===================
1. Add the new flag MKD_NOHTML, which blocks *all* embedded html and
forces the user to use the markup language for doing markup.
2. Document --relaxed-emphasis
3. Update the markdown(1) manpage so it mentions `-fnohtml`
4. Add the symbolic #defines to mkdio.h (and markdown.h) for NOHTML/DENY_HTML
middle of words. Add the new configure option --relaxed-emphasis, which
breaks the emphasis rules for things like a_b (or, if you're describing
code, thing like `size_t` or `time_t` or ...)
jessica parsons
david parsons
David Parsons