=palette dot
=map . f

A tiny image of the capital letter J

=img 5 8 10
=meta name letter-J
=use dot

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    . . . 0 .
    . 0 0 . .
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A tiny image of the capital letter L

=img 5 8 10
=meta name letter-L
=use dot

    . . . . .
    . 0 . . .
    . 0 . . .
    . 0 . . .
    . 0 . . .
    . 0 . . .
    . 0 0 0 .
    . . . . .