Yuki Nishida <[email protected]> writes:
> In a particular environment, opening a LaTeX file for the first time
> fails with the *Backtrace* buffer that says LaTeX-xparse-macro-parse
> fails with (scan-error “Unbalanced parentheses” ...)
>
> It seems to be caused by an xparse macro definition containing '(' as
> a token in an argument's specification like:
>
> \NewDocumentCommand\FOO{>{\SplitArgument{1}{(}}m}
>
> I suspect the implementation interprets '(}' as balanced parentheses
> and causes the scan-error.
Thanks for the report. Can you please apply this patch to xparse.el and
report back if it solves the issue?
--8<---------------cut here---------------start------------->8---
diff --git a/style/xparse.el b/style/xparse.el
index 397a0c4b..ca70fd68 100644
--- a/style/xparse.el
+++ b/style/xparse.el
@@ -128,7 +128,8 @@ TYPE is one of the symbols mac or env."
;; over [>=] and a balanced {}
((looking-at-p "[>=]")
(forward-char 1)
- (forward-sexp))
+ (with-syntax-table (TeX-search-syntax-table ?\{ ?\})
+ (forward-sexp)))
;; Mandatory arguments:
;; m: Ask for input with "Text" as prompt
((looking-at-p "m")
--8<---------------cut here---------------end--------------->8---
TIA. Best, Arash
_______________________________________________
bug-auctex mailing list
[email protected]
https://lists.gnu.org/mailman/listinfo/bug-auctex
