    # Highlight words
    word1
    _word2
    /word3
    word4+
    <word5>
    &
    ;;;
    w w-word8-

    normal word1
    normal _word2
    normal /word3
    normal word4+
    normal <word5>
    normal &
    normal ;;;
    normal w w-word8-

    ....word1....
    ...._word2....
    ..../word3....
    ....word4+....
    ....<word5>....
    ....&....
    ....;;;....
    ....w w-word8-....

    normal_word2 <-- _word2
    normal/word3 <-- /word3
    word4+normal <-- word4+
    normal<word5>normal <-- <word5>
    normal&normal <-- &
    normal;;;normal <-- ;;;
    w w-word8-normal <-- w w-word8-

    aaa_word2_aaa <-- _word2
    aaa/word3/aaa <-- /word3
    aaa+word4+aaa <-- word4+
    aaa-w w-word8-aaa <-- w w-word8-

    # Normal text
    aaaword1aaa
    aaa_word2aaa
    aaa/word3aaa
    aaaword4+aaa
    aaaw w-word8-aaa