texi.patch

--- a/doc/t2h.pm	2024-08-01 01:10:54.000000000 +0100
+++ b/doc/t2h.pm	2025-01-29 00:53:39.292399850 +0000
@@ -140,7 +140,7 @@ sub ffmpeg_heading_command($$$$$)
             }
         }
 
-        if ($self->in_preformatted()) {
+        if ($self->{'context'}->[-1] eq 'preformatted') {
             $result .= $heading."\n";
         } else {
             # if the level was changed, set the command name right
@@ -252,15 +252,54 @@ sub ffmpeg_program_string($)
   if (defined($self->get_conf('PROGRAM'))
       and $self->get_conf('PROGRAM') ne ''
       and defined($self->get_conf('PACKAGE_URL'))) {
-    return $self->convert_tree(
-      $self->gdt('This document was generated using @uref{{program_homepage}, @emph{{program}}}.',
-         { 'program_homepage' => $self->get_conf('PACKAGE_URL'),
-           'program' => $self->get_conf('PROGRAM') }));
+    my $program_homepage = $self->get_conf('PACKAGE_URL');
+    my $program = $self->get_conf('PROGRAM');
+
+    # Create a tree structure for the message
+    my $tree = {
+      'type' => 'paragraph',
+      'contents' => [
+        {
+          'type' => 'text',
+          'text' => 'This document was generated using ',
+        },
+        {
+          'type' => 'uref',
+          'url' => $program_homepage,
+          'contents' => [
+            {
+              'type' => 'emph',
+              'contents' => [
+                {
+                  'type' => 'text',
+                  'text' => $program,
+                },
+              ],
+            },
+          ],
+        },
+        {
+          'type' => 'text',
+          'text' => '.',
+        },
+      ],
+    };
+    return $self->convert_tree($tree);
   } else {
-    return $self->convert_tree(
-      $self->gdt('This document was generated automatically.'));
+    # Create a tree structure for the default message
+    my $tree = {
+      'type' => 'paragraph',
+      'contents' => [
+        {
+          'type' => 'text',
+          'text' => 'This document was generated automatically.',
+        },
+      ],
+    };
+    return $self->convert_tree($tree);
   }
 }
+
 if ($program_version_6_8) {
     texinfo_register_formatting_function('format_program_string', \&ffmpeg_program_string);
 } else {