Dear Heiko,
> And make-inp-rules.pl filters out lines with "inputenc Error":
>
> if (!($1 =~ /inputenc Error/)) {
>
> Refinement for the "robust" error messages, e.g.:
>
> if (!($1 =~ /inputenc Error|\@inpenc\@undefined/)) {
>
> Then I get the same latin3.xdy file as before.
Confirmed. Thanks very much.
Best,
Akira