per symbol

andrzejnovak · andrzejnovak · commit d8e84d27388a · 2020-02-20T14:24:47.000+01:00
diff --git a/lib/matplotlib/mathtext.py b/lib/matplotlib/mathtext.py
@@ -777,7 +777,7 @@ def __init__(self, *args, **kwargs):
             else:
                 fallback_rc = None
 
-        
+
         if fallback_rc == 'stix':
             self.cm_fallback = StixFonts(*args, **kwargs)
         elif fallback_rc == 'stixsans':
@@ -858,15 +858,17 @@ def _get_glyph(self, fontname, font_class, sym, fontsize, math=True):
 
         if not found_symbol:
             if self.cm_fallback:
-                _log.warning("Substituting with a symbol from {}".format( 
-                             self.cm_fallback.name))
-                                 
                 if (fontname in ('it', 'regular')
                         and isinstance(self.cm_fallback, StixFonts)):
                     fontname = 'rm'
 
-                return self.cm_fallback._get_glyph(
-                    fontname, font_class, sym, fontsize)
+                g = self.cm_fallback._get_glyph(fontname, font_class, sym, fontsize)
+                fname = g[0].family_name
+                if fname.startswith("cm"):
+                    fname = "Computer Modern"
+                _log.warning("Substituting with a {} from {}".format(sym, fname))
+                # or .postscript_name
+                return g
 
             else:
                 if (fontname in ('it', 'regular')
