richer extraction syntax

lib/resource/exper/english/LangEng.gf

@@ -0,0 +1,10 @@
+--# -path=.:abstract:../common:prelude
+
+concrete LangEng of Lang = 
+  GrammarEng,
+  LexiconEng
+  ** {
+
+flags startcat = Phr ; unlexer = text ; lexer = text ;
+
+} ;