var PR_keywords = {};
(function () {
  var CPP_KEYWORDS = "abstract bool break case catch char class const " +
    "const_cast continue default delete deprecated dllexport dllimport do " +
    "double dynamic_cast else enum explicit extern false float for friend " +
    "goto if inline int long mutable naked namespace new noinline noreturn " +
    "nothrow novtable operator private property protected public register " +
    "reinterpret_cast return selectany short signed sizeof static " +
    "static_cast struct switch template this thread throw true try typedef " +
    "typeid typename union unsigned using declaration, directive uuid " +
    "virtual void volatile while typeof";
  var CSHARP_KEYWORDS = "as base by byte checked decimal delegate descending " +
    "event finally fixed foreach from group implicit in interface internal " +
    "into is lock null object out override orderby params readonly ref sbyte " +
    "sealed stackalloc string select uint ulong unchecked unsafe ushort var";
  var JAVA_KEYWORDS = "package synchronized boolean implements import throws " +
    "instanceof transient extends final strictfp native super";
  var JSCRIPT_KEYWORDS = "debugger export function with NaN Infinity";
  var PERL_KEYWORDS = "require sub unless until use elsif BEGIN END";
  var PYTHON_KEYWORDS = "and assert def del elif except exec global lambda " +
    "not or pass print raise yield False True None";
  var RUBY_KEYWORDS = "then end begin rescue ensure module when undef next " +
    "redo retry alias defined";
  var SH_KEYWORDS = "done fi";
  var KEYWORDS = [CPP_KEYWORDS, CSHARP_KEYWORDS, JAVA_KEYWORDS,
                  JSCRIPT_KEYWORDS, PERL_KEYWORDS, PYTHON_KEYWORDS,
                  RUBY_KEYWORDS, SH_KEYWORDS];
  for (var k = 0; k < KEYWORDS.length; k++) {
    var kw = KEYWORDS[k].split(' ');
    for (var i = 0; i < kw.length; i++) {
      if (kw[i]) { PR_keywords[kw[i]] = true; }
    }
  }
}).call(this);
var PR_STRING = 'str';
var PR_KEYWORD = 'kwd';
var PR_COMMENT = 'com';
var PR_TYPE = 'typ';
var PR_LITERAL = 'lit';
var PR_PUNCTUATION = 'pun';
var PR_PLAIN = 'pln';
var PR_TAG = 'tag';
var PR_DECLARATION = 'dec';
var PR_SOURCE = 'src';
var PR_ATTRIB_NAME = 'atn';
var PR_ATTRIB_VALUE = 'atv';
var PR_TAB_WIDTH = 8;
function PR_isWordChar(ch) {
  return (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z');
}
function PR_spliceArrayInto(
    inserted, container, containerPosition, countReplaced) {
  inserted.unshift(containerPosition, countReplaced || 0);
  try {
    container.splice.apply(container, inserted);
  } finally {
    inserted.splice(0, 2);
  }
}
var REGEXP_PRECEDER_PATTERN = (function () {
    var preceders = [
        "!", "!=", "!==", "#", "%", "%=", "&", "&&", "&&=",
        "&=", "(", "*", "*=", /* "+", */ "+=", ",", /* "-", */ "-=",
        "->", /*".", "..", "...", handled below */ "/", "/=", ":", "::", ";",
        "<", "<<", "<<=", "<=", "=", "==", "===", ">",
        ">=", ">>", ">>=", ">>>", ">>>=", "?", "@", "[",
        "^", "^=", "^^", "^^=", "{", "|", "|=", "||",
        "||=", "~", "break", "case", "continue", "delete",
        "do", "else", "finally", "instanceof",
        "return", "throw", "try", "typeof"
        ];
    var pattern = '(?:' +
      '(?:(?:^|[^0-9\.])\\.{1,3})|' +  // a dot that's not part of a number
      '(?:(?:^|[^\\+])\\+)|' +  // allow + but not ++
      '(?:(?:^|[^\\-])-)'  // allow - but not --
      ;
    for (var i = 0; i < preceders.length; ++i) {
      var preceder = preceders[i];
      if (PR_isWordChar(preceder.charAt(0))) {
        pattern += '|\\b' + preceder;
      } else {
        pattern += '|' + preceder.replace(/([^=<>:&])/g, '\\$1');
      }
    }
