[Checkins] [zopefoundation/z3c.relationfield] 675697: docs

[Nathan Van Gheem]

  Branch: refs/heads/broken-event
  Home:   https://github.com/zopefoundation/z3c.relationfield
  Commit: 675697ca476422fecae64983d37dfa4ff3811a49
      https://github.com/zopefoundation/z3c.relationfield/commit/675697ca476422fecae64983d37dfa4ff3811a49
  Author: vangheem <vangheem at gmail.com>
  Date:   2019-03-20 (Wed, 20 Mar 2019)

  Changed paths:
    M src/z3c/relationfield/event.py
    M src/z3c/relationfield/interfaces.py

  Log Message:
  -----------
  docs