[U-Boot] blank line repeats last command

[Scott Wood]

Frank Svendsbøe wrote:
> I partly agree with David Collier on this matter. Before I discovered
> this was a feature,
> I was sure this was a bug, but I understand some of you reasoning..
> just not all. For instance,
> I can understand why it's handy when dumping memory, but what's the
> rationale behind
> having 'cp.b' repeating? It's annoying when writing large files to
> slow (NOR) flash.

Indeed it is.

IMHO, rather than select a few "dangerous" commands to exempt from autorepeat, 
it should be off for most commands and selectively enabled for a handful of 
commands where it's really useful (such as autoincrement dumps).

-Scott