Re: make history-complete-older do nothing on empty string

[Ray Andrews <rayandrews@eastlink.ca>]

On 03/12/37 04:10 AM, Ray Andrews wrote:
> Dunno. I want it to do nothing too if that's what you are asking.
> Yeah.  It seems to me that the thing would/should know that it has 
> nothing to do.  It's sorta like writing a program to find the first 
> prime number divisible by two, the program will run for a long time 
> without producing much.  I'm wondering if the devs just overlooked 
> that, or if perhaps the idea of completion on an empty string might 
> actually have some sort of meaning.  Completion seems to be such a 
> complex thing that maybe it does -- the sound of one hand clapping.
>
Come to think, that's bad logic.  The reverse is the case.  Since 
completion is a progressive exclusion, if the search string is empty, 
then everything is matched because nothing is excluded.  It might not be 
very useful, but it is not logically invalid.
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