Thanks for the reply almaink. Am up at work now, we have had a loony few days. Was posting the query from home; coupla things...Tool is TouchUpObjects Tool, not EditObjects. (No Mac with Acro at home). Also, file was some days ago, and it's identity escapes me...embarrassing. However, just tried it on some orig, good quality PDFs on a previously supplied job, and it worked a treat. So at least it's not a system flakiness on my Mac (I'm assuming). Next time I trip over one, I'll post it.
Just on the topic of posting, what's the go for attaching a file via PPF? Via PM? If so, what's the method for attaching? A bit green on this stuff on forums.
Cheers

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