Match a single Stuff's display name against a mention word.
Case-insensitive on the head-word — "@bobalu" matches "Bobalu",
"Bobalu Smallberries", and "Bobalu the Brave". Returns true on
any match; ties (multiple candidates matching the same word) are
left to the caller, which picks first-match-wins.
Match a single
Stuff's display name against a mention word. Case-insensitive on the head-word — "@bobalu" matches "Bobalu", "Bobalu Smallberries", and "Bobalu the Brave". Returns true on any match; ties (multiple candidates matching the same word) are left to the caller, which picks first-match-wins.