rev. 9276b7f09995 was missing something
rev. fc6f51bb5914 missed a hunk as well
minor incosistency between MarkdownSharp and PageDown w/r/t code blocks
remove underscore from problemUrlChars
don't require a space before an auto-linked URL (word boundary is enough); handle closing parentheses at the end of auto-linked URLs
unbreak everything (http://meta.stackoverflow.com/q/165096)
link-within-a-link prevention, episode n+1
there's no tail in the match anymore
factor out duplicate code in the two image evaluators, in particular making sure that they both escape correctly (http://meta.stackoverflow.com/q/168373)