Fix bug in PDF clip routine that resulted in the cryptic error message

mdboom · mdboom · commit 18f4a946c115 · 2007-09-11T12:46:27.000Z
"There are too many arguments" in Adobe Acrobat.

svn path=/trunk/matplotlib/; revision=3829
diff --git a/lib/matplotlib/backends/backend_pdf.py b/lib/matplotlib/backends/backend_pdf.py
@@ -1833,7 +1833,7 @@ def clip_cmd(self, cliprect, clippath):
             cmds.extend(self.pop())
         # Unless we hit the right one, set the clip polygon
         if (self._cliprect, self._clippath) != (cliprect, clippath):
-            cmds.append(self.push())
+            cmds.extend(self.push())
             if self._cliprect != cliprect:
                 cmds.extend([t for t in cliprect] + 
                             [Op.rectangle, Op.clip, Op.endpath])
