Re: [AUCTeX] Overenthusiastic language detection

[gojjoe]

Hi Tristan and Arash,

another possible simple solution is to copy and paste the "english.el" style 
file from your

~/.emacs.d/elpa/auctex-11.90.2/style/

directory into the one with your own style files, defined in TeX-style-local, 
which for me is

~/.emacs.d/auctex/.auctex-style/

and rename it there to "canadian.el". Of course you can also edit it to create 
your own canadian style file. I did something similar for the "british.el" 
style.

Is that correct, people?

By the way, I noticed that emacs's own lisp/language directory already contains 
an "english.el". Does someone know if there's any path conflict with the auctex 
one?

Cheers,
J



On 2017-07-01 22:11, Arash Esbati wrote:
> Tristan Miller <address@hidden> writes:
> 
>> AUCTeX automatically changes the quote and hyphen insertion when using
>> certain Babel languages.  However, I can't help wondering whether the
>> mechanism it uses to detect the language is a little overenthusiastic.
>>
>> I usually write in some variant of English, but need to write
>> occasional passages in some other language.  So I usually have
>> something like the following in my preamble:
>>
>> \usepackage[ngerman,canadian]{babel}
>>
>> This causes AUCTeX to change the behaviour of the " and - keys to
>> support German text, which is not convenient when the vast majority of
>> the document is in English.
>>
>> Does it really make sense for AUCTeX to do this when the last entry in
>> the argument list for Babel is an English one?  Even if so, what can I
>> do to automatically suppress this behaviour?  I still want the
>> appropriate non-English behaviour of " and - when a non-English
>> language is the last argument to Babel; I just don't want the
>> non-English behaviour when "english", "american", "british", etc. is
>> the last argument.
> 
> Hi Tristan,
> 
> thanks for this report.  Within AUCTeX, babel.el runs style files for
> language options in reverse order, so canadian.el would come last.
> 
> The first issue with your setup is that AUCTeX does not have a style
> file for canadian language.  This can be cured easily be adding
> something like this to AUCTeX:
> 
> --8<---------------cut here---------------start------------->8---
> (TeX-add-style-hook
>   "canadian"
>   (lambda ()
>     (TeX-run-style-hooks "english"))
>   LaTeX-dialect)
> --8<---------------cut here---------------end--------------->8---
> 
> But that will not help either since english.el does not reset the
> variable `TeX-quote-language' which is changed by ngerman.el.  This
> patch should fix the issue with quotes:
> 
> --8<---------------cut here---------------start------------->8---
> diff --git a/style/english.el b/style/english.el
> index 90254c23..33e05e8c 100644
> --- a/style/english.el
> +++ b/style/english.el
> @@ -5,6 +5,8 @@
>   (TeX-add-style-hook
>    "english"
>    (lambda ()
> +   (unless (eq (car TeX-quote-language) 'override)
> +     (setq TeX-quote-language nil))
>      (run-hooks 'TeX-language-en-hook))
>    LaTeX-dialect)
> --8<---------------cut here---------------end--------------->8---
> 
> Regarding the - key, I could not figure how to solve it with an entry in
> `LaTeX-babel-hyphen-language-alist' and setting
> `LaTeX-babel-hyphen-language' to "english".  Others?
> 
> Best, Arash
> 
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