Possible Clues:

• [intentionally as is]
• 'Not a typo' indicator
• Order to attack, with "on"
• '-- 'em!' ('Attack!')
• Word usually put in brackets
• Written exactly thus
• [Error in original]
• Like this? Well, no, to judge by the sound of it
• Well,it doesn't sound like that
• Sounds as if it's ailing this way