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

       /PUNCTUATION_CHARACTERS=string
       /PUNCTUATION_CHARACTERS=",;()" (D)

    Specifies the characters that are considered punctuation marks,
    or delimiters, in the language. When a placeholder name and its
    enclosing brackets are deleted, preceding white space is also
    deleted if there are punctuation characters to delimit the program
    constructs.