It'll be useful for tools and users to test and perhaps
visualize configs before reloading -httpd/-nntpd/-watch.
* support searching based on `git-patch-id --stable` to improve
bidirectional mapping of commits <=> emails
+
+* linter to check validity of config file
+
+* linter option and WWW endpoint to graph relationships and flows
+ between inboxes, addresses maildirs, coderepos, etc...