id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
10250	switch wp.org markdown to markdown extra	Denis-de-Bernardy	mdawaffe	"see http://wordpress.org/extend/plugins/sociable/changelog/

when you add foo_bar_foo, the _ get processed as italic.

whereas with markdown extra, they'd be treated like literal _.
"	defect (bug)	closed	normal		WordPress.org site		normal	fixed		markjaquith