help: limit documentation width to at most 80 characters
Reading long lines is suboptimal no matter how wide the terminal is.
httprepo: use caps instead of between for compat check
We usually query the capabilities at some point anyway so this way the first roundtrip
actually does useful work.
bisect: new command to extend the bisect range (
issue2690)
When bisect ends in a merge point, and one of the parent wasn't checked,
this usually means the culprit is in a branch that wasn't scanned.
For this case we provide a new command which extends the range of the bisect
search to the common ancestor of the parents of the merge.