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0;n>r?t=t.substring(n-r):n<r&&(e=e.substring(0,n));var i=Math.min(n,r);if(t==e)return i;for(var o=0,s=1;;){var a=t.substring(i-s),f=e.indexOf(a);if(-1==f)return o;s+=f,0!=f&&t.substring(i-s)!=e.substring(0,s)||(o=s,s++)}},r.prototype.diff_halfMatch_=function(t,e){if(this.Diff_Timeout<=0)return null;var n=t.length>e.length?t:e,r=t.length>e.length?e:t;if(n.length<4||2*r.length<n.length)return null;var i=this;function o(t,e,n){for(var r,o,s,a,f=t.substring(n,n+Math.floor(t.length/4)),c=-1,h="";-1!=(c=e.indexOf(f,c+1));){var l=i.diff_commonPrefix(t.substring(n),e.substring(c)),u=i.diff_commonSuffix(t.substring(0,n),e.substring(0,c));h.length<u+l&&(h=e.substring(c-u,c)+e.substring(c,c+l),r=t.substring(0,n-u),o=t.substring(n+l),s=e.substring(0,c-u),a=e.substring(c+l))}return 2*h.length>=t.length?[r,o,s,a,h]:null}var s,a,f,c,h,l=o(n,r,Math.ceil(n.length/4)),u=o(n,r,Math.ceil(n.length/2));return l||u?(s=u?l&&l[4].length>u[4].length?l:u:l,t.length>e.length?(a=s[0],f=s[1],c=s[2],h=s[3]):(c=s[0],h=s[1],a=s[2],f=s[3]),[a,f,c,h,s[4]]):null},r.prototype.diff_cleanupSemantic=function(t){for(var e=!1,n=[],r=0,i=null,o=0,s=0,a=0,f=0,c=0;o<t.length;)0==t[o][0]?(n[r++]=o,s=f,a=c,f=0,c=0,i=t[o][1]):(1==t[o][0]?f+=t[o][1].length:c+=t[o][1].length,i&&i.length<=Math.max(s,a)&&i.length<=Math.max(f,c)&&(t.splice(n[r-1],0,[-1,i]),t[n[r-1]+1][0]=1,r--,o=--r>0?n[r-1]:-1,s=0,a=0,f=0,c=0,i=null,e=!0)),o++;for(e&&this.diff_cleanupMerge(t),this.diff_cleanupSemanticLossless(t),o=1;o<t.length;){if(-1==t[o-1][0]&&1==t[o][0]){var h=t[o-1][1],l=t[o][1],u=this.diff_commonOverlap_(h,l),g=this.diff_commonOverlap_(l,h);u>=g?(u>=h.length/2||u>=l.length/2)&&(t.splice(o,0,[0,l.substring(0,u)]),t[o-1][1]=h.substring(0,h.length-u),t[o+1][1]=l.substring(u),o++):(g>=h.length/2||g>=l.length/2)&&(t.splice(o,0,[0,h.substring(0,g)]),t[o-1][0]=1,t[o-1][1]=l.substring(0,l.length-g),t[o+1][0]=-1,t[o+1][1]=h.substring(g),o++),o++}o++}},r.prototype.diff_cleanupSemanticLossless=function(t){function e(t,e){if(!t||!e)return 6;var n=t.charAt(t.length-1),i=e.charAt(0),o=n.match(r.nonAlphaNumericRegex_),s=i.match(r.nonAlphaNumericRegex_),a=o&&n.match(r.whitespaceRegex_),f=s&&i.match(r.whitespaceRegex_),c=a&&n.match(r.linebreakRegex_),h=f&&i.match(r.linebreakRegex_),l=c&&t.match(r.blanklineEndRegex_),u=h&&e.match(r.blanklineStartRegex_);return l||u?5:c||h?4:o&&!a&&f?3:a||f?2:o||s?1:0}for(var n=1;n<t.length-1;){if(0==t[n-1][0]&&0==t[n+1][0]){var i=t[n-1][1],o=t[n][1],s=t[n+1][1],a=this.diff_commonSuffix(i,o);if(a){var f=o.substring(o.length-a);i=i.substring(0,i.length-a),o=f+o.substring(0,o.length-a),s=f+s}for(var c=i,h=o,l=s,u=e(i,o)+e(o,s);o.charAt(0)===s.charAt(0);){i+=o.charAt(0),o=o.substring(1)+s.charAt(0),s=s.substring(1);var g=e(i,o)+e(o,s);g>=u&&(u=g,c=i,h=o,l=s)}t[n-1][1]!