Program: 14381
Project: 14381
Buggy source:
private void handleEndTag(String tag){
  if (post != null) {
    if (!post.isLocalDraft())     return;
  }
  if (!mysteryTagFound) {
    if (tag.equalsIgnoreCase("String_Node_Str")) {
      handleBr(mSpannableStringBuilder);
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      handleP(mSpannableStringBuilder);
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      handleP(mSpannableStringBuilder);
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Italic.class,new StyleSpan(Typeface.ITALIC));
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Bold.class,new StyleSpan(Typeface.BOLD));
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Bold.class,new StyleSpan(Typeface.BOLD));
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Italic.class,new StyleSpan(Typeface.ITALIC));
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Italic.class,new StyleSpan(Typeface.ITALIC));
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Italic.class,new StyleSpan(Typeface.ITALIC));
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Big.class,new RelativeSizeSpan(1.25f));
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Small.class,new RelativeSizeSpan(0.8f));
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      endFont(mSpannableStringBuilder);
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      handleP(mSpannableStringBuilder);
      end(mSpannableStringBuilder,Blockquote.class,new QuoteSpan());
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Monospace.class,new TypefaceSpan("String_Node_Str"));
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      endA(mSpannableStringBuilder);
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Underline.class,new WPUnderlineSpan());
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Super.class,new SuperscriptSpan());
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Sub.class,new SubscriptSpan());
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Strike.class,new StrikethroughSpan());
    }
 else     if (tag.length() == 2 && Character.toLowerCase(tag.charAt(0)) == 'h' && tag.charAt(1) >= '1' && tag.charAt(1) <= '6') {
      handleP(mSpannableStringBuilder);
      endHeader(mSpannableStringBuilder);
    }
  }
 else {
    if (tag.equalsIgnoreCase("String_Node_Str") || tag.equalsIgnoreCase("String_Node_Str")) {
      return;
    }
    if (mysteryTagName.equals(tag)) {
      mysteryTagFound=false;
      mSpannableStringBuilder.append(mysteryTagContent);
    }
  }
}

Fixed version (ground truth):
private void handleEndTag(String tag){
  if (mPost != null) {
    if (!mPost.isLocalDraft())     return;
  }
  if (!mysteryTagFound) {
    if (tag.equalsIgnoreCase("String_Node_Str")) {
      handleBr(mSpannableStringBuilder);
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      handleP(mSpannableStringBuilder);
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      handleP(mSpannableStringBuilder);
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Italic.class,new StyleSpan(Typeface.ITALIC));
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Bold.class,new StyleSpan(Typeface.BOLD));
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Bold.class,new StyleSpan(Typeface.BOLD));
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Italic.class,new StyleSpan(Typeface.ITALIC));
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Italic.class,new StyleSpan(Typeface.ITALIC));
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Italic.class,new StyleSpan(Typeface.ITALIC));
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Big.class,new RelativeSizeSpan(1.25f));
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Small.class,new RelativeSizeSpan(0.8f));
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      endFont(mSpannableStringBuilder);
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      handleP(mSpannableStringBuilder);
      end(mSpannableStringBuilder,Blockquote.class,new QuoteSpan());
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Monospace.class,new TypefaceSpan("String_Node_Str"));
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      endA(mSpannableStringBuilder);
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Underline.class,new WPUnderlineSpan());
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Super.class,new SuperscriptSpan());
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Sub.class,new SubscriptSpan());
    }
 else     if (tag.equalsIgnoreCase("String_Node_Str")) {
      end(mSpannableStringBuilder,Strike.class,new StrikethroughSpan());
    }
 else     if (tag.length() == 2 && Character.toLowerCase(tag.charAt(0)) == 'h' && tag.charAt(1) >= '1' && tag.charAt(1) <= '6') {
      handleP(mSpannableStringBuilder);
      endHeader(mSpannableStringBuilder);
    }
  }
 else {
    if (tag.equalsIgnoreCase("String_Node_Str") || tag.equalsIgnoreCase("String_Node_Str")) {
      return;
    }
    if (mysteryTagName.equals(tag)) {
      mysteryTagFound=false;
      mSpannableStringBuilder.append(mysteryTagContent);
    }
  }
}