Merge private git for latim grammar into official darcs.

See https://github.com/daherb/GF orhttps://gitlab.cip.ifi.lmu.de/langeh/gf 
for full git commit history

src/latin/AllLat.gf

@@ -1,6 +1,6 @@
 --# -path=.:../abstract:../common:prelude
 
 concrete AllLat of AllLatAbs = 
-  LangLat
---  ExtraLat
+  LangLat,
+  ExtraLat
   ** {} ;