Proper typing of "prime" in docs, see #5864.

anntzer · anntzer · commit 79f1d92807fa · 2016-01-17T11:49:17.000-08:00
diff --git a/examples/axes_grid1/parasite_simple2.py b/examples/axes_grid1/parasite_simple2.py
@@ -30,7 +30,7 @@
 
 ax_kms.axis["bottom"].set_label("Linear velocity at 2.3 kpc [km/s]")
 ax_kms.axis["left"].set_label("FWHM [km/s]")
-ax_pm.axis["top"].set_label("Proper Motion [$^{''}$/yr]")
+ax_pm.axis["top"].set_label(r"Proper Motion [$^{\prime\prime}$/yr]")
 ax_pm.axis["top"].label.set_visible(True)
 ax_pm.axis["right"].major_ticklabels.set_visible(False)
 
