[PATCH v3 1/3] doc: clearer rule about formatting literals

[Tom Russello <tom.russello@grenoble-inp.org>]

Make the guideline text that we want for our documentation clearer.

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>
---
IMHO, the previous "rule" was not so clear on what we have to do and didn't give
a guideline to whether an environment variable has to be wrapped with backticks,
single-quotes or something else.

 Documentation/CodingGuidelines | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines
index 0ddd368..c6f8188 100644
--- a/Documentation/CodingGuidelines
+++ b/Documentation/CodingGuidelines
@@ -526,12 +526,13 @@ Writing Documentation:
  modifying paragraphs or option/command explanations that contain options
  or commands:
 
- Literal examples (e.g. use of command-line options, command names, and
- configuration variables) are typeset in monospace, and if you can use
- `backticks around word phrases`, do so.
+ Literal examples (e.g. use of command-line options, command names,
+ configuration and environment variables) must be typeset in monospace (i.e.
+ wrapped with backticks):
    `--pretty=oneline`
    `git rev-list`
    `remote.pushDefault`
+   `GIT_DIR`
 
  Word phrases enclosed in `backtick characters` are rendered literally
  and will not be further expanded. The use of `backticks` to achieve the
-- 
2.8.3