if (mPreAppend && SINK_LOG_TEST(gSinkLogModuleInfo, SINK_ALWAYS_REFLOW)) {
if (SINK_LOG_TEST(gSinkLogModuleInfo, SINK_ALWAYS_REFLOW)) {
SinkContext::AddLeaf(nsGenericHTMLElement* aContent){  NS_ASSERTION(mStackPos > 0, "leaf w/o container");  if (mStackPos <= 0) {    return NS_ERROR_FAILURE;  }  nsGenericHTMLElement* parent = mStack[mStackPos - 1].mContent;  // If the parent has an insertion point, insert rather than append.  if (mStack[mStackPos - 1].mInsertionPoint != -1) {    parent->InsertChildAt(aContent,                          mStack[mStackPos - 1].mInsertionPoint++,                          PR_FALSE, PR_FALSE);  } else {    parent->AppendChildTo(aContent, PR_FALSE, PR_FALSE);  }  DidAddContent(aContent, PR_FALSE);#ifdef DEBUG  if (mPreAppend &&      SINK_LOG_TEST(gSinkLogModuleInfo, SINK_ALWAYS_REFLOW)) {    mSink->ForceReflow();  }#endif  return NS_OK;}