latex files encoding

latex files encoding

[Alain Muls]

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Hi,

I have numerous latex files I created using kile. The encoding is (I 
think) sat to UTF-8 or UTF-16. Since I like auctex, reftex, etc I 
decided to return to emacs, an editor I used until 2 years ago.

Now I have a problem with the encoding of these files. As an example, 
the ë (e diacritic ?) is shown as ï. How can I get emacs to respect the 
encoding of the files.

I also read something about a U in the command-line, that would indicate 
UTF encoded file. I can see that in a compilation buffer, but I cannot 
get that ina latex buffer.

Tx for any advise


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Re: latex files encoding

[Harald Hanche-Olsen]

+ Alain Muls <alain.muls@telenet.be>:

| I have numerous latex files I created using kile. The encoding is (I
| think) sat to UTF-8 or UTF-16. Since I like auctex, reftex, etc I
| decided to return to emacs, an editor I used until 2 years ago.
|
| Now I have a problem with the encoding of these files. As an example,
| the ë (e diacritic ?) is shown as ï. How can I get emacs to respect
| the encoding of the files.

The hard way:  Type C-x C-m c  and specify utf-8 for the coding
system, and immediately follow this by C-x C-f to find the file.

The easy way:  Put a comment on the first line of your latex files:
% -*- coding: utf-8; -*-

If you want the utf-8 encoding on every tex file you can do
something like

  (push '("[.]tex$" . utf-8) file-coding-system-alist)

(er, push is part of the cl package, so you need (require 'cl) first,
or rewrite to the equivalent non-cl elisp - which I admit I am too
lazy to figure out right now).

You can still override that with C-x C-m c if you encounter a
non-utf-8 latex file.

And finally, you can convert your utf-8 encoded tex files to latin-1
(if possible) by first reading them after using C-x C-m c utf-8 RET
and then changing the coding system using C-c C-m f and specifying
latin-1, whereupon you save the file.  (You'd better edit the
\usepackage[...]{inputenc} in the source file accordingly.)

-- 
* Harald Hanche-Olsen     <URL:http://www.math.ntnu.no/~hanche/>
- It is undesirable to believe a proposition
  when there is no ground whatsoever for supposing it is true.
  -- Bertrand Russell

Re: latex files encoding

[Emilio Lopes]

Harald Hanche-Olsen writes:

>   (push '("[.]tex$" . utf-8) file-coding-system-alist)

> (er, push is part of the cl package, so you need (require 'cl) first,
> or rewrite to the equivalent non-cl elisp - which I admit I am too
> lazy to figure out right now).

It is called `add-to-list' and has the additional advantage of being
idempotent: it will not add a value to the list if it's already
there.  This is a plus when you reload your init-files e.g.

Note that the order of the arguments is different compared to `push'
and that the list variable must be quoted:

     (add-to-list 'file-coding-system-alist '("[.]tex$" . utf-8))

-- 
Emílio C. Lopes                            Ich leb und weiß nit wie lang,
Munich, Germany                            ich stirb und weiß nit wann,
                                           ich fahr und weiß nit wohin,
                 (Martinus von Biberach)   mich wundert, dass ich fröhlich bin!

Re: latex files encoding

[Ralf Angeli]

* Alain Muls (2007-08-10) writes:

> I have numerous latex files I created using kile. The encoding is (I 
> think) sat to UTF-8 or UTF-16. Since I like auctex, reftex, etc I 
> decided to return to emacs, an editor I used until 2 years ago.
>
> Now I have a problem with the encoding of these files. As an example, 
> the ë (e diacritic ?) is shown as ï. How can I get emacs to respect the 
> encoding of the files.

Which version of Emacs is that?

-- 
Ralf

Re: latex files encoding

[Reiner Steib]

On Fri, Aug 10 2007, Harald Hanche-Olsen wrote:

> + Alain Muls <alain.muls@telenet.be>:
>
> | I have numerous latex files I created using kile. The encoding is (I
> | think) sat to UTF-8 or UTF-16. 

Probably UTF-8.

> | Since I like auctex, reftex, etc I decided to return to emacs, an
> | editor I used until 2 years ago.
> |
> | Now I have a problem with the encoding of these files. As an example,
> | the ë (e diacritic ?) is shown as ï. How can I get emacs to respect
> | the encoding of the files.
>
> The hard way:  Type C-x C-m c  and specify utf-8 for the coding
> system, and immediately follow this by C-x C-f to find the file.
>
> The easy way:  Put a comment on the first line of your latex files:
> % -*- coding: utf-8; -*-

In Emacs 22, there is `latex-inputenc-coding-alist'.

,----[ <f1> v latex-inputenc-coding-alist RET ]
| latex-inputenc-coding-alist is a variable defined in `latexenc'.
| Its value is shown below.
| 
| Documentation:
| Mapping from LaTeX encodings in "inputenc.sty" to Emacs coding systems.
| LaTeX encodings are specified with "\usepackage[encoding]{inputenc}".
| Used by the function `latexenc-find-file-coding-system'.
| 
| You can customize this variable.
| 
| Value: 
| ([...]
|  ("latin1" . iso-8859-1)
|  [...]
|  ("utf8" . utf-8)
|  ("utf8x" . utf-8))
`----

>   (push '("[.]tex$" . utf-8) file-coding-system-alist)

(add-to-list 'file-coding-system-alist '("\\.tex\\'" . utf-8))

Bye, Reiner.
-- 
       ,,,
      (o o)
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