New features, changes and fixes in Version 5.6:
• New: Quick Styles added to Format command to speed up formatting.
• New: Quick Styles have color coded buttons to indicate which styles are applied.
• New: Four more properties added to Format command.
• New: Variable values allowed in nine properties in Format command.
• New: Chevron button to show or hide detailed properties in Format command.
• New: Select menu with Select All and Select Graphics menu items.
• New: Select button replaces Deselect button when no elements are selected.
• New: Localizations for seven more languages.
• Chg: Minor improvement to operation of Quick Style buttons.
• Chg: Updated to be compatible with Firefox 8.*.
引用元：Print Edit :: Add-ons for Firefox
ふと今日は・・・・・・ Print Edit 日本語化