*Determine behaviour of multipart items:-
  look, layout, stacking
  resize behaviour
  editable characteristics
  disallowed flags settings & how to validate on loading

ACTION: check latest !3DIcons, talk to William

*Implement all required multipart items:-
  resizing
  prototypes

*Finalise design of item flags edit windows:-
  Text/sprite names
  Justification options
  'more...'

*Implement item flags edit windows

*Implement main menu tree

*Design details of auto-size mechanism (eg autosize of text icon
 after text is modified)

*Design details of align/distribute mechanisms