=c&&(c?t[n-1][1]=c:(t.splice(n-1,1),n--),t[n][1]=h,l?t[n+1][1]=l:(t.splice(n+1,1),n--))}n++}},r.nonAlphaNumericRegex_=/[^a-zA-Z0-9]/,r.whitespaceRegex_=/\s/,r.linebreakRegex_=/[\r\n]/,r.blanklineEndRegex_=/\n\r?\n$/,r.blanklineStartRegex_=/^\r?\n\r?\n/,r.prototype.diff_cleanupEfficiency=function(t){for(var e=!1,n=[],r=0,i=null,o=0,s=!1,a=!1,f=!1,c=!1;o<t.length;)0==t[o][0]?(t[o][1].length<this.Diff_EditCost&&(f||c)?(n[r++]=o,s=f,a=c,i=t[o][1]):(r=0,i=null),f=c=!1):(-1==t[o][0]?c=!0:f=!0,i&&(s&&a&&f&&c||i.length<this.Diff_EditCost/2&&s+a+f+c==3)&&(t.splice(n[r-1],0,[-1,i]),t[n[r-1]+1][0]=1,r--,i=null,s&&a?(f=c=!0,r=0):(o=--r>0?n[r-1]:-1,f=c=!1),e=!0)),o++;e&&this.diff_cleanupMerge(t)},r.prototype.diff_cleanupMerge=function(t){t.push([0,""]);for(var e,n=0,r=0,i=0,o="",s="";n<t.length;)switch(t[n][0]){case 1:i++,s+=t[n][1],n++;break;case-1:r++,o+=t[n][1],n++;break;case 0:r+i>1?(0!==r&&0!==i&&(0!==(e=this.diff_commonPrefix(s,o))&&(n-r-i>0&&0==t[n-r-i-1][0]?t[n-r-i-1][1]+=s.substring(0,e):(t.splice(0,0,[0,s.substring(0,e)]),n++),s=s.substring(e),o=o.substring(e)),0!==(e=this.diff_commonSuffix(s,o))&&(t[n][1]=s.substring(s.length-e)+t[n][1],s=s.substring(0,s.length-e),o=o.substring(0,o.length-e))),0===r?t.splice(n-i,r+i,[1,s]):0===i?t.splice(n-r,r+i,[-1,o]):t.splice(n-r-i,r+i,[-1,o],[1,s]),n=n-r-i+(r?1:0)+(i?1:0)+1):0!==n&&0==t[n-1][0]?(t[n-1][1]+=t[n][1],t.splice(n,1)):n++,i=0,r=0,o="",s=""}""===t[t.length-1][1]&&t.pop();var a=!1;for(n=1;n<t.length-1;)0==t[n-1][0]&&0==t[n+1][0]&&(t[n][1].substring(t[n][1].length-t[n-1][1].length)==t[n-1][1]?(t[n][1]=t[n-1][1]+t[n][1].substring(0,t[n][1].length-t[n-1][1].length),t[n+1][1]=t[n-1][1]+t[n+1][1],t.splice(n-1,1),a=!0):t[n][1].substring(0,t[n+1][1].length)==t[n+1][1]&&(t[n-1][1]+=t[n+1][1],t[n][1]=t[n][1].substring(t[n+1][1].length)+t[n+1][1],t.splice(n+1,1),a=!0)),n++;a&&this.diff_cleanupMerge(t)},r.prototype.diff_xIndex=function(t,e){var n,r=0,i=0,o=0,s=0;for(n=0;n<t.length&&(1!==t[n][0]&&(r+=t[n][1].length),-1!==t[n][0]&&(i+=t[n][1].length),!(r>e));n++)o=r,s=i;return t.length!=n&&-1===t[n][0]?s:s+(e-o)},r.prototype.diff_prettyHtml=function(t){for(var e=[],n=/&/g,r=/</g,i=/>/g,o=/\n/g,s=0;s<t.length;s++){var a=t[s][0],f=t[s][1].replace(n,"&amp;").replace(r,"&lt;").replace(i,"&gt;").replace(o,"&para;<br>");switch(a){case 1:e[s]='<ins style="background:#e6ffe6;">'+f+"</ins>";break;case-1:e[s]='<del style="background:#ffe6e6;">'+f+"</del>";break;case 0:e[s]="<span>"+f+"</span>"}}return e.join("")},r.prototype.diff_text1=function(t){for(var e=[],n=0;n<t.length;n++)1!