Library /sys$common/syshlp/lse$clihelp.hlb DEFINE, PLACEHOLDER, Qualifiers, /TOPIC_STRING  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /TOPIC_STRING=string

    Specifies a quoted string that LSE uses to retrieve help text
    for this placeholder. This string is appended to the string you
    specify with the /TOPIC_STRING qualifier of the DEFINE LANGUAGE
    command to form the complete string of topics that LSE uses for
    looking up the help text for this placeholder.