Orc/discount — pull request #83 by sekimura (2013-08-05 19:02:39+00:00)
Title: check to see if S(extratags) before EXPAND(extratags)

if you call mkd_define_tag() after mkd_deallocate_tags(), it causes an error. Here is the fix to call CREATE(extratags) in case extratags is deallocated already.