Use fixnum arithmetic everywhere. Various other small changes.

diff --git a/v7/src/runtime/string.scm b/v7/src/runtime/string.scm
index cb19ccfa4ae70573db7e4c0ca0926a508581e2c7..a2510eae714c9c99e9b34a850a4836dcd5a7c7c3 100644 (file)
--- a/v7/src/runtime/string.scm
+++ b/v7/src/runtime/string.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Id: string.scm,v 14.30 2000/04/13 22:18:09 cph Exp $
+$Id: string.scm,v 14.31 2000/04/13 22:21:01 cph Exp $
 
 Copyright (c) 1988-2000 Massachusetts Institute of Technology
 
@@ -424,7 +424,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 (define (substring-lower-case? string start end)
   (guarantee-substring string start end 'SUBSTRING-LOWER-CASE?)
   (%substring-lower-case? string start end))
-  
+
 (define (%substring-lower-case? string start end)
   (let find-lower ((start start))
     (and (fix:< start end)
@@ -925,7 +925,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 ;; menaingful message. Structuring the code this way significantly
 ;; reduces code bloat from large integrated procedures.
 
-
 (define-integrable (guarantee-string object procedure)
   (if (not (string? object))
       (error:wrong-type-argument object "string" procedure)))
@@ -948,7 +947,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   (error:wrong-type-argument object "valid string index"
                             procedure))
 
-
 (define-integrable (guarantee-substring string start end procedure)
   (if (not (and (string? string)
                (index-fixnum? start)