[Koha-translate] Meaning of "Lib for librarians"

What is the meaning or purpose of the phrase "Lib for librarians" as used in the MARC tag structure template:? #:../../koha-tmpl/intranet-tmpl/default/en/parameters/marctagstructure.tmpl:69 -Lars ---------------------------------------------------------------- This mail sent through L-secure: http://www.l-secure.net/