    pattern += '|^)\\s*$';  // matches at end, and matches empty string
    return new RegExp(pattern);
  })();
var pr_amp = /&/g;
var pr_lt = /</g;
var pr_gt = />/g;
var pr_quot = /\"/g;
/** like textToHtml but escapes double quotes to be attribute safe. */
function PR_attribToHtml(str) {
  return str.replace(pr_amp, '&amp;')
    .replace(pr_lt, '&lt;')
    .replace(pr_gt, '&gt;')
    .replace(pr_quot, '&quot;');
}
/** escapest html special characters to html. */
function PR_textToHtml(str) {
  return str.replace(pr_amp, '&amp;')
    .replace(pr_lt, '&lt;')
    .replace(pr_gt, '&gt;');
}
var pr_ltEnt = /&lt;/g;
var pr_gtEnt = /&gt;/g;
var pr_aposEnt = /&apos;/g;
var pr_quotEnt = /&quot;/g;
var pr_ampEnt = /&amp;/g;
/** unescapes html to plain text. */
function PR_htmlToText(html) {
  var pos = html.indexOf('&');
  if (pos < 0) { return html; }
  for (--pos; (pos = html.indexOf('&#', pos + 1)) >= 0;) {
    var end = html.indexOf(';', pos);
    if (end >= 0) {
      var num = html.substring(pos + 3, end);
      var radix = 10;
      if (num && num.charAt(0) == 'x') {
        num = num.substring(1);
        radix = 16;
      }
      var codePoint = parseInt(num, radix);
      if (!isNaN(codePoint)) {
        html = (html.substring(0, pos) + String.fromCharCode(codePoint) +
                html.substring(end + 1));
      }
    }
  }
  return html.replace(pr_ltEnt, '<')
    .replace(pr_gtEnt, '>')
    .replace(pr_aposEnt, "'")
    .replace(pr_quotEnt, '"')
    .replace(pr_ampEnt, '&');
}
function PR_isRawContent(node) {
  return 'XMP' == node.tagName;
}
var PR_innerHtmlWorks = null;
function PR_getInnerHtml(node) {
  if (null === PR_innerHtmlWorks) {
    var testNode = document.createElement('PRE');
    testNode.appendChild(
        document.createTextNode('<!DOCTYPE foo PUBLIC "foo bar">\n<foo />'));
    PR_innerHtmlWorks = !/</.test(testNode.innerHTML);
  }
  if (PR_innerHtmlWorks) {
    var content = node.innerHTML;
    // XMP tags contain unescaped entities so require special handling.
    if (PR_isRawContent(node)) {
      content = PR_textToHtml(content);
    }
    return content;
  }
  var out = [];
  for (var child = node.firstChild; child; child = child.nextSibling) {
    PR_normalizedHtml(child, out);
  }
  return out.join('');
}
function PR_normalizedHtml(node, out) {
  switch (node.nodeType) {
    case 1:  // an element
      var name = node.tagName.toLowerCase();
      out.push('\074', name);
      for (var i = 0; i < node.attributes.length; ++i) {
        var attr = node.attributes[i];
        if (!attr.specified) { continue; }
        out.push(' ');
        PR_normalizedHtml(attr, out);
      }
      out.push('>');
      for (var child = node.firstChild; child; child = child.nextSibling) {
        PR_normalizedHtml(child, out);
      }
      if (node.firstChild || !/^(?:br|link|img)$/.test(name)) {
        out.push('<\/', name, '>');
      }
      break;
    case 2: // an attribute
      out.push(node.name.toLowerCase(), '="', PR_attribToHtml(node.value), '"');
      break;
    case 3: case 4: // text
      out.push(PR_textToHtml(node.nodeValue));
      break;
  }
}
function PR_tabExpander(tabWidth) {
  var SPACES = '                ';
  var charInLine = 0;
  return function (plainText) {
    var out = null;
    var pos = 0;
    for (var i = 0, n = plainText.length; i < n; ++i) {
      var ch = plainText.charAt(i);
      switch (ch) {
        case '\t':
          if (!out) { out = []; }
          out.push(plainText.substring(pos, i));
          // calculate how much space we need in front of this part
          // nSpaces is the amount of padding -- the number of spaces needed to
          // move us to the next column, where columns occur at factors of
          // tabWidth.
