ENH: support 'gray' alternative for xkcd colors

tacaswell · tacaswell · commit e0c6dcfcfe31 · 2017-01-16T12:30:10.000-05:00
diff --git a/lib/matplotlib/_color_data.py b/lib/matplotlib/_color_data.py
@@ -991,7 +991,9 @@
     'blue': '#0343df',
     'green': '#15b01a',
     'purple': '#7e1e9c'}
-
+for k, v in list(XKCD_COLORS.items()):
+    if 'grey' in k:
+        XKCD_COLORS[k.replace('grey', 'gray')] = v
 
 # Normalize name to "xkcd:<name>" to avoid name collisions.
 XKCD_COLORS = {'xkcd:' + name: value for name, value in XKCD_COLORS.items()}
