Fix test for socket.getfqdn() to also include the name returned by
socket.gethostname() in the check for a valid return.
Also clarified docs (official and docstring) that the value from gethostname()
is returned if gethostbyaddr() doesn't do the job.
diff --git a/Lib/socket.py b/Lib/socket.py
index f96a146..ee2457f 100644
--- a/Lib/socket.py
+++ b/Lib/socket.py
@@ -102,7 +102,7 @@
First the hostname returned by gethostbyaddr() is checked, then
possibly existing aliases. In case no FQDN is available, hostname
- is returned.
+ from gethostname() is returned.
"""
name = name.strip()
if not name or name == '0.0.0.0':