1 1 15.3.24 Boost Format Strings 1 ---------------------------- 1 1 Boost format strings are described in the documentation of the 1 ‘boost::format’ class, at 1 <http://www.boost.org/libs/format/doc/format.html>. In summary, a 1 directive has either the same syntax as in a C format string, such as 1 ‘%1$+5d’, or may be surrounded by vertical bars, such as ‘%|1$+5d|’ or 1 ‘%|1$+5|’, or consists of just an argument number between percent signs, 1 such as ‘%1%’. 1