Fix typos and errors in documentation.
(cherry picked from commit da0844d2b5cf0caaccaee69b0f2f5e9480e8a314)
Fix double space.
(cherry picked from commit bc5dfee33872407f88fd6200dc8f6fa0f7c5c116)
TSP: use longs consistently for distance to avoid overflow (fix regression during City to Location refactor)
(cherry picked from commit 0deba8337b137c69e7348a3299d9d9029342c233)
AnchorShadowVariable
(cherry picked from commit 84264001977efef9a25c515d798954c436fc5ed8)