Re: [PATCH v3 1/2] Revert "fmt-merge-msg: stop treating `master` specially"

> preparing the default merge message.  As the goal was not to have
> any single branch designated as special, it solved it by leaving the
> "into <branchname>" at the end of the title of the default merge
> message for any and all branches.  An obvious and easy alternative
> to treat everybody equally could have been to remove it for every
> branch, but that involves loss of information.
>
> We'll introduce a new mechanism to let end-users specify merges into
> which branches would omit the "into <branchname>" from the title of
> the default merge message, and make the mechanism, when unconfigured,
> treat the traditional 'master' special again, so all the changes to
> the tests we made earlier will become unnecessary, as these tests
> will be run with out configuring the said new mechanism.