The <u> markup isn't applied to _underline_ markup.
It was in the past. Was it disabled for a purpose?
There's also some odd notes at RenderingProblems: Underscore Rendering Problems
... --Mon, 24 Jan 2005 13:01:16 -0800 reply
I do not understand the problem. Can you put an example of the problem here?
Maybe this refers to non-ascii in STX? --betabug, Tue, 13 Feb 2007 02:51:37 -0800 reply
Status: open => closed
Maybe he's referring to issues that STX has with non-ascii, e.g. _blöd_ ? This won't work without unicode-patching STX. I'm closing this :-)