Creates a ranked list of email addresses from local email files, which can be used for address completion for example in aerc.
This would certainly require caching. But the complexity might not be worth the hassle. But of course it would open the possibility for generating an addressbook without having to have the mail locally.
This issue appears to be discussing a feature request or bug report related to the repository. Based on the content, it seems to be still under discussion. The issue was opened by ferdinandyb and has received 1 comments.