@NelleV's review actions.

pelson · pelson · commit 41b42a182c15 · 2013-05-14T14:01:39.000+01:00
diff --git a/lib/matplotlib/dates.py b/lib/matplotlib/dates.py
@@ -577,6 +577,11 @@ def _get_interval(self):
         return 1
 
     def nonsingular(self, vmin, vmax):
+        """
+        Given the proposed upper and lower extent, adjust the range
+        if it is too close to being singlular (i.e. a range of ~0).
+
+        """
         unit = self._get_unit()
         interval = self._get_interval()
         if abs(vmax - vmin) < 1e-6:
@@ -800,7 +805,7 @@ def __call__(self):
 
     def nonsingular(self, vmin, vmax):
         # whatever is thrown at us, we can scale the unit.
-        # But default nonsigular date plots at an ~4 year period.
+        # But default nonsingular date plots at an ~4 year period.
         if vmin == vmax:
             vmin = vmin - 365 * 2
             vmax = vmax + 365 * 2
