You must have an app running that can be communicated; otherwise driver.love
will hang until it finds one, and might need to be force-quit. (Also, bad
things will happen if you have _more than_ a single such app running. Or if
you close one app and open another without restarting the driver. Just always
open the app and then the driver. If you close the app, close the driver.)

You must have a client app running that can be communicated with and that
you're trying to modify; otherwise driver.love will hang until it finds one,
and might need to be force-quit. (Also, bad things will happen if you have
_more than a single_ client app running. Or if you close one app and open
another without restarting the driver. Just always open the app and then the
driver. If you close the app, close the driver.)

Try pressing `ctrl+l` then selecting `on`. It provides a useful orientation of
available hooks when programming live, and also mentions an important gotcha.

So try downloading and running say [luaML.love](https://codeberg.org/akkartik/luaML.love) in a separate terminal.
Now try pressing `ctrl+l` then selecting `on`. It provides a useful
orientation of available hooks when programming live, and also mentions an
important gotcha.

* Bad things will happen if you have _more than_ a single such app running. Or

* Bad things will happen if you have more than a single client app running. Or