Fix #4299: Add support for \left\Vert etc.

mdboom · mdboom · commit 027dd2cb13a0 · 2015-03-31T11:58:22.000-04:00
diff --git a/lib/matplotlib/_mathtext_data.py b/lib/matplotlib/_mathtext_data.py
@@ -96,7 +96,7 @@
     r'\chi'                      : ('cmmi10',  17),
     r'\psi'                      : ('cmmi10',  31),
     r'|'                         : ('cmsy10',  47),
-    r'\|'                        : ('cmsy10',  47),
+    r'\|'                        : ('cmsy10',  44),
     r'('                         : ('cmr10',  119),
     r'\leftparen'                : ('cmr10',  119),
     r'\rightparen'               : ('cmr10',   68),
diff --git a/lib/matplotlib/mathtext.py b/lib/matplotlib/mathtext.py
@@ -2112,7 +2112,7 @@ class Parser(object):
 
     _ambi_delim = set("""
       | \\| / \\backslash \\uparrow \\downarrow \\updownarrow \\Uparrow
-      \\Downarrow \\Updownarrow .""".split())
+      \\Downarrow \\Updownarrow . \\vert \\Vert \\\\|""".split())
 
     _left_delim = set(r"( [ \{ < \lfloor \langle \lceil".split())
 
