Re: [PATCH v2] completion: improve doc for complex aliases

> From: Philippe Blain <levraiphilippeblain@gmail.com>
>
> The completion code can be told to use a particular completion for
> aliases that shell out by using ': git <cmd> ;' as the first command of
> the alias. This only works if <cmd> and the semicolon are separated by a
> space, since if the space is missing __git_aliased_command returns (for
> example) 'checkout;' instead of just 'checkout', and then
> __git_complete_command fails to find a completion for 'checkout;'.
>
> The examples have that space but it's not clear if it's just for
> style or if it's mandatory. Explicitly mention it.
>
> Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
> ---
>     completion: improve doc for complex aliases
>     
>     Changes since v1:
>     
>      * fixed the typo pointed out by Eric
>      * added an explanation of why the space is mandatory, as suggested by
>        Linus
>