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DIFF_DELETE=-1,DIFF_INSERT=1,DIFF_EQUAL=0;diff_match_patch.Diff,diff_match_patch.prototype.diff_main=function(t,e,n,r){"undefined"==typeof r&&(r=this.Diff_Timeout<=0?Number.MAX_VALUE:(new Date).getTime()+1e3*this.Diff_Timeout);var i=r;if(null==t||null==e)throw new Error("Null input. 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n=0,r=Math.min(t.length,e.length),i=r,a=0;i>n;)t.substring(t.length-i,t.length-a)==e.substring(e.length-i,e.length-a)?(n=i,a=n):r=i,i=Math.floor((r-n)/2+n);return i},diff_match_patch.prototype.diff_commonOverlap_=function(t,e){var n=t.length,r=e.length;if(0==n||0==r)return 0;n>r?t=t.substring(n-r):r>n&&(e=e.substring(0,n));var i=Math.min(n,r);if(t==e)return i;for(var a=0,o=1;;){var s=t.substring(i-o),l=e.indexOf(s);if(-1==l)return a;o+=l,(0==l||t.substring(i-o)==e.substring(0,o))&&(a=o,o++)}},diff_match_patch.prototype.diff_halfMatch_=function(t,e){function n(t,e,n){for(var r,i,a,s,l=t.substring(n,n+Math.floor(t.length/4)),c=-1,u="";-1!=(c=e.indexOf(l,c+1));){var h=o.diff_commonPrefix(t.substring(n),e.substring(c)),f=o.diff_commonSuffix(t.substring(0,n),e.substring(0,c));u.length=t.length?[r,i,a,s,u]:null}if(this.Diff_Timeout<=0)return null;var r=t.length>e.length?t:e,i=t.length>e.length?e:t;if(r.length<4||2*i.lengthl[4].length?s:l:s;var c,u,h,f;t.length>e.length?(c=a[0],u=a[1],h=a[2],f=a[3]):(h=a[0],f=a[1],c=a[2],u=a[3]);var d=a[4];return[c,u,h,f,d]},diff_match_patch.prototype.diff_cleanupSemantic=function(t){for(var e=!1,n=[],r=0,i=null,a=0,o=0,s=0,l=0,c=0;a0?n[r-1]:-1,o=0,s=0,l=0,c=0,i=null,e=!0)),a++;for(e&&this.diff_cleanupMerge(t),this.diff_cleanupSemanticLossless(t),a=1;a=d?(f>=u.length/2||f>=h.length/2)&&(t.splice(a,0,[DIFF_EQUAL,h.substring(0,f)]),t[a-1][1]=u.substring(0,u.length-f),t[a+1][1]=h.substring(f),a++):(d>=u.length/2||d>=h.length/2)&&(t.splice(a,0,[DIFF_EQUAL,u.substring(0,d)]),t[a-1][0]=DIFF_INSERT,t[a-1][1]=h.substring(0,h.length-d),t[a+1][0]=DIFF_DELETE,t[a+1][1]=u.substring(d),a++),a++}a++}},diff_match_patch.prototype.diff_cleanupSemanticLossless=function(t){function e(t,e){if(!t||!e)return 6;var n=t.charAt(t.length-1),r=e.charAt(0),i=n.match(diff_match_patch.nonAlphaNumericRegex_),a=r.match(diff_match_patch.nonAlphaNumericRegex_),o=i&&n.match(diff_match_patch.whitespaceRegex_),s=a&&r.match(diff_match_patch.whitespaceRegex_),l=o&&n.match(diff_match_patch.linebreakRegex_),c=s&&r.match(diff_match_patch.linebreakRegex_),u=l&&t.match(diff_match_patch.blanklineEndRegex_),h=c&&e.match(diff_match_patch.blanklineStartRegex_);return u||h?5:l||c?4:i&&!o&&s?3:o||s?2:i||a?1:0}for(var n=1;n=h&&(h=f,l=r,c=i,u=a)}t[n-1][1]!=l&&(l?t[n-1][1]=l:(t.splice(n-1,1),n--),t[n][1]=c,u?t[n+1][1]=u:(t.splice(n+1,1),n--))}n++}},diff_match_patch.nonAlphaNumericRegex_=/[^a-zA-Z0-9]/,diff_match_patch.whitespaceRegex_=/\s/,diff_match_patch.linebreakRegex_=/[\r\n]/,diff_match_patch.blanklineEndRegex_=/\n\r?\n$/,diff_match_patch.blanklineStartRegex_=/^\r?\n\r?\n/,diff_match_patch.prototype.diff_cleanupEfficiency=function(t){for(var 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