private string RunBlockGamut(string text, bool unhash = true)
{
text = DoHeaders(text);
text = DoHorizontalRules(text);
text = DoLists(text);
text = DoCodeBlocks(text);
text = DoBlockQuotes(text);
// We already ran HashHTMLBlocks() before, in Markdown(), but that
// was to escape raw HTML in the original Markdown source. This time,
// we're escaping the markup we've just created, so that we don't wrap
// <p> tags around block-level tags.
text = HashHTMLBlocks(text);
text = FormParagraphs(text, unhash: unhash);
return text;
}