Subject: bug#16971: 24.3.50; comment-beginning behaves differently in current newcomment.el, leads to error in comment-indent-new-line

From: Stefan <[email-masked]>
Date: Mon, 17 Mar 2014 10:48:36 -0400

> AFAICS, only `lisp-mode-variables' and `scheme-mode-variables' set
> `comment-start-skip' to a value that looks for a character before the
> comment (and they're also the only two uses of
> `font-lock-comment-start-skip').

Hmm... and all the modes that rely on comment-normalize-vars, IIUC.

        Stefan