Description: An upstream patch to not accept "-" as a valid number.
Origin: upstream; http://www.complang.tuwien.ac.at/viewcvs/cgi-bin/viewcvs.cgi/gforth/kernel/int.fs?r1=1.165&r2=1.166
Author: Anton Ertl <anton@mips.complang.tuwien.ac.at>
Last-Update: 2009-08-22

--- a/kernel/int.fs
+++ b/kernel/int.fs
@@ -163,21 +163,24 @@
     over c@ '' = if
 	1 /string s'>unumber? exit
     endif
-    base @ >r  getbase sign? >r
-    0. 2swap
-    BEGIN ( d addr len )
-	dup >r >number dup
-    WHILE \ there are characters left
-	dup r> -
-    WHILE \ the last >number parsed something
-	dup 1- dpl ! over c@ [char] . =
-    WHILE \ the current char is '.'
-	1 /string
-    REPEAT  THEN \ there are unparseable characters left
-	2drop rdrop false
+    base @ >r  getbase sign?
+    over if
+        >r 0. 2swap
+        BEGIN ( d addr len )
+            dup >r >number dup
+        WHILE \ there are characters left
+                dup r> -
+            WHILE \ the last >number parsed something
+                    dup 1- dpl ! over c@ [char] . =
+                WHILE \ the current char is '.'
+                        1 /string
+                REPEAT  THEN \ there are unparseable characters left
+            2drop rdrop false
+        ELSE
+            rdrop 2drop r> ?dnegate true
+        THEN
     ELSE
-	rdrop 2drop r> ?dnegate true
-    THEN
+        drop 2drop 0. false THEN
     r> base ! ;
 
 \ ouch, this is complicated; there must be a simpler way - anton