FindCharInReadable( char aChar, nsReadingIterator<char>& aSearchStart, const nsReadingIterator<char>& aSearchEnd )
FindCharInReadable( PRUnichar aChar, nsReadingIterator<PRUnichar>& aSearchStart, const nsReadingIterator<PRUnichar>& aSearchEnd )
FindCharInReadable( char aChar, nsReadingIterator<char>& aSearchStart, const nsReadingIterator<char>& aSearchEnd )  {    return FindCharInReadable_Impl(aChar, aSearchStart, aSearchEnd);  } 