git: 1661a0bd55 - main - man.cgi: improve os grouping on help page

The branch main has been updated by wosch:

URL: https://cgit.FreeBSD.org/doc/commit/?id=1661a0bd55d6c7a08d8c0ff1178e4b54e7a07aef

commit 1661a0bd55d6c7a08d8c0ff1178e4b54e7a07aef
Author:     Wolfram Schneider <wosch@FreeBSD.org>
AuthorDate: 2026-09-30 08:44:57 +0000
Commit:     Wolfram Schneider <wosch@FreeBSD.org>
CommitDate: 2026-09-30 08:44:57 +0000

    man.cgi: improve os grouping on help page
---
 website/content/en/cgi/man.cgi | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/website/content/en/cgi/man.cgi b/website/content/en/cgi/man.cgi
index d03f3314dd..4b1d6c83c5 100755
--- a/website/content/en/cgi/man.cgi
+++ b/website/content/en/cgi/man.cgi
@@ -1343,8 +1343,13 @@ sub sort_manpath {
 sub grouping_os {
     my $os = shift;
 
+    # Plan 9
+    if ($os =~ /^([A-Za-z]+)\s+\d$/) {
+        return $os;
+    } 
+
     # FreeBSD 13.5-RELEASE and Ports: "FreeBSD"
-    if ($os =~ /^([A-Za-z0-9\-]+)\s+\d/) {
+    elsif ($os =~ /^([A-Za-z0-9\-]+)\s+\d/) {
         return $1;
     } 
 
@@ -1354,7 +1359,7 @@ sub grouping_os {
     }
 
     # Dell UNIX SVR4 2.2: "Dell UNIX"
-    elsif ($os =~ /^([A-Za-z]+\s+[A-Za-z]+)/) {
+    elsif ($os =~ /^([A-Za-z]+\s+[A-Za-z]+)\s.*\d/) {
         return $1;
     }
 
@@ -1368,11 +1373,6 @@ sub grouping_os {
         return $1;
     }
 
-    # OSF1 V5.1/alpha: "OSF1"
-    elsif ($os =~ /^([A-Za-z0-1]+\s+[A-Za-z])/) {
-        return $1;
-    }
-
     # first word
     elsif ($os =~ /^(\w+)/) {
         return $1;
@@ -2586,8 +2586,12 @@ sub detail_html {
    my ($os_group, $os_group_lc, @l) = @_;
 
    my @list;
+   my $text = scalar(@l) . " release";
+   # release <-> releases
+   $text .= "s" if scalar(@l) > 1;
+
    push @list, qq[<details id="$os_group_lc">\n];
-   push @list, qq|<summary>$os_group (@{[ scalar(@l) ]} releases)</summary>\n|;
+   push @list, qq|<summary>$os_group ($text)</summary>\n|;
    push @list, "<ul>\n", @l, "</ul>\n</details>\n";
 
    return @list;