Re: [Emacs-diffs] comment-cache 223d16f 2/3: Apply `comment-depth' text properties when calling `back_comment'.

[Stefan Monnier]

> Please don't think of using (nth 9 (snytax-ppss)) in such a high level
> function.  It's strictly internal stuff used for continuing a parse in
> the middle of something.  If you do really want to use it, we should
> consider making that element fully defined at the user level (and
> possibly stating any further elements are "internal").

We should document it, indeed.  It's been "stable" for decades and is
already used at various places in Elisp packages, not all of them
qualifying as "low-level".


        Stefan