$OpenBSD: patch-mod_gzip_c,v 1.1.1.1 2001/07/15 22:52:46 avsm Exp $
--- mod_gzip.c.orig	Tue Jun 19 22:07:58 2001
+++ mod_gzip.c	Tue Jun 19 22:11:22 2001
@@ -7328,6 +7328,19 @@ long         content_length
                   hbytes_out += mod_gzip_send(lbuf,mod_gzip_strlen(lbuf),r);
                  }
 
+               sprintf( lbuf, "Vary: Accept-Encoding" );
+
+               #ifdef MOD_GZIP_DEBUG1
+               mod_gzip_printf( "%s: HEADER: ADDING: lbuf=[%s]",cn,npp(lbuf));
+               #endif
+
+               mod_gzip_strcat( lbuf, "\r\n" );
+
+               if ( send_header )
+                 {
+                  hbytes_out += mod_gzip_send(lbuf,mod_gzip_strlen(lbuf),r);
+                 }
+
                sprintf( lbuf, "Content-Length: %ld",(long)content_length);
 
                #ifdef MOD_GZIP_DEBUG1
