Slightly improve some #14213 latex.py code (#14217)

2026-08-26 05:07:35 -05:00 · 2025-12-26 20:12:57 +00:00
parent 515fe33b9c
commit 4ba6322265
1 changed files with 4 additions and 1 deletions
@@ -2287,7 +2287,10 @@ class LaTeXTranslator(SphinxTranslator):
                    + CR
                )
                _lineno = _chunksize + 1
-                if _e[-1] == ']':
+                # _e always starts with r'[commandchars=\\\{\}' and ends with
+                # ']' but let's make sure, for maximal generality, that _e[:-1]
+                # does not trigger index out of range.
+                if _e:
                    _e = _e[:-1] + ',firstnumber=last]'
                else:
                    _e = '[firstnumber=last]'