Re: Why js2-mode in Emacs 23.2?

[Lennart Borgman]

On Mon, Aug 10, 2009 at 1:58 AM, Daniel Colascione<address@hidden> wrote:
> On Aug 9, 2009, at 7:55 PM, Lennart Borgman wrote:
>>
>> It is up to Chong and Stefan of course.
>
> Of course.
>
>> Could you please make sure espresso-mode follows Emacs conventions? I
>> am not sure but I think there were some thing that could be fixed.
>
> The only issue I'm aware of is that espresso-mode syntactically fontifies
> the whole buffer
> when starting up to ensure that regular expressions are marked correctly.
> The comment
> that explains it is here:
>
>  ;; Important to fontify the whole buffer syntactically! If we don't,
>  ;; then we might have regular expression literals that aren't marked
>  ;; as strings, which will screw up parse-partial-sexp, scan-lists,
>  ;; etc. and and produce maddening "unbalanced parenthesis" errors.
>  ;; When we attempt to find the error and scroll to the portion of
>  ;; the buffer containing the problem, JIT-lock will apply the
>  ;; correct syntax to the regular expresion literal and the problem
>  ;; will mysteriously disappear.


Ah, yes, that was what broke it in mumamo. Could you please find a way
to fix this? There a different levels of fontification in JIT-lock
that probably can help.

Other things to look for are of course key bindings and using
define-derived-mode. (And probably more that I have forgotten.)