`bar`

element bar: surface

A bar, on every monitor with screen in scope.

It is a surface, written at the top level of a file.

Also every prop and event of surface.

Prop	Type
`edge`	`Edge`	The screen edge it sits on.
`exclusive`	`bool \| length`	Space it keeps from windows: `true` (the default) its thickness, a length in px that much (beyond its margin), `false` or `0` none (it overlaps them).

In scope	Type
`screen`	`Screen`	The monitor this instance is on: one instance per monitor.