more complete fix for #1583 (multiple spaces)

ivanov · ivanov · commit 3b857ab5f82a · 2012-12-14T14:54:52.000-08:00
diff --git a/lib/matplotlib/text.py b/lib/matplotlib/text.py
@@ -524,7 +524,7 @@ def draw(self, renderer):
         if renderer is not None:
             self._renderer = renderer
         if not self.get_visible(): return
-        if self.get_text()=='': return
+        if self.get_text().strip() == '': return
 
         renderer.open_group('text', self.get_gid())
 
@@ -1898,7 +1898,7 @@ def _update_position_xytext(self, renderer, xy_pixel):
                         props = props.copy() # don't want to alter the pad externally
                         pad = props.pop('pad', 4)
                         pad = renderer.points_to_pixels(pad)
-                        if self.get_text() == "":
+                        if self.get_text().strip() == "":
                             self.arrow_patch.set_patchA(None)
                             return
 
