gentoo-locomotion/x11-misc/shared-mime-info/files/shared-mime-info-xmlto-skip-validation.patch

--- a/data/meson.build
+++ b/data/meson.build
@@ -26,6 +26,7 @@ if xmlto.found()
             xmlto,
             '-o', '@OUTPUT@',
             'html-nochunks',
+            '--skip-validation',
             '@INPUT@',
         ],
         build_by_default: true,