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