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/pty.rs

@@ -186,7 +186,7 @@ impl Pty {
 
 #[cfg(all(test, unix))]
 impl Pty {
-    /// Whether the program reads keys one by one, as a line editor does.
+    /// Whether the program reads raw keys, canonical mode off.
     pub(crate) fn reads_keys(&self) -> bool {
         use rustix_openpty::rustix::termios::{LocalModes, tcgetattr};
         let modes = tcgetattr(&self.master).expect("the pty's modes");