Nicolas Goaziou writes:
> The patch looks good, but the feature needs to be documented. I think
> you could add a paragraph in `org-latex-classes' docstring, below the
> first reference to "AUTO".
v5! Documentation added. Let me know if more stuff needs to be
polished.
–Rasmus
--
May contains speling mistake>From 7f1cc30ccbedfa7c5689dbf8408011e64db75230 Mon Sep 17 00:00:00 2001
From: "rasmus.pank"
Date: Sat, 1 Jun 2013 00:20:18 +0200
Subject: [PATCH] Allow AUTO argument to org-latex-guess-babel-language.
* ox-latex.el (org-latex-guess-babel-language): replace AUTO with
language if AUTO is the option of the LaTeX package Babel. *
(org-latex-classes): updated documentation with respect
to =`org-latex-guess-babel-language'=
---
lisp/ox-latex.el | 31 +++
1 file changed, 23 insertions(+), 8 deletions(-)
diff --git a/lisp/ox-latex.el b/lisp/ox-latex.el
index df3de4c..d409cf8 100644
--- a/lisp/ox-latex.el
+++ b/lisp/ox-latex.el
@@ -261,6 +261,14 @@ replaced with a coding system derived from
`buffer-file-coding-system'. See also the variable
`org-latex-inputenc-alist' for a way to influence this mechanism.
+Likewise, if your header contains \"\\usepackage[AUTO]{babel}\",
+AUTO will be replaced with the export language as specified by
+the LANGUAGE keyword or `org-export-default-language'. Note that
+constructions such as
+\"\\usepackage[french, AUTO, english]{babel}\"
+are permitted. For more information refer to
+`org-latex-guess-babel-language'.
+
The sectioning structure
@@ -910,6 +918,10 @@ Insertion of guessed language only happens when Babel package has
explicitly been loaded. Then it is added to the rest of
package's options.
+The argument to Babel may be \"AUTO\" which is then replaced with
+the language of the document or `org-export-default-language'
+unless language in question is already loaded.
+
Return the new header."
(let ((language-code (plist-get info :language)))
;; If no language is set or Babel package is not loaded, return
@@ -918,16 +930,19 @@ Return the new header."
(not (string-match "usepackage\\[\\(.*\\)\\]{babel}" header)))
header
(let ((options (save-match-data
- (org-split-string (match-string 1 header) ",")))
+ (org-split-string (match-string 1 header) ",[ \t]*")))
(language (cdr (assoc language-code
org-latex-babel-language-alist
- ;; If LANGUAGE is already loaded, return header. Otherwise,
- ;; append LANGUAGE to other options.
- (if (member language options) header
- (replace-match (mapconcat 'identity
-(append options (list language))
-",")
- nil nil header 1))
+ ;; If LANGUAGE is already loaded, return header without AUTO.
+ ;; Otherwise, replace AUTO with language or append language if
+ ;; AUTO is not present.
+ (replace-match
+ (mapconcat (lambda (option) (if (equal "AUTO" option) language option))
+ (cond ((member language options) (delete "AUTO" options))
+ ((member "AUTO" options) options)
+ (t (append options (list language
+ ", ")
+ t nil header 1)
(defun org-latex--find-verb-separator (s)
"Return a character not used in string S.
--
1.8.3
