[Checkins] [zopefoundation/Zope] 7716ae: fixed JS function isURL()

[drfho]

  Branch: refs/heads/issue_490
  Home:   https://github.com/zopefoundation/Zope
  Commit: 7716aeb7e1ffcc48db5e9a30812b21265a1125cc
      https://github.com/zopefoundation/Zope/commit/7716aeb7e1ffcc48db5e9a30812b21265a1125cc
  Author: Dr. Frank Hoffmann <Dr. Frank Hoffmann at HAL01.fritz.box>
  Date:   2019-02-15 (Fri, 15 Feb 2019)

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

  Log Message:
  -----------
  fixed JS function isURL()