Yup perl6 in the title has been used for years, even has "official" nod suggestion perl6 section in perlmonks

In reply to Re^2: Editing node titles w.r.t. Perl 6 by Anonymous Monk
in thread Editing node titles w.r.t. Perl 6 by talexb

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
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