Remove ctrl+d and ctrl+g as quit shortcuts

README.md

@@ -62,7 +62,7 @@ Run the interactive terminal UI, useful for debugging or observing behavior. Pas
 
 #### Controls
 
-- `ctrl+q` or `ctrl+d` or `ctrl+g`: quit
+- `ctrl+q`: quit
 - Arrow keys or `ctrl+h/j/k/l`: move cursor
 - `A`-`Z`, `a`-`z`, `0`-`9`, and other printable characters: write character to grid at cursor
 - Spacebar: step the simulation one tick

tui_main.c

@@ -598,8 +598,6 @@ int main(int argc, char** argv) {
 
     switch (key) {
     case AND_CTRL('q'):
-    case AND_CTRL('d'):
-    case AND_CTRL('g'):
       goto quit;
     case KEY_UP:
     case AND_CTRL('k'):