Whoops. Solution not so much. Got the car started, can't keep it running long enough to move it. Will explore more in the morning. If I'm really really lucky, the remaining problem will be something annoyingly stupid; if not, then I'm guessing I'll need an alternator. Let's hope it's nothing worse than that.
I hope it's merely the "too litle gas to park on this particular slope" problem (diagnosis: coast it around the corner and see whether the problem goes away; if it does, buy gas). Right now we'd have to push the car uphil to be able to clear the truck parked in front of my car, but the truck has to move for street cleaning in the morning, so ...
[update]
Re: [update to the update]
I hope it's merely the "too litle gas to park on this particular slope" problem (diagnosis: coast it around the corner and see whether the problem goes away; if it does, buy gas). Right now we'd have to push the car uphil to be able to clear the truck parked in front of my car, but the truck has to move for street cleaning in the morning, so ...