Re: [PATCH v2 2/5] help: correct usage & behavior of "git help --guides"

>>> Further, shouldn't we mention this (git help -c) on the git config man
>>> page, e.g. "A list all available configuration variables can be
>>> generated by `git help -c`." 
>> Still feel this one would be useful (but may be out of scope of this series)
> We already have such a mention in the documentation, it pre-dates this
> series. I.e.:
>     
>     -c::
>     --config::
>             List all available configuration variables. This is a short
>             summary of the list in linkgit:git-config[1].
>     
> The "short summary" there is quite the understatement, but that wording
> was added in , 3ac68a93fd2 (help: add --config to list all available
> config, 2018-05-26) so it wasn't some mistake with the option drifting
> out of sync with an earlier implementation.
>
> I think what Nguyễn meant here was "much shorte than 'git help config'".