--- gforth/look.fs	1997/07/06 14:29:33	1.8
+++ gforth/look.fs	2000/05/27 09:41:28	1.13
@@ -1,6 +1,6 @@
 \ LOOK.FS      xt -> lfa                               22may93jaw
 
-\ Copyright (C) 1995 Free Software Foundation, Inc.
+\ Copyright (C) 1995,1996,1997 Free Software Foundation, Inc.
 
 \ This file is part of Gforth.
 
@@ -44,23 +44,43 @@ decimal
 
 \ !!! nicht optimal!
 [IFUNDEF] look
-[IFUNDEF] dictionary-end  has-rom [ELSE] false [THEN]
-[IF]
+has? ec [IF]
 
+has? rom 
+[IF]
+: look
+    dup [ unlock rom-dictionary area lock ] 
+    literal literal within
+    IF
+	>head-noprim dup ?? <>
+    ELSE
+	forth-wordlist @ (look)
+    THEN ;
+[ELSE]
 : look ( cfa -- lfa flag )
-  forth-wordlist @ (look) ;
+    >head-noprim dup ??? <> ;
+[THEN]
 
 [ELSE]
 
-: PrimStart ['] true >name ;
+: PrimStart ['] true >head-noprim ;
 
 : look ( cfa -- lfa flag )
-        dup dictionary-end forthstart within
-	IF
-	    PrimStart (look)
-	ELSE
-	    >name dup ??? <>
-	THEN ;
+    dup in-dictionary?
+    IF
+	>head-noprim dup ??? <>
+    ELSE
+	PrimStart (look)
+    THEN ;
 
 [THEN]
 [THEN]
+
+: >head ( cfa -- nt|0 ) \ gforth to-head
+    \G tries to find the name token nt of the word represented by cfa;
+    \G returns 0 if it fails.  This word is not absolutely reliable,
+    \G it may give false positives and produce wrong nts.
+    look and ;
+
+' >head ALIAS >name \ gforth to-name
+\G old name of @code{>head}