GitLab

Certain user-drawn dragbox routines (eg via DragASprite) don't pass the object
bounding box as the box; this was conflicting with one of the redraw
optimisations, and causing smearing when the underlying object was redrawn.
Relevant optimisation optioned out.

If a window stack-change causes the iconise button to appear or disappear,
this is now caught, and the window border is redrawn immediately.

Toggling of child windows now works - the return coordinates are linked to
the parent in the same way as the current ones. Note that this is unlikely to
be useful for anything other than alignment 0/0/0/0/0/0 children.

Return codes for the "Quit" and "Continue" buttons in "xxx may have gone wrong"
error boxes can now be specified.

Both scrollbars push in for adjust-drags.