echo_add_key      615 src/keyboard.c 	    echo_add_key (c);
echo_add_key      531 test/manual/etags/c-src/emacs/src/keyboard.c       echo_add_key (c);
echo_add_key     9142 test/manual/etags/c-src/emacs/src/keyboard.c 	      echo_add_key (key);