divinum-officium/web/cgi-bin/horas/officium.pl

[ethoscatholicus]

if ($Ck) {
$version1 = $version; # save value for use in horas
$version2 = check_version($version2);
$version2 ||= $version;
if ($version eq $version2) { $version2 = 'Divino Afflatu - 1954'; }
if ($version eq $version2) { $version2 = 'Rubrics 1960 - 1960'; }
$lang1 = $lang2 = $langc;
}

[mbab]

What You mean?

[ethoscatholicus]

just marking two lines, of which I cannot see reason behind, trying to understand - why 2 lines of code required here, I think it is a bug maybe.

[mbab]

They are rare used to prevent compare same versions.
Eg. When You are browsing 1960 rubrics and never use Compare before.