This might improve the output of `git diff` in certain cases. Especially
`git diff --word-diff` will be much more useful.
Does not affect the generated code, may be backported for consistency if
desired.
Commit .gitattributes to the repository to allow GitHub downloads to
properly fill in the SUBVERS and VERDATE files. It also prevents the
engineer in charge of the release to forget creating it when a new branch
is released.
see https://www.mail-archive.com/haproxy@formilux.org/msg38107.html
No functional change, may be backported everywhere.