Added skype: to list of recognized but ignored URL schemes.

doc/changelog.txt

@@ -20,6 +20,8 @@ Changes:
 - checking: Remove the unnormed URL warning. URLs can be written
   in more than one way and there is no norm.
   Closes: SF bug #1575800
+- checking: Add "skype:" to list of ignored URL schemes.
+  Closes: SF bug #2989086
 
 Features:
 - ftp: Detect and support UTF-8 filename encoding capability of FTP

linkcheck/checker/unknownurl.py

@@ -58,6 +58,7 @@ acap        # application configuration access protocol
 |javascript # JavaScript
 |gopher     # Gopher
 |isbn       # ISBN (int. book numbers)
+|skype      # Skype
 ):"""
 
 ignored_schemes_re = re.compile(ignored_schemes, re.VERBOSE)

tests/checker/test_unknown.py

@@ -0,0 +1,36 @@
+# -*- coding: iso-8859-1 -*-
+# Copyright (C) 2010 Bastian Kleineidam
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+"""
+Test checking of unknown URLs.
+"""
+from . import LinkCheckTest
+
+
+class TestUnknown (LinkCheckTest):
+    """Test unknown URL scheme checking."""
+
+    def test_skype (self):
+        url = u"skype:"
+        nurl = self.norm(url)
+        resultlines = [
+            u"url %s" % url,
+            u"cache key %s" % nurl,
+            u"real url %s" % nurl,
+            u"warning Skype URL ignored.",
+            u"valid",
+        ]
+        self.direct(url, resultlines)