Re: File mode specification error: (invalid-regexp "Invalid regular expression")

Re: File mode specification error: (invalid-regexp "Invalid regular expression")

[Pascal J. Bourguignon]

Roberto Bernetti <roberto.bernetti@poste.it> writes:
> I get the following error loading any file i the previous list:
>
> File mode specification error: (invalid-regexp "Invalid regular expression")
> [...] for the string:
> (add-to-list 'auto-mode-alist '("\\_dbg$" . makefile-mode))

_ is no special character for regular expressions. You don't need to escape it.

  (add-to-list 'auto-mode-alist '("_dbg$" . makefile-mode))

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Re: File mode specification error: (invalid-regexp "Invalid regular expression")

[Cor Gest]

The entity, AKA Roberto Bernetti <roberto.bernetti@poste.it> wrote :
(selectively-snipped-or-not-P)

> Hi 
> I'm using opensuse 10.2 with GNU Emacs 21.3.1
> emacs the following line working in in my gnu-emacs-custom file:
> --------------------------
> ;; Modifying alist
> (setq auto-mode-alist
>       (cons '("\\.max" . maxima-mode) auto-mode-alist) )
.......................^  "$" is lacking here ..;-)

;;;;(setq auto-mode-alist
;;;;    (cons '("\\.max$" . maxima-mode) auto-mode-alist) )

This should solve that.
 
Cor

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File mode specification error: (invalid-regexp "Invalid regular expression")

[Roberto Bernetti]

Hi 
I'm using opensuse 10.2 with GNU Emacs 21.3.1
emacs the following line working in in my gnu-emacs-custom file:
--------------------------
;; Modifying alist
(setq auto-mode-alist
      (cons '("\\.max" . maxima-mode) auto-mode-alist) )
(setq auto-mode-alist
      (cons '("\\.m$" . octave-mode) auto-mode-alist))
(setq auto-mode-alist
      (cons '("\\_dbg$" . makefile-mode) auto-mode-alist))
(setq auto-mode-alist
      (cons '("\\.fi$" . fortran-mode) auto-mode-alist))
(setq auto-mode-alist
      (cons '(".gnu-emacs-custom$" . lisp-mode) auto-mode-alist))
(setq auto-mode-alist
     (cons '("smb\\.conf$" . smb-mode) auto-mode-alist))
(setq auto-mode-alist
     (cons '("\\.mc$" . maxima-mode) auto-mode-alist))
(setq auto-mode-alist
     (cons '("\\.mx$" . maxima-mode) auto-mode-alist))

no more work in opensuse 11.0 with GNU Emacs 22.2.1.
I get the following error loading any file i the previous list:

File mode specification error: (invalid-regexp "Invalid regular expression")

browsing the mailing list I changed to 

(add-to-list 'auto-mode-alist '("\\.fi$" . fortran-mode))

but for the string:
(add-to-list 'auto-mode-alist '("\\_dbg$" . makefile-mode))
I still get the previous error.

P.S. I'm not in the list.
-- 
Saluti
Roberto

Re: File mode specification error: (invalid-regexp "Invalid regular expression")

[Peter Dyballa]

Am 26.07.2008 um 16:42 schrieb Roberto Bernetti:

> (setq auto-mode-alist
>      (cons '("\\.mc$" . maxima-mode) auto-mode-alist))
> (setq auto-mode-alist
>      (cons '("\\.mx$" . maxima-mode) auto-mode-alist))


``$´´ stands for end of line, ``'´´ means end of word or string. This  
can make a difference with:

	emacs <file1.mc> <file2.mx>


You could simplify (really?) these lines to:

	(setq auto-mode-alist
	     (cons '("\\.m\\(c\\|x\\)\\'" . maxima-mode) auto-mode-alist))

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