Change 'defined' to 'declared' when documenting method signatures.
Change 'defined' to 'declared' when documenting method signatures.

Applies to Mu.defined.

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