You form a @dfn{collating symbol} by
putting a collating element between an @dfn{open-collating-symbol
operator} and an @dfn{close-collating-symbol operator}. @samp{[.}
You form a @dfn{collating symbol} by
putting a collating element between an @dfn{open-collating-symbol
operator} and an @dfn{close-collating-symbol operator}. @samp{[.}