"Ignore All" would be a useful addition to Spell Checker - for the current document.

Document-specific words, especially names and acronyms, would no longer be flagged in the current document.

Currently (eg Designer Pro + ver 22) there is only the option to "add to user dictionary", which presumably is for all documents. Suggested corrections are also listed of course.

Apolgise if this is posted elsewhere - I couldn't find it!