CM params are good enough default

zblz · zblz · commit e070ae53c222 · 2015-08-07T00:42:45.000+01:00
diff --git a/lib/matplotlib/mathtext.py b/lib/matplotlib/mathtext.py
@@ -2709,13 +2709,9 @@ def subsuper(self, s, loc, toks):
             state.font, state.fontsize, state.dpi)
 
         fs = rcParams['mathtext.fontset']
-        # If a custom fontset is used, try to infer what sort of font is being
-        # used. If serif use stix parameters, if sans use stixsans.
+        # If a custom fontset is used, use CM parameters
         if fs == 'custom':
-            if 'sans' in rcParams['mathtext.rm']:
-                fs = 'stixsans'
-            else:
-                fs = 'stix'
+            fs = 'cm'
 
         if napostrophes:
             if super is None:
