Todd Vierling wrote:
> 
> : >How-To-Repeat:
> : 	Wish /bin/sh supported tab completion of command names, file
> : 	names, variable names, etc, like bash.
> 
> sh needs to be as lean and mean as possible, IMHO.  It's the shell used by
> your average Un*x script, so adding filename completion, line editing, blah,
> blah would add Feeping Creaturism to sh.  sh is also _statically_ linked

Uh... what do you mean *adding* line editing? It already uses libedit.
The additional cost of adding completion should be small.