That is great news Maddoddodge.
I'm guessing the more you do it the more relaxed and confident you'll become and so the more relaxed and confident he'll be too.
It must of been a bit daunting for you this first time not being overly sure how he'd react to other dogs but i'm so pleased for you and him that things went so well.
Just wondering if you had his muzzle on him?
If you think dogs can't count, try putting three dog biscuits in your pocket and then giving Fido only two of them. ~Phil Pastoret