• Have you followed the guidelines in our Contributing document?
• Have you checked to ensure there aren't other open Pull Requests for the same change?
• Have you added an explanation of what your changes do and why you'd like us to include them?
• [n/a] Have you written new tests for your changes? Here's an example.
• Have you successfully run brew style with your changes locally?
• Have you successfully run brew tests with your changes locally?

Commands which define one of the global options (--force, --quiet, --verbose, --debug) with specific behaviour don't currently list them in their man page entries, although they are listed under brew help <cmd>. This change allows global options with customized descriptions to be included in the man page.