threads: do not refer to "daemon" threads (#2282)

fw-immunant · web-flow · commit 991bd8ceb7c3 · 2024-08-13T14:28:08.000Z
This is the last remaining fix left from #63.
diff --git a/src/concurrency/threads/plain.md b/src/concurrency/threads/plain.md
@@ -25,7 +25,8 @@ fn main() {
 }
 ```
 
-- Threads are all daemon threads, the main thread does not wait for them.
+- Spawning new threads does not automatically delay program termination at the
+  end of `main`.
 - Thread panics are independent of each other.
   - Panics can carry a payload, which can be unpacked with `downcast_ref`.
 

Original file line number	Diff line number	Diff line change
`@@ -25,7 +25,8 @@ fn main() {`
`25`	`25`	`}`
`26`	`26`	```
`27`	`27`
`28`		`-- Threads are all daemon threads, the main thread does not wait for them.`
	`28`	`+- Spawning new threads does not automatically delay program termination at the`
	`29`	+ end of `main`.
`29`	`30`	`- Thread panics are independent of each other.`
`30`	`31`	- Panics can carry a payload, which can be unpacked with `downcast_ref`.
`31`	`32`