diagrams/diagrams-contrib — pull request #23 by bergey (2013-10-23 15:37:30+00:00)
Title: Metafont

This fixes a bug in functions using hobbyF, and implements the interesting parts of https://github.com/diagrams/diagrams-contrib/issues/18. #18 should now work if you replace `{up`}` with {0,1}. The full example from page 127 is included in the Tests file.