private void DoctypeHandler(MarkupParsingContext context, string doctype)
{
_currentNodeType = HtmlNodeType.Doctype;
WhitespaceMinificationMode whitespaceMinificationMode = _settings.WhitespaceMinificationMode;
if (whitespaceMinificationMode != WhitespaceMinificationMode.None)
{
// Processing of whitespace, that followed before the document type declaration
TrimEndLastBufferItem();
}
_buffer.Add(_settings.UseShortDoctype ? "<!DOCTYPE html>" : Utils.CollapseWhitespace(doctype));
}