Update runtime files
diff --git a/src/po/cleanup.vim b/src/po/cleanup.vim
index 90e7f30..6df5edd 100644
--- a/src/po/cleanup.vim
+++ b/src/po/cleanup.vim
@@ -13,7 +13,8 @@
 silent g/^#\..*\n#/.d
 
 " c-format comments have no effect, the check.vim scripts checks it.
-silent g/^#, c-format$/d
+" But they might still be useful?
+" silent g/^#, c-format$/d
 
 silent g/^#[:~] /d
 silent g/^#, fuzzy\(, .*\)\=\nmsgid ""\@!/.+1,/^$/-1s/^/#\~ /