[Checkins] [zopefoundation/Zope] 8d80e2: added isUrl check to form element in modal win

[drfho]

  Branch: refs/heads/issue_490
  Home:   https://github.com/zopefoundation/Zope
  Commit: 8d80e2697a14d2d04eb4466eec78c8ef97d5ca5a
      https://github.com/zopefoundation/Zope/commit/8d80e2697a14d2d04eb4466eec78c8ef97d5ca5a
  Author: drfho <Dr.Frank.Hoffmann at web.de>
  Date:   2019-02-15 (Fri, 15 Feb 2019)

  Changed paths:
    M src/zmi/styles/resources/zmi_base.js

  Log Message:
  -----------
  added isUrl check to form element in modal win