Ensure we don't break after the - in a negative number.

Change-Id: Iaaedb96cafc51bc37dc63f60e4e3a885b3522055
Wrap long DTs.

Change-Id: I154f79b81ed0fab7c29c178dd5f022c6b1308759
Better diagnostics for skipped figures.

Change-Id: I70ad3eaf52e298f63c5dc69a0a42ba645f2213e3