Bug 760978: Remove support for Internet Explorer 5 on Mac

buglist.cgi

@@ -104,18 +104,14 @@ my $format = $template->get_format("list/list", scalar $cgi->param('format'),
 # the bug list as HTML and they have not disabled it by adding &serverpush=0
 # to the URL.
 #
-# Server push is a Netscape 3+ hack incompatible with MSIE, Lynx, and others. 
-# Even Communicator 4.51 has bugs with it, especially during page reload.
-# http://www.browsercaps.org used as source of compatible browsers.
-# Safari (WebKit) does not support it, despite a UA that says otherwise (bug 188712)
-# MSIE 5+ supports it on Mac (but not on Windows) (bug 190370)
-# Opera supports it.
-#
+# Server push is compatible with Gecko-based browsers and Opera, but not with
+# MSIE, Lynx or Safari (bug 441496).
+
 my $serverpush =
   $format->{'extension'} eq "html"
     && exists $ENV{'HTTP_USER_AGENT'} 
       && $ENV{'HTTP_USER_AGENT'} =~ /(Mozilla.[3-9]|Opera)/
-        && (($ENV{'HTTP_USER_AGENT'} !~ /[Cc]ompatible/) || ($ENV{'HTTP_USER_AGENT'} =~ /MSIE 5.*Mac_PowerPC/))
+        && $ENV{'HTTP_USER_AGENT'} !~ /compatible/i
           && $ENV{'HTTP_USER_AGENT'} !~ /WebKit/
             && !defined($cgi->param('serverpush'))
               || $cgi->param('serverpush');