area: searchhelp wantedin progressnew featurepost releasepriority: high
描述
We should make it possible to search all channel messages that you have access to, in private and public channels, with a channels:all filter.
- Typeahead
- Label: All channels (including unsubscribed)
- Ordering: Just above "All public channels"
- Add to help center at https://zulip.com/help/search-for-messages#searching-shared-history
- Add to
?menu documentation just aboveis:publicas "Search all channels, including unsubscribed."
As an immediate follow-up, we should also consider suggesting channels:all rather than channels:public when no search results are found.