          var nSpaces = tabWidth - (charInLine % tabWidth);
          charInLine += nSpaces;
          for (; nSpaces >= 0; nSpaces -= SPACES.length) {
            out.push(SPACES.substring(0, nSpaces));
          }
          pos = i + 1;
          break;
        case '\n':
          charInLine = 0;
          break;
        default:
          ++charInLine;
      }
    }
    if (!out) { return plainText; }
    out.push(plainText.substring(pos));
    return out.join('');
  };
}
var pr_chunkPattern =
  /(?:[^<]+|<!--[\s\S]*?-->|<!\[CDATA\[([\s\S]*?)\]\]>|<\/?[a-zA-Z][^>]*>|<)/g;
var pr_commentPrefix = /^<!--/;
var pr_cdataPrefix = /^<\[CDATA\[/;
var pr_brPrefix = /^<br\b/i;
function PR_extractTags(s) {
  var matches = s.match(pr_chunkPattern);
  var sourceBuf = [];
  var sourceBufLen = 0;
  var extractedTags = [];
  if (matches) {
    for (var i = 0, n = matches.length; i < n; ++i) {
      var match = matches[i];
      if (match.length > 1 && match.charAt(0) === '<') {
        if (pr_commentPrefix.test(match)) { continue; }
        if (pr_cdataPrefix.test(match)) {
          // strip CDATA prefix and suffix.  Don't unescape since it's CDATA
          sourceBuf.push(match.substring(9, match.length - 3));
          sourceBufLen += match.length - 12;
        } else if (pr_brPrefix.test(match)) {
          // <br> tags are lexically significant so convert them to text.
          // This is undone later.
          // <br> tags are lexically significant 
          sourceBuf.push('\n');
          sourceBufLen += 1;
        } else {
          extractedTags.push(sourceBufLen, match);
        }
      } else {
        var literalText = PR_htmlToText(match);
        sourceBuf.push(literalText);
        sourceBufLen += literalText.length;
      }
    }
  }
  return { source: sourceBuf.join(''), tags: extractedTags };
}
function PR_createSimpleLexer(shortcutStylePatterns,
                              fallthroughStylePatterns) {
  var shortcuts = {};
  (function () {
    var allPatterns = shortcutStylePatterns.concat(fallthroughStylePatterns);
    for (var i = allPatterns.length; --i >= 0;) {
      var patternParts = allPatterns[i];
      var shortcutChars = patternParts[3];
      if (shortcutChars) {
        for (var c = shortcutChars.length; --c >= 0;) {
          shortcuts[shortcutChars.charAt(c)] = patternParts;
        }
      }
    }
  })();
  var nPatterns = fallthroughStylePatterns.length;
  return function (sourceCode, opt_basePos) {
    opt_basePos = opt_basePos || 0;
    var decorations = [opt_basePos, PR_PLAIN];
    var lastToken = '';
    var pos = 0;  // index into sourceCode
    var tail = sourceCode;
    while (tail.length) {
      var style;
      var token = null;
      var patternParts = shortcuts[tail.charAt(0)];
      if (patternParts) {
        var match = tail.match(patternParts[1]);
        token = match[0];
        style = patternParts[0];
      } else {
        for (var i = 0; i < nPatterns; ++i) {
          patternParts = fallthroughStylePatterns[i];
          var contextPattern = patternParts[2];
          if (contextPattern && !contextPattern.test(lastToken)) {
            // rule can't be used
            continue;
          }
          var match = tail.match(patternParts[1]);
          if (match) {
            token = match[0];
            style = patternParts[0];
            break;
          }
        }
        if (!token) {  // make sure that we make progress
          style = PR_PLAIN;
          token = tail.substring(0, 1);
        }
      }
      decorations.push(opt_basePos + pos, style);
      pos += token.length;
      tail = tail.substring(token.length);
