some preparations for 1.2.3: bump version

wiki.pl?action=links&exists=1

wiki.pl: Use of uninitialized value $pgExists{"UseMod"} in numeric ne (!=) at /var/www/cgi-bin/wiki.pl line 4065.

Changelog

@@ -1,4 +1,7 @@
 
+Changes for bugfix release 1.2.3 (August 16, 2025):
+* fix warnings
+
 Changes for release 1.2.2 (November 10, 2023):
 * fix HTML markup, no XHTML
 * domain has changed to usemod.org

config

@@ -1,5 +1,5 @@
 # == Configuration =====================================================
-# Original version from UseModWiki 1.2.2
+# Original version from UseModWiki 1.2.3
 
 $CookieName  = "Wiki";          # Name for this wiki (for multi-wiki sites)
 $SiteName    = "Wiki";          # Name of site (used for titles)
@@ -43,7 +43,7 @@ $StartUID    = 1001;            # Starting number for user IDs
 $UploadDir   = '';              # Full path (like /foo/www/uploads) for files
 $UploadUrl   = '';              # Full URL (like http://foo.com/uploads)
 @ImageSites  = qw();            # Url prefixes of good image sites: ()=all
-$Salt        = 'pepper';        # Salt for generating an EditHash,
+$Salt        = 'pepper123';     # Salt for generating an EditHash,
                                 # please choose something other here!
 
 # Major options:

wiki.pl

@@ -1,8 +1,8 @@
 #!/usr/bin/perl -wT
-# UseModWiki version 1.2.2 (November 10, 2023)
+# UseModWiki version 1.2.3 (August 16, 2025)
 # Copyright (C) 2000-2003 Clifford A. Adams  <caadams@usemod.com>
 # Copyright (C) 2002-2003 Sunir Shah  <sunir@sunir.org>
-# with some changes from  Markus Lude <markus.lude@gmx.de>
+# with some changes from  Markus Lude <markus@usemod.org>
 #
 # Based on the GPLed AtisWiki 0.3  (C) 1998 Markus Denker
 #    <marcus@ira.uka.de>
@@ -2335,11 +2335,12 @@ sub GetDiffHTML {
 
 sub GetCacheDiff {
   my ($type) = @_;
-  my ($diffText);
+  my $diffType;
+  my $diffText = "";
 
-  $diffText = &GetPageCache("diff_default_$type");
-  $diffText = &GetCacheDiff('minor')  if ($diffText eq "1");
-  $diffText = &GetCacheDiff('major')  if ($diffText eq "2");
+  $diffType = &GetPageCache("diff_default_$type") || "";
+  $diffText = &GetCacheDiff('minor')  if ($diffType eq "1");
+  $diffText = &GetCacheDiff('major')  if ($diffType eq "2");
   return $diffText;
 }
 
@@ -4058,10 +4059,10 @@ sub GetFullLinkList {
       if (($unique > 0) && ($seen{$link} != 1)) {
         next;
       }
-      if (($exists == 0) && ($pgExists{$link} == 1)) {
+      if (($exists == 0) && ($pgExists{$link})) {
         next;
       }
-      if (($exists == 1) && ($pgExists{$link} != 1)) {
+      if (($exists == 1) && (not $pgExists{$link})) {
         next;
       }
       if (($search ne "") && !($link =~ /$search/)) {
@@ -5122,7 +5123,7 @@ sub RenamePage {
 
 sub DoShowVersion {
   print &GetHeader('', T('Displaying Wiki Version'), '');
-  print "<p>UseModWiki version 1.2.2</p>\n";
+  print "<p>UseModWiki version 1.2.3</p>\n";
   print &GetCommonFooter();
 }