Changing Inf to ∞ in code samples
Changing Inf to ∞ in code samples

Refs #1520. I chose this one because it's got a log of Inf. Not
changed in text or when it actually returns Inf.

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