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Emphasis on multiple filters in NIP-01 

As mentioned further down in NIP-01

> A REQ message may contain multiple filters.

The comma makes it more clear that the message array can container more than 3 items. So it is understood easily to match

```
// correct:
["REQ", <subscription_id>, filters1, filters2, …]
```

instead of 

```
// wrong:
["REQ", <subscription_id>, [filters1, filters2, …]]
```
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Josua Schmid 2023-12-22 14:54:17 +01:00 committed by GitHub
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@ -101,7 +101,7 @@ Relays expose a websocket endpoint to which clients can connect. Clients SHOULD
Clients can send 3 types of messages, which must be JSON arrays, according to the following patterns:
* `["EVENT", <event JSON as defined above>]`, used to publish events.
* `["REQ", <subscription_id>, <filters JSON>...]`, used to request events and subscribe to new updates.
* `["REQ", <subscription_id>, <filters JSON>, ...]`, used to request events and subscribe to new updates.
* `["CLOSE", <subscription_id>]`, used to stop previous subscriptions.
`<subscription_id>` is an arbitrary, non-empty string of max length 64 chars, that should be used to represent a subscription. Relays should manage `<subscription_id>`s independently for each WebSocket connection; even if `<subscription_id>`s are the same string, they should be treated as different subscriptions for different connections.