Don't use deprecated mathcircled in docs.

anntzer · anntzer · commit e06d2265f246 · 2019-05-29T18:51:25.000+02:00
diff --git a/examples/lines_bars_and_markers/marker_reference.py b/examples/lines_bars_and_markers/marker_reference.py
@@ -83,8 +83,7 @@ def split_list(a_list):
 fig.subplots_adjust(left=0.4)
 
 marker_style.update(mec="None", markersize=15)
-markers = ["$1$", r"$\frac{1}{2}$", "$f$", "$\u266B$",
-           r"$\mathcircled{m}$"]
+markers = ["$1$", r"$\frac{1}{2}$", "$f$", "$\u266B$", r"$\mathcal{A}$"]
 
 
 for y, marker in enumerate(markers):