==t[n][0]&&(e[n]=t[n][1]);return e.join("")},r.prototype.diff_text2=function(t){for(var e=[],n=0;n<t.length;n++)-1!==t[n][0]&&(e[n]=t[n][1]);return e.join("")},r.prototype.diff_levenshtein=function(t){for(var e=0,n=0,r=0,i=0;i<t.length;i++){var o=t[i][0],s=t[i][1];switch(o){case 1:n+=s.length;break;case-1:r+=s.length;break;case 0:e+=Math.max(n,r),n=0,r=0}}return e+=Math.max(n,r)},r.prototype.diff_toDelta=function(t){for(var e=[],n=0;n<t.length;n++)switch(t[n][0]){case 1:e[n]="+"+encodeURI(t[n][1]);break;case-1:e[n]="-"+t[n][1].length;break;case 0:e[n]="="+t[n][1].length}return e.join("\t").replace(/%20/g," ")},r.prototype.diff_fromDelta=function(t,e){for(var n=[],r=0,i=0,o=e.split(/\t/g),s=0;s<o.length;s++){var a=o[s].substring(1);switch(o[s].charAt(0)){case"+":try{n[r++]=[1,decodeURI(a)]}catch(t){throw new Error("Illegal escape in diff_fromDelta: "+a)}break;case"-":case"=":var f=parseInt(a,10);if(isNaN(f)||f<0)throw new Error("Invalid number in diff_fromDelta: "+a);var c=t.substring(i,i+=f);"="==o[s].charAt(0)?n[r++]=[0,c]:n[r++]=[-1,c];break;default:if(o[s])throw new Error("Invalid diff operation in diff_fromDelta: "+o[s])}}if(i!=t.length)throw new Error("Delta length ("+i+") does not equal source text length ("+t.length+").");return n},r.prototype.match_main=function(t,e,n){if(null==t||null==e||null==n)throw new Error("Null input. (match_main)");return n=Math.max(0,Math.min(n,t.length)),t==e?0:t.length?t.substring(n,n+e.length)==e?n:this.match_bitap_(t,e,n):-1},r.prototype.match_bitap_=function(t,e,n){if(e.length>this.Match_MaxBits)throw new Error("Pattern too long for this browser.");var r=this.match_alphabet_(e),i=this;function o(t,r){var o=t/e.length,s=Math.abs(n-r);return i.Match_Distance?o+s/i.Match_Distance:s?1:o}var s=this.Match_Threshold,a=t.indexOf(e,n);-1!=a&&(s=Math.min(o(0,a),s),-1!=(a=t.lastIndexOf(e,n+e.length))&&(s=Math.min(o(0,a),s)));var f,c,h=1<<e.length-1;a=-1;for(var l,u=e.length+t.length,g=0;g<e.length;g++){for(f=0,c=u;f<c;)o(g,n+c)<=s?f=c:u=c,c=Math.floor((u-f)/2+f);u=c;var p=Math.max(1,n-c+1),d=Math.min(n+c,t.length)+e.length,v=Array(d+2);v[d+1]=(1<<g)-1;for(var _=d;_>=p;_--){var b=r[t.charAt(_-1)];if(v[_]=0===g?(v[_+1]<<1|1)&b:(v[_+1]<<1|1)&b|(l[_+1]|l[_])<<1|1|l[_+1],v[_]&h){var y=o(g,_-1);if(y<=s){if(s=y,!((a=_-1)>n))break;p=Math.max(1,2*n-a)}}}if(o(g+1,n)>s)break;l=v}return a},r.prototype.match_alphabet_=function(t){for(var e={},n=0;n<t.length;n++)e[t.charAt(n)]=0;for(n=0;n<t.length;n++)e[t.charAt(n)]|=1<<t.length-n-1;return e},r.prototype.patch_addContext_=function(t,e){if(0!