null:Ho(n.node(-1).contentMatchAt(n.indexAfter(-1))),l=i&&c?[{type:c}]:null,u=Nt(a.doc,a.mapping.map(n.pos),1,l);l||u||!Nt(a.doc,a.mapping.map(n.pos),1,c&&[{type:c}])||(l=[{type:c}],u=!0),u&&(a.split(a.mapping.map(n.pos),1,l),i||n.parentOffset||n.parent.type==c||!n.node(-1).canReplace(n.index(-1),n.indexAfter(-1),s.from([c.create(),n.parent]))||a.setNodeMarkup(a.mapping.map(n.before()),c)),e(a.scrollIntoView())}return!0}function Zo(t,e){var r,n=t.selection,o=n.$from,i=n.to,s=o.sharedDepth(i);return 0!=s&&(r=o.before(s),e&&e(t.tr.setSelection(ne.create(t.doc,r))),!0)}function Wo(t,e,r){var n,o,i=e.nodeBefore,a=e.nodeAfter;if(i.type.spec.isolating||a.type.spec.isolating)return!1;if(function(t,e,r){var n=e.nodeBefore,o=e.nodeAfter,i=e.index();return!!(n&&o&&n.type.compatibleContent(o.type))&&(!n.content.size&&e.parent.canReplace(i-1,i)?(r&&r(t.tr.delete(e.pos-n.nodeSize,e.pos).scrollIntoView()),!0):!(!e.parent.canReplace(i,i+1)||!o.isTextblock&&!It(t.doc,e.pos))&&(r&&r(t.tr.clearIncompatible(e.pos,n.type,n.contentMatchAt(n.childCount)).join(e.pos).scrollIntoView()),!0))}(t,e,r))return!0;var c=e.parent.canReplace(e.index(),e.index()+1);if(c&&(n=(o=i.contentMatchAt(i.childCount)).findWrapping(a.type))&&o.matchType(n[0]||a.type).validEnd){if(r){for(var l=e.pos+a.nodeSize,u=s.empty,p=n.length-1;p>=0;p--)u=s.from(n[p].create(null,u));u=s.from(i.copy(u));var h=t.tr.step(new Mt(e.pos-1,l,e.pos,l,new f(u,1,0),n.length,!0)),d=l+2*n.length;It(h.doc,d)&&h.join(d),r(h.scrollIntoView())}return!0}var m=Qt.findFrom(e,1),g=m&&m.$from.blockRange(m.$to),v=g&&Ot(g);if(null!=v&&v>=e.depth)return r&&r(t.tr.lift(g,v).scrollIntoView()),!0;if(c&&a.isTextblock&&Po(i,"end")){for(var y=i,b=[];b.push(y),!y.isTextblock;)y=y.lastChild;if(y.canReplace(y.childCount,y.childCount,a.content)){if(r){for(var k=s.empty,_=b.length-1;_>=0;_--)k=s.from(b[_].copy(k));r(t.tr.step(new Mt(e.pos-b.length,e.pos+a.nodeSize,e.pos+1,e.pos+a.nodeSize-1,new f(k,b.length,0),0,!0)).scrollIntoView())}return!0}}return!1}function Ko(t,e){return function(r,n){var o=r.selection,i=o.$from,s=o.$to,a=i.blockRange(s),c=a&&qt(a,t,e);return!!c&&(n&&n(r.tr.wrap(a,c).scrollIntoView()),!0)}}function Yo(t,e){return function(r,n){var o=r.selection,i=o.from,s=o.to,a=!1;return r.doc.nodesBetween(i,s,(function(n,o){if(a)return!1;if(n.isTextblock&&!n.hasMarkup(t,e))if(n.type==t)a=!0;else{var 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\ No newline at end of file