commands: Handle `t<ENTER>` as till newline

helix-term/src/commands.rs

@@ -348,11 +348,18 @@ where
 
     // need to wait for next key
     cx.on_next_key(move |cx, event| {
-        if let KeyEvent {
+        let ch = match event {
+            KeyEvent {
+                code: KeyCode::Enter,
+                ..
+            } => '\n',
+            KeyEvent {
                 code: KeyCode::Char(ch),
                 ..
-        } = event
+            } => ch,
-        {
+            _ => return,
+        };
+
         let (view, doc) = cx.current();
         let text = doc.text().slice(..);
 
@@ -369,7 +376,6 @@ where
         });
 
         doc.set_selection(view.id, selection);
-        }
     })
 }