obsolete: refactor function for getting obsolete options...
obsolete: refactor function for getting obsolete options
The function for returning obsolete option values obtains all
options, validates, then returns the option that was requested.
Let's create a new function to return all obsolete option values
so callers needing multiple values can call that.
Differential Revision:
https://phab.mercurial-scm.org/D2667