Re: Bug#844710: Fwd: Re: [Pkg-zsh-devel] Bug#844710: autocorrection suggested rm for typing mr without typing "y"

[Daniel Shahaf <d.s@xxxxxxxxxxxxxxxxxx>]

Bart Schaefer wrote on Sat, Nov 19, 2016 at 10:00:23 -0800:
> On Nov 19,  7:55am, Daniel Shahaf wrote:
> } Subject: Re: Bug#844710: Fwd: Re: [Pkg-zsh-devel] Bug#844710: autocorrecti
> }
> } Martin Steigerwald wrote on Fri, Nov 18, 2016 at 14:15:51 +0100:
> } > So two fixes to consider:
> } > 
> } > 1) Don't confirm on space, as thats to easy to trigger accidentally. :)
> } 
> } The code confirms on both tabs (since commit 7f1ce570) and spaces (since
> } before CVS).  Does anyone know a reason for doing this?
> 
> If you have a look at the zsh-workers article referenced by 7f1ce570,
> you'll see that both space and tab date from time immemorial; the patch
> in 7f1ce570 actually REMOVES the interpretation of tab as "yes" from
> the NO_RM_STAR_SILENT option, it didn't change CORRECT handling.
> 

I had looked at it, but missummarized it.  Mea culpa.

> Why it's this way probably has more to do with Paul Falstad's typing
> habits than anything else.  If you're used to hitting space or tab at
> a completion, and most of the time you believe the correction, then
> you probably want space and tab to mean "go ahead" anytime the shell
> is waiting for something.
> 
> Notice the RM_STAR_WAIT option for a similar situation.
> 
> While I don't use CORRECT and therefore personally don't much care
> what this prompt does, I question whether one person remarking about
> this after 25+ years of it being the way it has been, is a sufficient
> reason for us to immediately change it.

I didn't write the patch because a guy on the internet suggested it.
I wrote the patch because the semantics of tab and space at that point
are undocumented and I had been convinced by the argument that using
space to accept a correction violates the principle of least surprise.

If we do keep space and tab then we should document them.  

Daniel