Proposal: Add --with-libedit flag to the readline package

[Isaac Dupree]

Judah Jacobson wrote:
> I think that in an effort to clarify matters, I made them more muddled. :-)
> 
> By "they don't overlap" I meant that neither header (histedit.h vs.
> readline.h) imports the other and that they can be used independently.
>  But *both* headers are present on *all* distributions of editline,
> not just Apple's.  Implementing #2 is sufficient to getting editline
> working on all platforms.

interesting... how do all platforms, even ones with Readline installed 
in a traditional Unix filesystem layout, manage to distribute Editline 
also with readline/readline.h?  Shouldn't there be a non-overlapping 
header name that exports the same compatibility interface?

~Isaac