schleuder.org: Broken links

URL        `schleuder'
Name       `Schleuder'
Parent URL https://schleuder.org/schleuder-web/, line 39, col 60
Real URL   https://schleuder.org/schleuder-web/schleuder
Check time 1.548 seconds
Size       221B
Result     Error: 404 Not Found

URL        `contact.html'
Name       `contact'
Parent URL https://schleuder.org/schleuder-web/, line 49, col 40
Real URL   https://schleuder.org/schleuder-web/contact.html
Check time 2.101 seconds
Size       224B
Result     Error: 404 Not Found

URL        `schleuder'
Name       `Schleuder'
Parent URL https://schleuder.org/schleuder-cli/, line 39, col 62
Real URL   https://schleuder.org/schleuder-cli/schleuder
Check time 1.167 seconds
Size       221B
Result     Error: 404 Not Found
 9 threads active,     0 links queued,   46 links in  58 URLs checked, runtime 11 seconds

URL        `contact.html'
Name       `contact'
Parent URL https://schleuder.org/schleuder-cli/, line 49, col 40
Real URL   https://schleuder.org/schleuder-cli/contact.html
Check time 1.546 seconds
Size       224B
Result     Error: 404 Not Found

URL        `contact.html'
Name       `contact'
Parent URL https://schleuder.org/schleuder/, line 54, col 40
Real URL   https://schleuder.org/schleuder/contact.html
Check time 1.698 seconds
Size       220B
Result     Error: 404 Not Found

URL        `older/'
Name       `older docs'
Parent URL https://schleuder.org/schleuder/docs/older/3.1/, line 72, col 148
Real URL   https://schleuder.org/schleuder/docs/older/3.1/older/
Check time 0.849 seconds
Size       229B
Result     Error: 404 Not Found