Re: epub generation depends on perl Archive::ZIP module

[Gavin Smith]

> It would be better if we could avoid loading the rest of the module
> once the problem is detected, although I don't know if this is
> possible without calling "die".

I suppose one way would be to take the top-level code calling
functions like texinfo_register_handler and put them inside
a function like "import" or "init".  The loading code in
Texinfo::Config::GNUT_load_init_file would only call this
function if there were no errors.