Re: new module 'calloc-posix'

[Karl Berry]

    > I guess the module rename would make it obvious to anyone using the old
    > 'malloc' module that they now need to choose which semantics they want,
    > the simpler 'malloc-gnu' or the POSIX-compliant 'malloc-posix'.

Haven't we implicitly been assuming/providing malloc-gnu since day 1?
Do we really need to force all gnulib users ('cause pretty much everyone
needs malloc, after all) to educate themselves about the issue and make
a choice?  Can we just keep malloc as malloc-gnu?