disambiguation in Phrasebook grammars, PGF server, and the GUI

examples/phrasebook/DisambPhrasebookEng.gf

@@ -0,0 +1,10 @@
+--# -path=.:present
+
+concrete DisambPhrasebookEng of Phrasebook = PhrasebookEng - [Polite,Familiar] **  
+  open 
+    (R = Roles) in {
+lin
+  Polite   = {s = "(polite)"   ; p = R.PPolite} ;
+  Familiar = {s = "(familiar)" ; p = R.PFamiliar} ;
+
+}