Text (HTML) = 

VAR one = HASONEVALUE(table[itemid])

VAR _html = SUBSTITUTE(
    CONCATENATEX(
        table,
        "<p><b>" & [subject] & "</b></p>"
        & "<p>" & [description] & "</p>"
    ),
    UNICHAR(10),
    "<br>"
)

RETURN IF(
    one,
    _html, 
    ""
)