Re: [AUCTeX-devel] Insertion of braces when the last argument of a macro is optional

[David Kastrup]

Tassilo Horn <address@hidden> writes:

> Mosè Giordano <address@hidden> writes:
>
> Hi Mosè,
>
>> You're right, I agree.  The attached patch takes a completely
>> different approach: it makes it possible to override the value of
>> `TeX-insert-braces'.  `TeX-insert-braces' is forced to nil for
>> {top,mid,bottom}rule macros.  A FIXME in style/booktabs.el is also
>> resolved.
>
> I don't like the setq-ing and resetting of `TeX-insert-braces'.  It's
> not unlikely that a user aborts (C-g) while inserting a macro, and then
> the resetting is skipped.  You could ensure resetting by wrapping
> anything else in a `ignore-errors` form, but even then things could go
> wrong in case a user aborts before the original value has been saved.

The right way to do that kind of unconditional restore is using
unwind-protect for it.

But wouldn't using let on TeX-insert-braces achieve just that?

-- 
David Kastrup