Name every way a hold ends

src/held-messages.ts

@@ -27,7 +27,8 @@ type HoldEntry = {
 
 /**
  * One message offered to the application. A drain waits on it until the first of: `answered()`,
- * every listener that took it rejecting, no listener taking it, its deadline, or the link going.
+ * every listener that took it rejecting, no listener taking it or one throwing, a later message on
+ * its sequence number, its deadline, or the link going.
  */
 export class MessageHold {
 	private readonly entry: HoldEntry;
@@ -55,7 +56,7 @@ export class MessageHold {
 		if (this.working <= 0) this.answered();
 	}
 
-	/** At once, for a message nobody took: that is not work a shutdown can wait for. */
+	/** At once, for a message nobody took or a listener threw on: that is not work a shutdown can wait for. */
 	release(): void {
 		this.entry.release();
 	}