Re: Display "dash" as "minus" in programming language mode?

[Torsten Bronger]

Hallöchen!

Miles Bader writes:

> Torsten Bronger <bronger@physik.rwth-aachen.de> writes:
>
>> (add-hook 'python-mode-hook
>>        (lambda ()
>>          (font-lock-add-keywords nil
>>                                  '(("\\B-\\B"
>> (0 (progn (compose-region (match-beginning 0) (match-end 0) "−"
>> 'decompose-region)
>>                                               nil)))
>>                                    ))))
>> (add-hook 'python-mode-hook
>>        (lambda ()
>>          (aset (or buffer-display-table
>>                    (setq buffer-display-table (make-display-table)))
>>                ?* [?✻])))
>
> Hmm, why add font-lock stuff, when using display-table for dash
> too would be easier and far more efficient (and you're already
> setting up the display table anyway, so even simpler...)?

I couldn't restrict the effect to (Python) code, so all dashs in
comments and strings became minuses, too.  But the "\\B-\\B" worked
quite well.

Tschö,
Torsten.

-- 
Torsten Bronger, aquisgrana, europa vetus
                   Jabber ID: torsten.bronger@jabber.rwth-aachen.de
                                  or http://bronger-jmp.appspot.com