Change Details

**Steps to reproduce** # `python pwb.py shell` # `insite = pywikibot.Site('mediawiki', 'mediawiki')` # `site = pywikibot.Site('cs') # or whatever else than mediawiki` # `pywikibot.Page(site, 'Page in site', insite=insite)` **Expected behavior** The link with **insite** should point from insite to site correctly. **Current behavior** The produced link is red, because it looks like: `[[mediawiki:Page in site]]`, which is not valid mediawiki interwiki. See an [[http://vojnaenciklopedija.com/index.php/%D0%9F%D0%BE%D1%81%D0%B5%D0%B1%D0%BD%D0%BE:%D0%94%D0%BE%D0%BF%D1%80%D0%B8%D0%BD%D0%BE%D1%81%D0%B8/Zoranzoki21|example]]. **Configuration** Python 3.6.4, Pywikibot latest commit in master