RichardLake

Yes, just ask for one. Consider

  list_length(A, -1) 

this is asking if any list A has a length of -1. If the guard is not there the second rule is valid, and a infinite recursion can result.

The devs have put up their meeting notes. http://meetings.lede-project.org/lede-adm/2016/lede-adm.2016...

There is some discussion starting around 1230. My reading is that they thought that the OpenWPT reputation re: development matters was poor.