Index: doctype/mailfolder.cxx
--- doctype/mailfolder.cxx.orig
+++ doctype/mailfolder.cxx
@@ -115,7 +115,7 @@ Author:		Edward C. Zimmermann, edz@bsn.com
 Distribution:   Isite modifications by A. Warnock (warnock@clark.net)
 @@@-*/
 
-#include <iostream.h>
+#include <iostream>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -181,7 +181,7 @@ GDT_BOOLEAN MAILFOLDER::accept_tag(const PCHR tag) con
 #if RESTRICT_MAIL_FIELDS
   // Mail tags that we want, if it is not
   // here then we igonre it.
-  static char * Keywords[] = {
+  static const char * Keywords[] = {
     /* Must be sorted! */
     "Bcc",
     "Cc",
