Clarify is-deeply bug-by-design affects only Seq:D
Clarify is-deeply bug-by-design affects only Seq:D

For Seq type objects it used to crash, but now fixed[^1] and
tested[2], to pass them through non-buggy path in is-deeply.

[1] https://github.com/rakudo/rakudo/commit/f3f99b3ac4
[2] https://github.com/perl6/roast/commit/3ea879737b
MasterDuke17/doc,MasterDuke17/doc,perl6/doc,gfldex/doc,MasterDuke17/doc,stmuk/doc,perl6/doc,antquinonez/doc,gfldex/doc,jonathanstowe/doc,gfldex/doc,stmuk/doc,antquinonez/doc,dmaestro/doc,tbrowder/doc,jonathanstowe/doc,jonathanstowe/doc,dmaestro/doc,MasterDuke17/doc,stmuk/doc,antquinonez/doc,antquinonez/doc,tbrowder/doc,perl6/doc,gfldex/doc,tbrowder/doc,antquinonez/doc,jonathanstowe/doc,stmuk/doc,perl6/doc,dmaestro/doc,stmuk/doc,jonathanstowe/doc,gfldex/doc,perl6/doc,dmaestro/doc,tbrowder/doc,dmaestro/doc