help: Clarify descriptions of public/private streams.

Most important is adding the icons to help users understand the
recipients of the stream, but we also use clearer language that better
matches that present in the user interface.
This commit is contained in:
Tim Abbott 2021-10-25 14:55:13 -07:00 committed by Tim Abbott
parent e6a3f49ba8
commit 5dd8fbdf19
1 changed files with 10 additions and 8 deletions

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# Stream privacy settings
Streams are similar to chatrooms, IRC channels, or email lists in that they
determine who receives a message. There are three types of streams in Zulip.
determine who receives a message. Zulip supports a few types of streams:
* **Public**: Members can join and view the complete message history.
* **Public** (**#**): Members can join and view the complete message history.
Public streams are visible to Guest users only if they are
subscribed (exactly like private streams with shared history).
* **Private, shared history**: You must be added by a member of the
stream. The complete message history is available as soon as you are
added.
* **Private, protected history**: You must be added by a member of the
stream. You only have access to the messages that are sent after you are added.
* **Private** (<i class="fa fa-lock"></i>): New subscribers must be
added by an existing subscriber. Only subscribers and organization
administrators can see the stream's name and description, and only
subscribers can view topics and messages with the stream:
* In **private streams with shared history**, new subscribers can
access the stream's full message history.
* In **private streams with protected history**, new subscribers
can only see messages sent after they join.
## Privacy model for private streams