on *:INPUT:*:{ 
  var %x = .!
  if ($left($1-,1) != / && $active != Status Window && $left($1-,1) islower && $right($1-,1) !isin %x) { 
    msg $active $upper($left($1-,1)) $+ $right($1-,$calc($len($1-) - 1)) $+ . | haltdef
  }
}

that works, but idk whats wrong with the menu