- update to 0.30.0
* Use official 0.30 spec.txt.
* Add `cmark_get_default_mem_allocator()` (#330). API change: this
adds a new exported function in cmark.h.
* Fix #383. An optimization we used for emphasis parsing was
too aggressive, causing us to miss some emphasis that was legal
according to the spec. We fix this by indexing the `openers_bottom`
table not just by the type of delimiter and the length of the
closing delimiter mod 3, but by whether the closing delimiter
can also be an opener. (The algorithm for determining emphasis
matching depends on all these factors.) Add regression test.
* Fix quadratic behavior with inline HTML (#299, Nick Wellnhofer).
Repeated starting sequences like ``, `