Re: About prog-prettify-symbols

[Tassilo Horn]

Ted Zlatanov <address@hidden> writes:

> TH>    But then I've tried to make it derive from prog-mode directly,
> TH>    and it's still messed up in the same respects.
>
> I don't know how to fix this, sorry.  I looked at the code and can't
> see where `clojure-mode' font-locking diverges from the other modes I
> tested.

No problem, I'll see what I can do when I find some time.

> TH> 2. Would it be possible to make prettification a bit more flexible?  For
> TH>    example, in clojure I'd like to display also (defn ...) as (deƒ ...),
> TH>    but currently it seems I can only "replace" a fixed symbol with a
> TH>    single character.  I think, it would be better if
> TH>    `prog-prettify-symbols-alist' would have the form
>
> TH>      ((REGEX GROUP CHAR) ...)
>
> TH>    so that I could have an alist like
>
> TH>      (("de\\(fn\\)" 1 ?ƒ)
> TH>       ("fn" 0 ?ƒ))
>
> TH>    to show (fn ...) as (ƒ ...) and (defn ...) as (deƒ ...).
>
> Juanma requested something similar, a string instead of a single
> character.  The string is much simpler than using the match data, you'd
> just give "deƒ" as the replacement.  I think mixing match data into the
> prettification rule makes it less user-friendly even though it's
> certainly more powerful.

I'd be fine with both approaches.

Bye,
Tassilo