anchor.diff:  
     }
   
  -
  -
     void generateLibrary(LibraryElement library) {
       File f = joinFile(new Directory(out.path), [getFileNameFor(library)]);
       print('generating ${f.path}');
  
positive.code:     context.sourceFactory = sourceFactory;
  
      files.forEach((String filePath) {
        Source source = new FileBasedSource.con1(new JavaFile(filePath));
        if (context.computeKindOf(source) == SourceKind.LIBRARY) {
          LibraryElement library = context.computeLibraryElement(source);
  
negative.code:     // left nav
      html.startTag('div', attributes: "class='span3'");
      html.startTag('ul', attributes: 'class="nav nav-tabs nav-stacked left-nav"');
      html.startTag('li', attributes: 'class="active"', newLine: false);
      html.write('<a href="${getFileNameFor(library)}">' 
          '<i class="chevron-nav icon-white icon-chevron-right"></i> ' 
          '${library.name}</a>');
      html.endTag(); // li
      html.endTag(); // ul.nav
      html.endTag(); // div.span3
  
  