Re: [PATCH v3 0/8] config: add --fixed-value option

> Thanks.  The only thing that still stand out, after the first 7
> patches (queued as its own "add --fixed-value option to config"
> topic) are queued, is that the early part of the documentation,
> namely, a paragraph where it mentions value-pattern, still lives
> in the world where it can only be a regexp.
> 
> Perhaps insert the following between step 7 and 8?

> --- >8 ------ >8 ------ >8 ------ >8 ------ >8 ------ >8 ---
> Subject: config doc: value-pattern is not necessarily a regexp
> 
> The introductory part of the "git config --help" mentions the
> optional value-pattern argument, but give no hint that it can be
> something other than a regular expression (worse, it just says
> "POSIX regexp", which usually means BRE but the regexp the command
> takes is ERE).  Also, it needs to be documented that the '!' prefix
> to negate the match, which is only mentioned in this part of the
> document, works only with regexp and not with the --fixed-value.
> 
> Signed-off-by: Junio C Hamano <gitster@pobox.com>
> ---
>  Documentation/git-config.txt | 11 +++++++----
>  1 file changed, 7 insertions(+), 4 deletions(-)
> 
> diff --git c/Documentation/git-config.txt w/Documentation/git-config.txt
> index 09a1d273a9..0e9351d3cb 100644
> --- c/Documentation/git-config.txt
> +++ w/Documentation/git-config.txt
> @@ -33,10 +33,13 @@ escaped.
>  
>  Multiple lines can be added to an option by using the `--add` option.
>  If you want to update or unset an option which can occur on multiple
> -lines, a POSIX regexp `value-pattern` needs to be given.  Only the
> -existing values that match the regexp are updated or unset.  If
> -you want to handle the lines that do *not* match the regex, just
> -prepend a single exclamation mark in front (see also <<EXAMPLES>>).
> +lines, a `value-pattern` (which is an extended regular expression,
> +unless the `--fixed-value` option is given) needs to be given.  Only the
> +existing values that match the pattern are updated or unset.  If
> +you want to handle the lines that do *not* match the pattern, just
> +prepend a single exclamation mark in front (see also <<EXAMPLES>>),
> +but note that this only works when the `--fixed-value` option is not
> +in use.
>  
>  The `--type=<type>` option instructs 'git config' to ensure that incoming and
>  outgoing values are canonicalize-able under the given <type>.  If no
>