don't grab empty strings in xml2po.py

diff --git a/po/xml2po.py b/po/xml2po.py
index 88e0791..8108cae 100755 (executable)
--- a/po/xml2po.py
+++ b/po/xml2po.py
@@ -55,6 +55,7 @@ for (k,c) in attrlist:
        if c:
                for l in c.split('\n'):
                        print "#. ", l
-       print 'msgid "' + str(k) + '"'
-       print 'msgstr ""'
+       if str(k) != "":
+               print 'msgid "' + str(k) + '"'
+               print 'msgstr ""'