library adjustments, error message clean-up

examples/gfcc/ImperC.gf

@@ -1,4 +1,4 @@
---# -path=.:../prelude
+--# -path=.:../../lib/prelude
 concrete ImperC of Imper = open ResImper in {
   flags lexer=codevars ; unlexer=code ; startcat=Program ;
 

examples/gfcc/ImperJVM.gf

@@ -1,4 +1,4 @@
---# -path=.:../prelude
+--# -path=.:../../lib/prelude
 concrete ImperJVM of Imper = open ResImper in {
 
 flags lexer=codevars ; unlexer=code ; startcat=Stm ;

examples/numerals/README

@@ -21,13 +21,13 @@ To precompile a multilingual numeral grammar:
 To open a translation session,
 
   gf numerals.gfcm  -- in the OS shell
-  trans -lang       -- in the GF shell
+    ts -lang        -- in the GF shell
 
 To create an example HTML page with translations of a numeral:
 
   echo "x=2341" | gft numerals.gfcm >2341.html
 
-(Requires the gft program, produces by "make gft" in GF sources)
+(Requires the gft program, produced by "make gft" in GF sources)
 
 Document last updated August 3, 2004 by Aarne Ranta.