=e.length){for(var n=e.substring(t.start2,t.start2+t.length1),r=0;e.indexOf(n)!=e.lastIndexOf(n)&&n.length<this.Match_MaxBits-this.Patch_Margin-this.Patch_Margin;)r+=this.Patch_Margin,n=e.substring(t.start2-r,t.start2+t.length1+r);r+=this.Patch_Margin;var i=e.substring(t.start2-r,t.start2);i&&t.diffs.unshift([0,i]);var o=e.substring(t.start2+t.length1,t.start2+t.length1+r);o&&t.diffs.push([0,o]),t.start1-=i.length,t.start2-=i.length,t.length1+=i.length+o.length,t.length2+=i.length+o.length}},r.prototype.patch_make=function(t,e,n){var i,o;if("string"==typeof t&&"string"==typeof e&&void 0===n)i=t,(o=this.diff_main(i,e,!0)).length>2&&(this.diff_cleanupSemantic(o),this.diff_cleanupEfficiency(o));else if(t&&"object"==typeof t&&void 0===e&&void 0===n)o=t,i=this.diff_text1(o);else if("string"==typeof t&&e&&"object"==typeof e&&void 0===n)i=t,o=e;else{if("string"!=typeof t||"string"!=typeof e||!n||"object"!=typeof n)throw new Error("Unknown call format to patch_make.");i=t,o=n}if(0===o.length)return[];for(var s=[],a=new r.patch_obj,f=0,c=0,h=0,l=i,u=i,g=0;g<o.length;g++){var p=o[g][0],d=o[g][1];switch(f||0===p||(a.start1=c,a.start2=h),p){case 1:a.diffs[f++]=o[g],a.length2+=d.length,u=u.substring(0,h)+d+u.substring(h);break;case-1:a.length1+=d.length,a.diffs[f++]=o[g],u=u.substring(0,h)+u.substring(h+d.length);break;case 0:d.length<=2*this.Patch_Margin&&f&&o.length!=g+1?(a.diffs[f++]=o[g],a.length1+=d.length,a.length2+=d.length):d.length>=2*this.Patch_Margin&&f&&(this.patch_addContext_(a,l),s.push(a),a=new r.patch_obj,f=0,l=u,c=h)}1!==p&&(c+=d.length),-1!==p&&(h+=d.length)}return f&&(this.patch_addContext_(a,l),s.push(a)),s},r.prototype.patch_deepCopy=function(t){for(var e=[],n=0;n<t.length;n++){var i=t[n],o=new r.patch_obj;o.diffs=[];for(var s=0;s<i.diffs.length;s++)o.diffs[s]=i.diffs[s].slice();o.start1=i.start1,o.start2=i.start2,o.length1=i.length1,o.length2=i.length2,e[n]=o}return e},r.prototype.patch_apply=function(t,e){if(0==t.length)return[e,[]];t=this.patch_deepCopy(t);var n=this.patch_addPadding(t);e=n+e+n,this.patch_splitMax(t);for(var r=0,i=[],o=0;o<t.length;o++){var s,a,f=t[o].start2+r,c=this.diff_text1(t[o].diffs),h=-1;if(c.length>this.Match_MaxBits?-1!=(s=this.match_main(e,c.substring(0,this.Match_MaxBits),f))&&(-1==(h=this.match_main(e,c.substring(c.length-this.Match_MaxBits),f+c.length-this.Match_MaxBits))||s>=h)&&(s=-1):s=this.match_main(e,c,f),-1==s)i[o]=!1,r-=t[o].length2-t[o].length1;else if(i[o]=!0,r=s-f,c==(a=-1==h?e.substring(s,s+c.length):e.substring(s,h+this.Match_MaxBits)))e=e.substring(0,s)+this.diff_text2(t[o].diffs)+e.substring(s+c.length);else{var l=this.diff_main(c,a,!1);if(c.length>this.Match_MaxBits&&this.diff_levenshtein(l)/c.length>this.Patch_DeleteThreshold)i[o]=!1;else{this.diff_cleanupSemanticLossless(l);for(var u,g=0,p=0;p<t[o].diffs.length;p++){var d=t[o].diffs[p];0!