TextEdit manages the display of editable text (for instance in dialogs or in some applications).
• Version 1 is the version which resides in the original Mac IIci ROM.
• Version 2 is the version with System 6.0.4 patches on Mac IIci ROM for compatibility with the Script Manager.
• Version 3 is the version with System 6.0.4 patches on machine other than Mac IIci for compatibility with the Script Manager.
• Version 4 is a more advanced version, introduced in System 6.0.5.
• Version 5 tells us that TextWidthHook function is available.
• Version 6 is the Copland version.