enable <img title="..." >

The "title" attribute is used for tooltips -- I am making use of it here, to add additional information about authors: https://metacpan.org/source/ETHER/Acme-CPANAuthors-Nonhuman-0.007/lib/Acme/CPANAuthors/Nonhuman.pm#L91

(pretty please? :) I don't think this is a security risk to allow this.)