Minor typographic changes to ≅
Minor typographic changes to ≅

This closes #1016 because it had been efectively done way before.

tbrowder/doc,MasterDuke17/doc,jonathanstowe/doc,stmuk/doc,dmaestro/doc,jonathanstowe/doc,jonathanstowe/doc,jonathanstowe/doc,dmaestro/doc,perl6/doc,tbrowder/doc,stmuk/doc,perl6/doc,perl6/doc,tbrowder/doc,tbrowder/doc,MasterDuke17/doc,stmuk/doc,dmaestro/doc,stmuk/doc,jonathanstowe/doc,perl6/doc,MasterDuke17/doc,dmaestro/doc,perl6/doc,dmaestro/doc,stmuk/doc,MasterDuke17/doc