Bugfix format patch.

pym/format/patch.py

@@ -76,6 +76,12 @@ class patch(_error):
                 if node.tagName == "reg":
                     if node.firstChild:
                         reText = node.firstChild.nodeValue
+                        if reText is None:
+                            textNode = node.toxml().encode("UTF8")
+                            self.setError(\
+                            _("Incorrect text template")+ ": \n" +\
+                              "%s" %textNode)
+                            return False
                     else:
                         self.setError(\
                             _("Incorrect text template '<reg></reg>'"))
@@ -91,11 +97,16 @@ class patch(_error):
                         self.setError(\
                             _("Incorrect text template '<reg>%s</reg>'")\
                               %reText)
-                                
                         return False
                 elif node.tagName == "text" and regex:
                     if node.firstChild:
                         text = node.firstChild.nodeValue
+                        if text is None:
+                            textNode = node.toxml().encode("UTF8")
+                            self.setError(\
+                            _("Incorrect text template")+ ": \n" +\
+                              "%s" %textNode)
+                        return False
                     else:
                         text = ""
                     dataList.append((regex, text))