Re: [PATCH v4 3/3] doc: more consistency in environment variables format

> Wrap with backticks (monospaced font) unwrapped or single-quotes wrapped
> (italic type) environment variables which are followed by the word
> "environment". It was obtained with:
>
> perl -pi -e "s/\'?(\\\$?[0-9A-Z\_]+)\'?(?= environment ?)/\`\1\`/g" *.txt
>
> One of the main purposes is to stick to the CodingGuidelines as possible so
> that people writting new documentation by mimicking the existing are more likely
> to have it right (even if they didn't read the CodingGuidelines).
>
> Signed-off-by: Tom Russello <tom.russello@grenoble-inp.org>
> Signed-off-by: Erwan Mathoniere <erwan.mathoniere@grenoble-inp.org>
> Signed-off-by: Samuel Groot <samuel.groot@grenoble-inp.org>
> Signed-off-by: Matthieu Moy <matthieu.moy@grenoble-inp.fr>
> ---
> One reason behind the creation of this patch is that patch [2/3] led to minor
> inconsistencies in some sentences as it only deals with GIT_* environment
> variables and let others unchanged (for example `GIT_ASKPASS` and 'SSH_ASKPASS'
> in Documentation/config.txt).
>
> For this one, I had to manually change GIT_AUTHOR_DATE
> (Documentation/date-formats.txt - l.4) and GIT_EXTERNAL_DIFF
> (Documentation/diff-generate-patch.txt - l.9) as the perl command didn't manage
> these cases and so created minor inconsistencies.