T23: the owner's checks on macOS: on macOS 27 gpui's Selection material drew no blur, so blur/macos gives the window's effect view underWindowBackground, radius 30; a button at each end of the title bar hides and shows its column, kept in the settings; shot reads an effect view's blur radius; new comments cut to ten words

src/term/shell/tests.rs

@@ -108,7 +108,7 @@ impl Run {
         }
     }
 
-    /// Types `line` at a prompt, once its line editor reads raw keys.
+    /// Types `line` once the line editor reads raw keys.
     fn send(&mut self, line: &str) {
         self.until("line editor", |run| run.pty.reads_keys());
         self.pty.write(format!("{line}\r").into_bytes());