fic: Flogging It (Severus/Sirius, smut, NC-17)

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Is there an equivalent on AO3 to the <lj user=""> (or on DW, <user="">) tag? So I can, for example, mention another AO3 user in the story notes or whatever, without doing it as a regular HTML link? I looked through the AO3 FAQ but couldn't find such a thing.