Replying.

doc/todo/mirrorlist_with_per-mirror_usedirs_settings.mdwn

@@ -48,3 +48,14 @@ and decided this time it was really needed to implement this feature.
 >>      $untainted{$key} = possibly_foolish_untaint($tainted->{key});
 >>
 >> --[[smcv]]
+
+>>> You are fully right about the complex `$config` entries. I'll
+>>> convert this to use what you are suggesting, i.e. what we ended up
+>>> choosing for the `po_slave_languages` setting.
+>>>
+>>> About the merges in this branch: Joey told me once he did not care
+>>> about this; moreover the `--no-merges` git log option makes it
+>>> easy to filter these out. I'll try merging tagged releases only in
+>>> the future, though.
+>>>
+>>> --[[intrigeri]]