Arash Esbati <ar...@gnu.org> writes: Hi Arash,
> I'd like to install this change in `TeX-parse-argument': > > diff --git a/tex.el b/tex.el > index 7fe8095a..129571ae 100644 > --- a/tex.el > +++ b/tex.el > @@ -3554,7 +3554,7 @@ See `TeX-parse-macro' for details." > (set-marker TeX-exit-mark (point))) > (insert TeX-arg-closing-brace) > (setq insert-flag t)) > - ((symbolp arg) > + ((or (symbolp arg) (functionp arg)) > (funcall arg optional)) > ((listp arg) > (let ((head (car arg)) > > 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. > 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. But be sure to have a t-case in the cond which signals an error when no other clause applies. Bye, Tassilo