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

[Dmitry Gutov]

On 03/08/2016 10:07 PM, Alan Mackenzie wrote:

> > My point is that instead of creating a new kind of "syntax cache" for
> > this specific purpose, we'd be better off using the cache we already have.
>
> Maybe, maybe not.  Special purpose things can have an austere simplicity
> which their general purpose equivalents lack.  Think of a high quality
> screwdriver, and compare it to using the screwdriver piece of a Swiss
> Army knife.

Consider this: when we implement mixed-major-mode support in Emacs, it's 
probably going to be via an extension to syntax-ppss.

Will an independent comment-cache facility support that automatically, 
or will it need corresponding changes as well?