Re: [PATCH 4/4] allow recovery from command name typos

> If suggestions are available (based on Levenshtein distance) and if the
> terminal isatty(), present a prompt to the user to select one of the
> computed suggestions.
> 
> In the case where there is a single suggestion, present the prompt
> "[Y/n]", such that "", "y" and "Y" as input leads git to proceed
> executing the suggestion, while everything else (possibly "n") leads git
> to terminate.
> 
> In the case where there are multiple suggestions, number the suggestions
> 1 to n, and accept as input one of the numbers, while everything else
> (possibly "n") leads git to terminate. In this case there is no default;
> that is, an empty input leads git to terminate. A sample run:
> 
>   $ git sh --pretty=oneline
>   git: 'sh' is not a git command. See 'git --help'.
> 
>   Did you mean one of these?
>   1:	show
>   2:	push
>   [1/2/.../n] 1