fixed bug #2884754: URL validator does not accept one-character hostnames
fixed bug #2884754: URL validator does not accept one-character hostnames

systemctl/formencode,genixpro/formencode,systemctl/formencode,jvanasco/formencode,formencode/formencode,formencode/formencode,jvanasco/formencode,systemctl/formencode,genixpro/formencode,genixpro/formencode,jvanasco/formencode,formencode/formencode