public Highlight FindMatchingBracketHighlight()
{
if (Caret.Offset == 0)
return null;
foreach (BracketHighlightingSheme bracketsheme in bracketshemes) {
Highlight highlight = bracketsheme.GetHighlight(Document, Caret.Offset - 1);
if (highlight != null) {
return highlight;
}
}
return null;
}