[git-p4: depot-paths = "//depot/solvespace/": change = 1947]
we're inconsistent (singular Jacobian). That's slow, so we should provide a library interface to disable it. [git-p4: depot-paths = "//depot/solvespace/": change = 1946]
[git-p4: depot-paths = "//depot/solvespace/": change = 1945]