Program: 20484
Project: 20484
Buggy source:
private CharSequence parseComment(String commentRaw,boolean simpleMode){
  if (simpleMode)   return "String_Node_Str";
  CharSequence total=new SpannableString("String_Node_Str");
  try {
    String comment=commentRaw.replace("String_Node_Str","String_Node_Str");
    Document document=Jsoup.parseBodyFragment(comment);
    List<Node> nodes=document.body().childNodes();
    for (    Node node : nodes) {
      String nodeName=node.nodeName();
      if (node instanceof TextNode) {
        String text=((TextNode)node).text();
        if (text.contains("String_Node_Str")) {
          String[] parts=text.split("String_Node_Str");
          for (          String item : parts) {
            if (item.contains("String_Node_Str")) {
              try {
                URL url=new URL(item);
                SpannableString link=new SpannableString(url.toString());
                PostLinkable pl=new PostLinkable(this,item,item,PostLinkable.Type.LINK);
                link.setSpan(pl,0,link.length(),0);
                linkables.add(pl);
                total=TextUtils.concat(total,link,"String_Node_Str");
              }
 catch (              Exception e) {
                total=TextUtils.concat(total,item,"String_Node_Str");
              }
            }
          }
        }
 else {
          total=TextUtils.concat(total,text);
        }
      }
 else       if (nodeName.equals("String_Node_Str")) {
        total=TextUtils.concat(total,"String_Node_Str");
      }
 else       if (nodeName.equals("String_Node_Str")) {
        Element span=(Element)node;
        SpannableString quote=new SpannableString(span.text());
        quote.setSpan(new ForegroundColorSpan(Color.argb(255,120,153,34)),0,quote.length(),0);
        total=TextUtils.concat(total,quote);
      }
 else       if (nodeName.equals("String_Node_Str")) {
        Element anchor=(Element)node;
        SpannableString link=new SpannableString(anchor.text());
        Type t=anchor.text().contains("String_Node_Str") ? Type.LINK : Type.QUOTE;
        PostLinkable pl=new PostLinkable(this,anchor.text(),anchor.attr("String_Node_Str"),t);
        link.setSpan(pl,0,link.length(),0);
        linkables.add(pl);
        if (t == Type.QUOTE) {
          try {
            String[] splitted=anchor.attr("String_Node_Str").split("String_Node_Str");
            if (splitted.length == 2) {
              int id=Integer.parseInt(splitted[1]);
              repliesTo.add(id);
            }
          }
 catch (          NumberFormatException e) {
          }
        }
        total=TextUtils.concat(total,link);
      }
 else {
        if (node instanceof Element) {
          total=TextUtils.concat(total,((Element)node).text());
        }
      }
    }
  }
 catch (  Exception e) {
    e.printStackTrace();
  }
  return total;
}

Fixed version (ground truth):
private CharSequence parseComment(String commentRaw,boolean simpleMode){
  if (simpleMode)   return "String_Node_Str";
  CharSequence total=new SpannableString("String_Node_Str");
  try {
    String comment=commentRaw.replace("String_Node_Str","String_Node_Str");
    Document document=Jsoup.parseBodyFragment(comment);
    List<Node> nodes=document.body().childNodes();
    for (    Node node : nodes) {
      String nodeName=node.nodeName();
      if (node instanceof TextNode) {
        String text=((TextNode)node).text();
        if (text.contains("String_Node_Str")) {
          String[] parts=text.split("String_Node_Str");
          for (          String item : parts) {
            if (item.contains("String_Node_Str")) {
              try {
                URL url=new URL(item);
                SpannableString link=new SpannableString(url.toString());
                PostLinkable pl=new PostLinkable(this,item,item,PostLinkable.Type.LINK);
                link.setSpan(pl,0,link.length(),0);
                linkables.add(pl);
                total=TextUtils.concat(total,link,"String_Node_Str");
              }
 catch (              Exception e) {
                total=TextUtils.concat(total,item,"String_Node_Str");
              }
            }
 else {
              total=TextUtils.concat(total,item,"String_Node_Str");
            }
          }
        }
 else {
          total=TextUtils.concat(total,text);
        }
      }
 else       if (nodeName.equals("String_Node_Str")) {
        total=TextUtils.concat(total,"String_Node_Str");
      }
 else       if (nodeName.equals("String_Node_Str")) {
        Element span=(Element)node;
        SpannableString quote=new SpannableString(span.text());
        quote.setSpan(new ForegroundColorSpan(Color.argb(255,120,153,34)),0,quote.length(),0);
        total=TextUtils.concat(total,quote);
      }
 else       if (nodeName.equals("String_Node_Str")) {
        Element anchor=(Element)node;
        SpannableString link=new SpannableString(anchor.text());
        Type t=anchor.text().contains("String_Node_Str") ? Type.LINK : Type.QUOTE;
        PostLinkable pl=new PostLinkable(this,anchor.text(),anchor.attr("String_Node_Str"),t);
        link.setSpan(pl,0,link.length(),0);
        linkables.add(pl);
        if (t == Type.QUOTE) {
          try {
            String[] splitted=anchor.attr("String_Node_Str").split("String_Node_Str");
            if (splitted.length == 2) {
              int id=Integer.parseInt(splitted[1]);
              repliesTo.add(id);
            }
          }
 catch (          NumberFormatException e) {
          }
        }
        total=TextUtils.concat(total,link);
      }
 else {
        if (node instanceof Element) {
          total=TextUtils.concat(total,((Element)node).text());
        }
      }
    }
  }
 catch (  Exception e) {
    e.printStackTrace();
  }
  return total;
}