Merge "Update lint check to accommodate new emoji sequences"

    all_sequences = set()

    all_sequences.update(_emoji_variation_sequences)

    # add zwj sequences not in the current emoji-zwj-sequences.txt

    adjusted_emoji_zwj_sequences = dict(_emoji_zwj_sequences)

    adjusted_emoji_zwj_sequences.update(_emoji_zwj_sequences)

    # single parent families

    additional_emoji_zwj = (

        (0x1F468, 0x200D, 0x1F466),

        (0x1F468, 0x200D, 0x1F467),

        (0x1F468, 0x200D, 0x1F466, 0x200D, 0x1F466),

        (0x1F468, 0x200D, 0x1F467, 0x200D, 0x1F466),

        (0x1F468, 0x200D, 0x1F467, 0x200D, 0x1F467),

        (0x1F469, 0x200D, 0x1F466),

        (0x1F469, 0x200D, 0x1F467),

        (0x1F469, 0x200D, 0x1F466, 0x200D, 0x1F466),

        (0x1F469, 0x200D, 0x1F467, 0x200D, 0x1F466),

        (0x1F469, 0x200D, 0x1F467, 0x200D, 0x1F467),

    )

    # sequences formed from man and woman and optional fitzpatrick modifier

    modified_extensions = (

        0x2696,

        0x2708,

        0x1F3A8,

        0x1F680,

        0x1F692,

    )

    for seq in additional_emoji_zwj:

        adjusted_emoji_zwj_sequences[seq] = 'Emoji_ZWJ_Sequence'

    for ext in modified_extensions:

        for base in (0x1F468, 0x1F469):

            seq = (base, 0x200D, ext)

            adjusted_emoji_zwj_sequences[seq] = 'Emoji_ZWJ_Sequence'

            for modifier in range(0x1F3FB, 0x1F400):

                seq = (base, modifier, 0x200D, ext)

                adjusted_emoji_zwj_sequences[seq] = 'Emoji_ZWJ_Sequence'

    for sequence in _emoji_sequences.keys():

        sequence = tuple(ch for ch in sequence if ch != EMOJI_VS)

        all_sequences.add(sequence)

        sequence_pieces.update(sequence)

    for sequence in _emoji_zwj_sequences.keys():

    for sequence in adjusted_emoji_zwj_sequences.keys():

        sequence = tuple(ch for ch in sequence if ch != EMOJI_VS)

        all_sequences.add(sequence)

        sequence_pieces.update(sequence)