https://github.com/math-comp/analysis/blob/5e727ceca161fd469db6fa76daa5ce4cf9f28ccd/theories/topology_theory/order_topology.v#L25 when dropping support for MathComp < 2.5
analysis/theories/topology_theory/order_topology.v
Line 25 in 5e727ce
when dropping support for MathComp < 2.5