      if (style !== PR_COMMENT && /\S/.test(token)) { lastToken = token; }
    }
    return decorations;
  };
}
var PR_C_STYLE_STRING_AND_COMMENT_LEXER = PR_createSimpleLexer([
    [PR_STRING,  /^\'(?:[^\\\']|\\[\s\S])*(?:\'|$)/, null, "'"],
    [PR_STRING,  /^\"(?:[^\\\"]|\\[\s\S])*(?:\"|$)/, null, '"'],
    [PR_STRING,  /^\`(?:[^\\\`]|\\[\s\S])*(?:\`|$)/, null, '`']
    ], [
    [PR_PLAIN,   /^(?:[^\'\"\`\/\#]+)/, null, ' \r\n'],
    [PR_COMMENT, /^#[^\r\n]*/, null, '#'],
    [PR_COMMENT, /^\/\/[^\r\n]*/, null],
    [PR_STRING,  /^\/(?:[^\\\*\/]|\\[\s\S])+(?:\/|$)/, REGEXP_PRECEDER_PATTERN],
    [PR_COMMENT, /^\/\*[\s\S]*?(?:\*\/|$)/, null]
    ]);
function PR_splitStringAndCommentTokens(sourceCode) {
  return PR_C_STYLE_STRING_AND_COMMENT_LEXER(sourceCode);
}
var PR_C_STYLE_LITERAL_IDENTIFIER_PUNC_RECOGNIZER = PR_createSimpleLexer([], [
    [PR_PLAIN,       /^\s+/, null, ' \r\n'],
    // TODO(mikesamuel): recognize non-latin letters and numerals in identifiers
    [PR_PLAIN,       /^[a-z_$@][a-z_$@0-9]*/i, null],
    // A hex number
    [PR_LITERAL,     /^0x[a-f0-9]+[a-z]/i, null],
    // An octal or decimal number, possibly in scientific notation
    [PR_LITERAL,     /^(?:\d(?:_\d+)*\d*(?:\.\d*)?|\.\d+)(?:e[+-]?\d+)?[a-z]*/i,
     null, '123456789'],
    [PR_PUNCTUATION, /^[^\s\w\.$@]+/, null]
    // Fallback will handle decimal points not adjacent to a digit
    ]);
    
function PR_splitNonStringNonCommentTokens(source, decorations) {
  for (var i = 0; i < decorations.length; i += 2) {
    var style = decorations[i + 1];
    if (style === PR_PLAIN) {
      var start = decorations[i];
      var end = i + 2 < decorations.length ? decorations[i + 2] : source.length;
      var chunk = source.substring(start, end);
      var subDecs = PR_C_STYLE_LITERAL_IDENTIFIER_PUNC_RECOGNIZER(chunk, start);
      for (var j = 0, m = subDecs.length; j < m; j += 2) {
        var subStyle = subDecs[j + 1];
        if (subStyle === PR_PLAIN) {
          var subStart = subDecs[j];
          var subEnd = j + 2 < m ? subDecs[j + 2] : chunk.length;
          var token = source.substring(subStart, subEnd);
          if (token == '.') {
            subDecs[j + 1] = PR_PUNCTUATION;
          } else if (token in PR_keywords) {
            subDecs[j + 1] = PR_KEYWORD;
          } else if (/^@?[A-Z][A-Z$]*[a-z][A-Za-z$]*$/.test(token)) {
            // classify types and annotations using Java's style conventions
            subDecs[j + 1] = token.charAt(0) == '@' ? PR_LITERAL : PR_TYPE;
          }
        }
      }
      PR_spliceArrayInto(subDecs, decorations, i, 2);
      i += subDecs.length - 2;
    }
  }
  return decorations;
}
var PR_MARKUP_LEXER = PR_createSimpleLexer([], [
    [PR_PLAIN,       /^[^<]+/, null],
    [PR_DECLARATION, /^<!\w[^>]*(?:>|$)/, null],
    [PR_COMMENT,     /^<!--[\s\S]*?(?:-->|$)/, null],
    [PR_SOURCE,      /^<\?[\s\S]*?(?:\?>|$)/, null],
    [PR_SOURCE,      /^<%[\s\S]*?(?:%>|$)/, null],
    [PR_SOURCE,
     // Tags whose content is not escaped, and which contain source code.
     /^<(script|style|xmp)\b[^>]*>[\s\S]*?<\/\1\b[^>]*>/i, null],
    [PR_TAG,         /^<\/?\w[^<>]*>/, null]
    ]);
var PR_SOURCE_CHUNK_PARTS = /^(<[^>]*>)([\s\S]*)(<\/[^>]*>)$/;
function PR_tokenizeMarkup(source) {
  var decorations = PR_MARKUP_LEXER(source);
  for (var i = 0; i < decorations.length; i += 2) {
    if (decorations[i + 1] === PR_SOURCE) {
      var start = decorations[i];
      var end = i + 2 < decorations.length ? decorations[i + 2] : source.length;
      // Split out start and end script tags as actual tags, and leave the body
      // with style SCRIPT.
