> if
> the luatexbase maintainers agree, input ltluatex and fill any gaps, but
> it may be by the time we are done, there are no gaps that need filling.

I'm in favor of the global idea, the best would be that the only
compatibility layer needed is

    luatexbase = latex

in lua...

I hope luatex.sty will accept changes too.

Thank you,
-- 
Elie