==d[0]&&(u=this.diff_xIndex(l,g)),1===d[0]?e=e.substring(0,s+u)+d[1]+e.substring(s+u):-1===d[0]&&(e=e.substring(0,s+u)+e.substring(s+this.diff_xIndex(l,g+d[1].length))),-1!==d[0]&&(g+=d[1].length)}}}}return[e=e.substring(n.length,e.length-n.length),i]},r.prototype.patch_addPadding=function(t){for(var e=this.Patch_Margin,n="",r=1;r<=e;r++)n+=String.fromCharCode(r);for(r=0;r<t.length;r++)t[r].start1+=e,t[r].start2+=e;var i=t[0],o=i.diffs;if(0==o.length||0!=o[0][0])o.unshift([0,n]),i.start1-=e,i.start2-=e,i.length1+=e,i.length2+=e;else if(e>o[0][1].length){var s=e-o[0][1].length;o[0][1]=n.substring(o[0][1].length)+o[0][1],i.start1-=s,i.start2-=s,i.length1+=s,i.length2+=s}if(0==(o=(i=t[t.length-1]).diffs).length||0!=o[o.length-1][0])o.push([0,n]),i.length1+=e,i.length2+=e;else if(e>o[o.length-1][1].length){s=e-o[o.length-1][1].length;o[o.length-1][1]+=n.substring(0,s),i.length1+=s,i.length2+=s}return n},r.prototype.patch_splitMax=function(t){for(var e=this.Match_MaxBits,n=0;n<t.length;n++)if(!(t[n].length1<=e)){var i=t[n];t.splice(n--,1);for(var o=i.start1,s=i.start2,a="";0!==i.diffs.length;){var f=new r.patch_obj,c=!0;for(f.start1=o-a.length,f.start2=s-a.length,""!==a&&(f.length1=f.length2=a.length,f.diffs.push([0,a]));0!==i.diffs.length&&f.length1<e-this.Patch_Margin;){var h=i.diffs[0][0],l=i.diffs[0][1];1===h?(f.length2+=l.length,s+=l.length,f.diffs.push(i.diffs.shift()),c=!1):-1===h&&1==f.diffs.length&&0==f.diffs[0][0]&&l.length>2*e?(f.length1+=l.length,o+=l.length,c=!1,f.diffs.push([h,l]),i.diffs.shift()):(l=l.substring(0,e-f.length1-this.Patch_Margin),f.length1+=l.length,o+=l.length,0===h?(f.length2+=l.length,s+=l.length):c=!1,f.diffs.push([h,l]),l==i.diffs[0][1]?i.diffs.shift():i.diffs[0][1]=i.diffs[0][1].substring(l.length))}a=(a=this.diff_text2(f.diffs)).substring(a.length-this.Patch_Margin);var u=this.diff_text1(i.diffs).substring(0,this.Patch_Margin);""!==u&&(f.length1+=u.length,f.length2+=u.length,0!==f.diffs.length&&0===f.diffs[f.diffs.length-1][0]?f.diffs[f.diffs.length-1][1]+=u:f.diffs.push([0,u])),c||t.splice(++n,0,f)}}},r.prototype.patch_toText=function(t){for(var e=[],n=0;n<t.length;n++)e[n]=t[n];return e.join("")},r.prototype.patch_fromText=function(t){var e=[];if(!t)return e;for(var n=t.split("\n"),i=0,o=/^@@ -(\d+),?(\d*) 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