Use unicode notation; \x escape is defined elsewhere

Author: lucasbuchala

S03-operators.pod

@@ -4196,7 +4196,7 @@ mad in the first place, which seems almost a certainty by this point.
 
 =head2 Hyper operators
 
-The Unicode characters C<»> (C<\x[BB]>) and C<«> (C<\x[AB]>) and
+The Unicode characters C<»> (C<U+00BB>) and C<«> (C<U+00AB>) and
 their ASCII digraphs C<<< >> >>> and C<<< << >>> are used to denote a
 "list operation" that operates on each element of its list (or array)
 argument (or arguments) and returns a single list (or array) of