comments on interop with other servers

diff --git a/doc/plugins/404.mdwn b/doc/plugins/404.mdwn
index bf033202ab18972521b9fc50eacc41134138e25e..ab6ac4deab41a1c7312d66310c2e36576e6aeb2b 100644 (file)
--- a/doc/plugins/404.mdwn
+++ b/doc/plugins/404.mdwn
@@ -13,4 +13,11 @@ file:
 (The path here needs to be whatever the path is to the ikiwiki.cgi from
 the root of your web server.)
 
 (The path here needs to be whatever the path is to the ikiwiki.cgi from
 the root of your web server.)
 

+This plugin might also be useful on some non-Apache web servers, if they provide the
+`REDIRECT_STATUS` and `REDIRECT_URL` environment variables to their 404 handlers.
+`REDIRECT_STATUS` should be `404` and `REDIRECT_URL` should be the path
+part of the URL (for instance it would be `/plugins/404/` if this page was missing).

 
 

+If you would like help with adapting this plugin for a different web server,
+you will need to provide the output of
+[[this 404 handler|forum/nginx:_404_plugin_not_working#comment-6b1607f7961d2873517d4780f56ac3ad]].