Ignoring the string consists only of white-space characters. Closes #1234

CHANGES

@@ -68,6 +68,7 @@ Bugs fixed
 * #1259: Guard the debug output call when emitting events; to prevent the
   repr() implementation of arbitrary objects causing build failures.
 * #1142: Fix NFC/NFD normalizing problem of rst filename on Mac OS X.
+* #1234: Ignoring the string consists only of white-space characters.
 
 
 Release 1.2 beta1 (released Mar 31, 2013)

sphinx/transforms.py

@@ -181,7 +181,8 @@ class Locale(Transform):
         for node, msg in extract_messages(self.document):
             msgstr = catalog.gettext(msg)
             # XXX add marker to untranslated parts
-            if not msgstr or msgstr == msg: # as-of-yet untranslated
+            if not msgstr or msgstr == msg or not msgstr.strip():
+                # as-of-yet untranslated
                 continue
 
             # Avoid "Literal block expected; none found." warnings.