bug#27272: 25.2; [patch] Fix positional args among keyword args in eldoc.

[Thierry Volpiatto]

Johan Bockgård <bojohan@gnu.org> writes:

> Thierry Volpiatto <thierry.volpiatto@gmail.com> writes:
>
>> Fix eldoc with positional arg among keyword args.
>>
>> * lisp/progmodes/elisp-mode.el (elisp--highlight-function-argument):
>> Switch to indexed arg searching when no keyword found behind arg.
>
> This code is wrong both with and without your fix. All mandatory and
> optional arguments should be used *before* keywords are matched.
>
> Given this definition of `foo',
>
>     (cl-defun foo (x &key a b c)
>       (list x a b c))
>
> `:b' in the following call specifies the positional argument `x', not
> the keyword argument `b':
>
>     (foo :b :a 1)  =>  (:b 1 nil nil)

Fixed as well.

Thanks.

-- 
Thierry
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