branch: externals/auctex
commit 2c232474a6406fa7683ffaa70406757904423a46
Author: Arash Esbati <[email protected]>
Commit: Arash Esbati <[email protected]>
Support explicitly numbered group contructs
* latex.el (LaTeX-extract-key-value-label): Add an optional
argument for explicitly numbered group contructs.
---
latex.el | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/latex.el b/latex.el
index 17a4462..602e2df 100644
--- a/latex.el
+++ b/latex.el
@@ -6694,10 +6694,12 @@ functions `TeX-arg-color' (style/color.el) or
last-optional-rejected))
,@body))
-(defun LaTeX-extract-key-value-label (&optional key)
+(defun LaTeX-extract-key-value-label (&optional key num)
"Return a regexp string to match a label in an optional argument.
The optional KEY is a string which is the name of the key in the
-key=value, default is \"label\".
+key=value, default is \"label\". NUM is an integer for an
+explicitly numbered group construct, useful when adding items to
+`reftex-label-regexps'.
As an extra feature, the key can be the symbol none where the
entire matching for the key=value is skipped. The regexp then is
@@ -6723,6 +6725,9 @@ wrapped in \\(?:...\\)? then."
"[[:space:]]*=[[:space:]]*"
;; Match the value; braces around the value are optional
"{?\\("
+ ;; Cater for NUM which sets the regexp group
+ (when (and num (integerp num))
+ (concat "?" (number-to-string num) ":"))
;; One of these chars terminates the value
"[^] ,}\r\n\t%]+"
;; Close the group
