bug#15251: 24.3.50; do-auto-fill "continues" comment from inside a string

[Dmitry Gutov]

Andreas Röhler <andreas.roehler@easy-emacs.de> writes:
> In case not, an alternative to faces should be introduced still.
> Setting of comment-face might fail for several reasons.
> Comment-move should not rely on that.
>
> What about searching for comment-start than?

`comment-beginning' calls `comment-search-backward', which searches for
`comment-start-skip'.