T53: reviewed, ticked

TASKS.md

@@ -134,7 +134,7 @@ Progress truth. Top to bottom, one at a time. A task is ticked only after its co
 
 - [x] T51 Ely stands inside the main window at its bottom left while no room lies above it, which the owner asked for after 0.1.4, where on a window at the screen's top or full screen she stuck between the menu bar and the terminal, on macOS, Windows and Linux: her bottom stands on the pane's top edge while her box fits under the top of the work area of the main window's display, else on the pane's bottom edge, as far in from the left; on Wayland, which tells a client nothing of its place, on the bottom edge while the window is full screen, maximized or tiled at its top as gpui reports it, which it does for a window it draws itself.
 - [x] T52 A press wakes Ely from her doze, which the owner asked for: she dozes after five calm minutes since the later of her mood's start and the last press, so a press wakes her for five more.
-- [ ] T53 Ely's window shows nothing but her, which the owner asked for after a line showed along its top on macOS: there her window is a borderless panel, without the titled frame gpui's popup carries, whose edge macOS draws; on Windows and Linux her window shows no frame, border or shadow.
+- [x] T53 Ely's window shows nothing but her, which the owner asked for after a line showed along its top on macOS: there her window is a borderless panel, without the titled frame gpui's popup carries, whose edge macOS draws; on Windows and Linux her window shows no frame, border or shadow.
 
 ## 29. Release