Re: Allowing closure's in style hooks?

[Arash Esbati]

Hi Tassilo,

Tassilo Horn <tsdh@gnu.org> writes:

> Arash Esbati <arash@gnu.org> writes:
>
>> With this, we can use things like this:
>>
>>   (TeX-add-symbols
>>     `("foo" ,(lambda (_) ...)))
>>
>> in our styles.  We're already using this in `TeX-read-key-val' et al.,
>> so why not also anywhere else?  This could help us getting rid of more
>> `TeX-arg-eval' constructs.
>
> Yes, please.

Done, commit c8d638ac9d.

>> Any comments welcome.
>
> You can omit the symbolp check or rather replace it with functionp.  If
> a symbol has a symbol-function, then (functionp symbol) will return t.

True, thanks!

> But be sure to have a t-case in the cond which signals an error when no
> other clause applies.

The change is inside `TeX-parse-argument' which has this at the end:

  (t (error "Unknown argument type %s" (prin1-to-string arg)))

So we're good :-)

Best, Arash