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

       /LANGUAGE=(language1 [, . . . ])

    Specifies the languages from which LSE can use package entries.
    If you do not specify a language, then LSE uses the language of
    the current buffer. If no language is associated with the current
    buffer, then an error occurs.