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

[Stefan Monnier]

> I've just timed this over xdisp.c.  A parse-partial-sexp from
> (point-min) to (point-max) took 0.031s.  A further scan, applying the
> `literal-cache' properties, took 0.054s.  That's 0.023s on a 1 MByte
> buffer.  That's not too serious.

Agreed.

> syntax-ppss throws away a lot more information that comment-cache does -
> it retains a parse state only every 20,000 characters, discarding
> everything else between those points.

That was just the original choice.  As discussed, this could be easily
changed if/when needed.  So far it's proved perfectly adequate.


        Stefan