Re: superword-mode

["Andreas Röhler" <andreas.roehler@online.de>]

Am 29.03.2013 19:10, schrieb Ted Zlatanov:
> On Fri, 29 Mar 2013 18:49:04 +0100 Andreas Röhler <andreas.roehler@online.de> wrote:
>
> AR> IMO that can't work, as forward-sexp has a long-time bug wrt to
> AR> strings.
>
> AR> bug#13973: Subject: 24.3; thingatpt.el, end-of-sexp
>
> I'm not convinced that the bug shouldn't be fixed instead.

That would help, but not make the use of forward-sexp perfect for your purpose.
Simply because a sexp is still a wider object than the kind you address.

>
> AR> BTW why not simply change the syntax-class using modify-syntax-entry?
>>>
>>> That was my original approach, but it's incorrect according to Stefan.
>>>
>
> AR> Oh, because python-mode.el proceeds that way? :)
> AR> Can't see that stand in this thread, will cc it to him.
>
> Start with
>
> http://thread.gmane.org/gmane.emacs.diffs/119990/focus=158194
>

Can't see any comment from Stefan with this meaning. CC again, forgot previously.

> or gather the thread from this article upwards.  For `cfengine-mode' I
> modified all the motion to use \_> and \_< instead of \> and \<
>
> AR> Assume it's a misunderstanding, as mode-specific syntax-changes are common.
>
> AR> BTW forward-sexp docu says it's not usable from inside a string. Once the bug is fixed,
> AR> that might be dropped.
>
> So you're saying that `superword-mode' should simply add "_" to the word
> syntax?

Yes. To be switched on/off with the mode. Maybe I'm misunderstanding the purpose?

  Or something else?  Sorry to be dense.
>
> Another possibility is to make the motion context-sensitive, so we move
> by word inside strings or comments but by sexp or symbol outside them.
>
> (I actually discovered I like using `forward-sexp' with `superword-mode'
> in non-Lisp languages,

Sure it will work mostly. It might work always - beside of the bugs still unseen  :)

Cheers

except through strings.  In Lisp it jumps too
> much.)
>
> Ted
>
>
>