Name the unbind's path in the drain decision, and drop a request() doc a bind falsifies

docs/decisions.md

@@ -584,7 +584,7 @@ rule and an index of the titles below.
   a peer's own `unbind` take `end()`: nothing on a dead link can answer, an abort means stop now, and
   a peer that has declared itself finished will not answer what it still owes, so draining any of the
   three would only hold a socket open for the timeout. `unbind()` sends its own PDU through
-  `request()` past both the window and the drain gate, because it must go out either way.
+  `requestPastDrainGateAndWindow()`, because it must go out either way.
   `shutdownTimeout` stays a session option rather than a `close()` argument: `server()` builds
   sessions on the caller's behalf, so the option is the only composition point. `SmppServer.close()`
   reports each session's unfinished drain through `serverError`, because its own result says nothing
@@ -772,9 +772,9 @@ rule and an index of the titles below.
   `OutgoingRequests.canCarry()` reads it rather than `closed`. The gate is told what happened and
   never reads back into the session: a collaborator that has to ask does not own its decision, which
   is how the first cut ended up answering the same question two different ways at admit and at
-  release. The retry in `requestPastDrain()` asks `gate.awaitsNextLink()` rather than `canCarry()`, which also
+  release. The retry in `requestPastDrain()` asks `gate.awaitsNextLink()` rather than `canCarry()`,
-  reads the socket: a loop condition the gate does not gate on spins against a gate that admits it
+  which also reads the socket: a loop condition the gate does not gate on spins against a gate that
-  straight back.
+  admits it straight back.
 
 
 ## Internals and tests

src/outgoing-requests.ts

@@ -81,7 +81,7 @@ export class OutgoingRequests {
 		this.pending.settle(seqNr, { err });
 	}
 
-	/** Sends a request once the gate has a link and the window a slot, and resolves with the peer's response. */
+	/** Sends a request and resolves with the peer's response. */
 	request(input: PduObjectInput, options: SendOptions): Promise<Result<{ pduObj: PduObject }>> {
 		// Ahead of the drain, so a misuse is named as one rather than blamed on the shutdown.
 		const wrong = misuse(input);