[tex4ht] erorr code 256, possible perl error code, come up with using --lua option with make4ht, error --- Improper dvi file

[Karl Berry]

    kb> Copying the dvilualatex command from the make4ht output and running it
    > by hand results in a perfectly fine .dvi file.

I was wrong.  It fails the first time for me too.  I was misled by
dvitype exit status.

    So does this mean dvilualatex  is generating bad dvi?

Apparently so.

I'll try reporting it in the luatex tracker.  We'll see.  

Thanks,
K