Merge pull request #23249 from anntzer/undblbkslsol

timhoffm · web-flow · commit ee7c4a079e57 · 2022-06-11T17:20:01.000+02:00
Don't allow `r"$\left\\|\right.$"`, as in TeX.
diff --git a/lib/matplotlib/_mathtext.py b/lib/matplotlib/_mathtext.py
@@ -1680,7 +1680,7 @@ class _MathStyle(enum.Enum):
 
     _ambi_delim = set(r"""
       | \| / \backslash \uparrow \downarrow \updownarrow \Uparrow
-      \Downarrow \Updownarrow . \vert \Vert \\|""".split())
+      \Downarrow \Updownarrow . \vert \Vert""".split())
 
     _left_delim = set(r"( [ \{ < \lfloor \langle \lceil".split())
 
