stabletailgraph: trivial doc and test fixes and simplifications
A bunch of trivial fixes and simplications to the doc and tests related to stable-tail graph things. Pretty uncontroversial. I'd like to get those out of more consequent series.
A bunch of trivial fixes and simplications to the doc and tests related to stable-tail graph things. Pretty uncontroversial. I'd like to get those out of more consequent series.