Re: `(' fontification.

[Stefan Monnier]

> When I looked to how to implement this, I discovered that this is already
> implemented in `font-lock-compile-keywords' as:

Yes, I installed that yesterday.

>     (if (memq (get-text-property (match-beginning 0) 'face)
>               '(font-lock-string-face font-lock-doc-face
>                 font-lock-comment-face))
>         (list 'face font-lock-warning-face
>               'help-echo "Looks like a toplevel defun: escape the 
> parenthesis"))

> But this doesn't work, because in the actual value of `font-lock-keywords'
> this part has no `help-echo' property:

>     (if (memq (get-text-property (match-beginning 0) 'face)
>               '(font-lock-string-face font-lock-doc-face
>                 font-lock-comment-face))
>         font-lock-warning-face)

> I don't understand what in Emacs removes this useful help message and why?

Nothing removes it, you probably were looking at a more recent code than the
one you were using ;-)


        Stefan