If the screen is smaller than the world, so that scroll bars are active, then the halo items on the right and bottom sides are half-clipped. The error appears to be equal to the width of the scroll bar.
The same problem occurs for morphs that lie outside the screen on the right or bottom.
If the screen is smaller than the world, so that scroll bars are active, then the halo items on the right and bottom sides are half-clipped. The error appears to be equal to the width of the scroll bar.
The same problem occurs for morphs that lie outside the screen on the right or bottom.