v5.1.2

Version 5.1.2 (2018-02-04)

Patch:

• md2man-roff(1): fix ordered list numbering for nested list items.

  Thanks to thinca for contributing this patch in pull request #27:
  #27

Other:

• Upgrade to Rouge 3.0 for syntax highlighting.

• Upgrade to Rake 12.0 for build automation.