      var sourceChunk = source.substring(start, end);
      var match = (sourceChunk.match(PR_SOURCE_CHUNK_PARTS)
                   //|| sourceChunk.match(/^(<[?%])([\s\S]*)([?%]>)$/)
                   );
      if (match) {
        decorations.splice(
            i, 2,
            start, PR_TAG,  // the open chunk
            start + match[1].length, PR_SOURCE,
            start + match[1].length + (match[2] || '').length, PR_TAG);
      }
    }
  }
  return decorations;
}
var PR_TAG_LEXER = PR_createSimpleLexer([
    [PR_ATTRIB_VALUE, /^\'[^\']*(?:\'|$)/, null, "'"],
    [PR_ATTRIB_VALUE, /^\"[^\"]*(?:\"|$)/, null, '"'],
    [PR_PUNCTUATION,  /^[<>\/=]+/, null, '<>/=']
    ], [
    [PR_TAG,          /^[\w-]+/, /^</],
    [PR_ATTRIB_VALUE, /^[\w-]+/, /^=/], 
    [PR_ATTRIB_NAME,  /^[\w-]+/, null], 
    [PR_PLAIN,        /^\s+/, null, ' \r\n']
    ]);
function PR_splitTagAttributes(source, decorations) {
  for (var i = 0; i < decorations.length; i += 2) {
    var style = decorations[i + 1];
    if (style === PR_TAG) {
      var start = decorations[i];
      var end = i + 2 < decorations.length ? decorations[i + 2] : source.length;
      var chunk = source.substring(start, end);
      var subDecorations = PR_TAG_LEXER(chunk, start);
      PR_spliceArrayInto(subDecorations, decorations, i, 2);
      i += subDecorations.length - 2;
    }
  }
  return decorations;
}
function PR_splitSourceNodes(source, decorations) {
  for (var i = 0; i < decorations.length; i += 2) {
    var style = decorations[i + 1];
    if (style == PR_SOURCE) {
      // Recurse using the non-markup lexer
      var start = decorations[i];
      var end = i + 2 < decorations.length ? decorations[i + 2] : source.length;
      var subDecorations = PR_decorateSource(source.substring(start, end));
      for (var j = 0, m = subDecorations.length; j < m; j += 2) {
        subDecorations[j] += start;
      }
      PR_spliceArrayInto(subDecorations, decorations, i, 2);
      i += subDecorations.length - 2;
    }
  }
  return decorations;
}
function PR_splitSourceAttributes(source, decorations) {
  var nextValueIsSource = false;
  for (var i = 0; i < decorations.length; i += 2) {
    var style = decorations[i + 1];
    if (style === PR_ATTRIB_NAME) {
      var start = decorations[i];
      var end = i + 2 < decorations.length ? decorations[i + 2] : source.length;
      nextValueIsSource = /^on|^style$/i.test(source.substring(start, end));
    } else if (style == PR_ATTRIB_VALUE) {
      if (nextValueIsSource) {
        var start = decorations[i];
        var end
            = i + 2 < decorations.length ? decorations[i + 2] : source.length;
        var attribValue = source.substring(start, end);
        var attribLen = attribValue.length;
        var quoted =
            (attribLen >= 2 && /^[\"\']/.test(attribValue) &&
             attribValue.charAt(0) === attribValue.charAt(attribLen - 1));
        var attribSource;
        var attribSourceStart;
        var attribSourceEnd;
        if (quoted) {
          attribSourceStart = start + 1;
          attribSourceEnd = end - 1;
          attribSource = attribValue;
        } else {
          attribSourceStart = start + 1;
          attribSourceEnd = end - 1;
          attribSource = attribValue.substring(1, attribValue.length - 1);
        }
        var attribSourceDecorations = PR_decorateSource(attribSource);
        for (var j = 0, m = attribSourceDecorations.length; j < m; j += 2) {
          attribSourceDecorations[j] += attribSourceStart;
        }
        if (quoted) {
          attribSourceDecorations.push(attribSourceEnd, PR_ATTRIB_VALUE);
          PR_spliceArrayInto(attribSourceDecorations, decorations, i + 2, 0);
        } else {
          PR_spliceArrayInto(attribSourceDecorations, decorations, i, 2);
        }
      }
      nextValueIsSource = false;
    }
  }
  return decorations;
}
function PR_decorateSource(sourceCode) {
  var decorations = PR_splitStringAndCommentTokens(sourceCode);
  
  decorations = PR_splitNonStringNonCommentTokens(sourceCode, decorations);
  
  return decorations;
}
function PR_decorateMarkup(sourceCode) {
  var decorations = PR_tokenizeMarkup(sourceCode);
  decorations = PR_splitTagAttributes(sourceCode, decorations);
  decorations = PR_splitSourceNodes(sourceCode, decorations);
  decorations = PR_splitSourceAttributes(sourceCode, decorations);
  return decorations;
}
