Something like [item] 6o or 6m. Or if I wanted to get really fancy, it could register as unspecified by default and ask the user to followup. Maybe that would be best...
"NOTE: You did not specify the item as being main/off spec. To do so, re-submit the bid as [link]{value}m (or o). Loot priority is main, off, and finally unspecified."
Could also scan players' specs and KNOW their spec. And then scan items for certain giveaways on NOT being that spec (IE, defense for a ret pally, AP for a tree, etc.).
Something like [item] 6o or 6m. Or if I wanted to get really fancy, it could register as unspecified by default and ask the user to followup. Maybe that would be best...
"NOTE: You did not specify the item as being main/off spec. To do so, re-submit the bid as [link]{value}m (or o). Loot priority is main, off, and finally unspecified."