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• Can arrow keys be used in all text boxes (including dialog boxes)? Can the Shift key be used with the arrow keys to extend the selection (including in dialog boxes)?
• If text is selected, does pressing an arrow key cause the insertion point
  to go to the corresponding end of the range and deselect it?
• Are discontinuous selections made with the Command key modifier
  (for text and arrays)? The Shift key is used for graphics selections.
• Do you support intelligent cut-and-paste where appropriate?
• Do you use Command-arrow and Option-arrow for moving the insertion point in larger semantic units? (Note that when multiple script systems are available, Command-Left Arrow and Command-Right Arrow are intercepted by the Script Manager and used for changing the script system.)
• If your application supports TrueType fonts, do you support all font sizes instead of imposing a size limit?
• Do the users have a way to choose whatever font size they desire?
• Does the active font size in a menu have a checkmark next to it?
• Are available font sizes shown in outline in the menu items?
• Do you avoid making assumptions about font sizes? For example,
  the system font may have a different size in other countries.