function PR_recombineTagsAndDecorations(
    sourceText, extractedTags, decorations) {
  var html = [];
  var outputIdx = 0;  // index past the last char in sourceText written to html
  var openDecoration = null;
  var currentDecoration = null;
  var tagPos = 0;  // index into extractedTags
  var decPos = 0;  // index into decorations
  var tabExpander = PR_tabExpander(PR_TAB_WIDTH);
  function emitTextUpTo(sourceIdx) {
    if (sourceIdx > outputIdx) {
      if (openDecoration && openDecoration !== currentDecoration) {
        // Close the current decoration
        html.push('</span>');
        openDecoration = null;
      }
      if (!openDecoration && currentDecoration) {
        openDecoration = currentDecoration;
        html.push('<span class="', openDecoration, '">');
      }
      var htmlChunk = PR_textToHtml(
          tabExpander(sourceText.substring(outputIdx, sourceIdx)))
          .replace(/(\r\n?|\n| ) /g, '$1&nbsp;')
          .replace(/\r\n?|\n/g, '<br>');
      html.push(htmlChunk);
      outputIdx = sourceIdx;
    }
  }
  while (true) {
    var outputTag;
    if (tagPos < extractedTags.length) {
      if (decPos < decorations.length) {
        outputTag = extractedTags[tagPos] <= decorations[decPos];
      } else {
        outputTag = true;
      }
    } else {
      outputTag = false;
    }
    if (outputTag) {
      emitTextUpTo(extractedTags[tagPos]);
      if (openDecoration) {
        // Close the current decoration
        html.push('</span>');
        openDecoration = null;
      } 
      html.push(extractedTags[tagPos + 1]);
      tagPos += 2;
    } else if (decPos < decorations.length) {
      emitTextUpTo(decorations[decPos]);
      currentDecoration = decorations[decPos + 1];
      decPos += 2;
    } else {
      break;
    }
  }
  emitTextUpTo(sourceText.length);
  if (openDecoration) {
    html.push('</span>');
  }
  return html.join('');
}
function prettyPrintOne(sourceCodeHtml) {
  try {
    var sourceAndExtractedTags = PR_extractTags(sourceCodeHtml);
    var source = sourceAndExtractedTags.source;
    var extractedTags = sourceAndExtractedTags.tags;
    var isMarkup = /^\s*</.test(source) && />\s*$/.test(source);
    var decorations = isMarkup
        ? PR_decorateMarkup(source)
        : PR_decorateSource(source);
    return PR_recombineTagsAndDecorations(source, extractedTags, decorations);
  } catch (e) {
    if ('console' in window) {
      console.log(e);
      console.trace();
    }
    return sourceCodeHtml;
  }
}
var PR_SHOULD_USE_CONTINUATION = true;
function prettyPrint(opt_whenDone) {
  var codeSegments = [
      document.getElementsByTagName('pre'),
      document.getElementsByTagName('code'),
      document.getElementsByTagName('xmp') ];
  var elements = [];
  for (var i = 0; i < codeSegments.length; ++i) {
    for (var j = 0; j < codeSegments[i].length; ++j) {
      elements.push(codeSegments[i][j]);
    }
  }
  codeSegments = null;
  var k = 0;
  function doWork() {
    var endTime = (PR_SHOULD_USE_CONTINUATION
                   ? new Date().getTime() + 250
                   : Infinity);
    for (; k < elements.length && new Date().getTime() < endTime; k++) {
      var cs = elements[k];
      if (cs.className && cs.className.indexOf('prettyprint') >= 0) {
        var nested = false;
        for (var p = cs.parentNode; p != null; p = p.parentNode) {
          if ((p.tagName == 'pre' || p.tagName == 'code' ||
               p.tagName == 'xmp') &&
              p.className && p.className.indexOf('prettyprint') >= 0) {
            nested = true;
            break;
          }
        }
        if (!nested) {
          var content = PR_getInnerHtml(cs);
          content = content.replace(/(?:\r\n?|\n)$/, '');
          var newContent = prettyPrintOne(content);
          if (!PR_isRawContent(cs)) {
            cs.innerHTML = newContent;
          } else {
            var pre = document.createElement('PRE');
            for (var i = 0; i < cs.attributes.length; ++i) {
              var a = cs.attributes[i];
              if (a.specified) {
                pre.setAttribute(a.name, a.value);
              }
            }
            pre.innerHTML = newContent;
            // remove the old
            cs.parentNode.replaceChild(pre, cs);
          }
        }
      }
    }
    if (k < elements.length) {
      setTimeout(doWork, 250);
    } else if (opt_whenDone) {
      opt_whenDone();
    }
  }
  doWork();
}