--- gforth/environ.fs	1997/03/21 12:21:12	1.11
+++ gforth/environ.fs	1997/08/31 19:31:28	1.14
@@ -29,6 +29,12 @@ Create environment-wordlist  wordlist dr
 	false
     endif ;
 
+: e? name environment? ; immediate
+
+: has? name environment? IF ELSE false THEN ;
+
+: $has? environment? IF ELSE false THEN ;
+
 environment-wordlist set-current
 get-order environment-wordlist swap 1+ set-order
 
@@ -51,7 +57,9 @@ true constant CORE-EXT
 -1 MAX-N 2constant MAX-D
 -1. 2constant MAX-UD
 
-0 1 2constant gforth \ minor major version
+version-string 2constant gforth \ version string (for versions>0.3.0)
+\ the version strings of the various versions are guaranteed to be
+\ sorted lexicographically
 
 : return-stack-cells ( -- n )
     [ forthstart 6 cells + ] literal @ cell / ;