--- gforth/stuff.fs	1996/01/07 17:22:16	1.1
+++ gforth/stuff.fs	1999/01/03 21:48:37	1.8
@@ -1,6 +1,6 @@
 \ miscelleneous words
 
-\ Copyright (C) 1996 Free Software Foundation, Inc.
+\ Copyright (C) 1996,1997,1998 Free Software Foundation, Inc.
 
 \ This file is part of Gforth.
 
@@ -18,7 +18,9 @@
 \ along with this program; if not, write to the Free Software
 \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-' require alias needs
+
+' require alias needs ( ... "name" -- ... ) \ gforth
+\G an alias for @code{require}; exists on other systems (e.g., Win32Forth).
 \ needs is an F-PC name. we will probably switch to 'needs' in the future
 
 \ a little more compiler security
@@ -31,3 +33,32 @@ AUser CSP
 
 : ?CSP ( -- )
     sp@ csp @ <> -22 and throw ;
+
+\ DMIN and DMAX
+
+: dmin ( d1 d2 -- d ) \ double
+    2over 2over d> IF  2swap  THEN 2drop ;
+
+: dmax ( d1 d2 -- d ) \ double
+    2over 2over d< IF  2swap  THEN 2drop ;
+
+\ shell commands
+
+0 Value $?
+
+: system ( addr u -- ) \ gforth
+    (system) throw TO $? ;
+: sh ( "..." -- ) \ gforth
+    '# parse cr system ;
+
+\ stuff
+
+: ]L ( compilation: n -- ; run-time: -- n )
+    \G equivalent to "] literal"
+    ] postpone literal ;
+
+: in-dictionary? ( x -- f )
+    forthstart dictionary-end within ;
+
+: in-return-stack? ( addr -- f )
+    rp0 @ swap - [ forthstart 6 cells + ]L @ u< ;