Possible Clues:

• "It's 'abracadabra,' not 'hocus-pocus,' right?"
• Validate words of constraint at end of session
• Word processing process
• Word-processor feature
• *Word processor function
• Word processing feature
• One may reveal an error of character
• Computer facility offering some magic pattern of lines
• Make word perfect? Sounds like something witch would do!
• Subeditors should use this term with restraint