GNU gettext utilities: kde-kuit-format
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15.3.20 KUIT Format Strings
KUIT (KDE User Interface Text) is compatible with KDE 4 format strings, while it also allows programmers to add semantic information to a format string, through XML markup tags. For example, if the first format directive in a string is a filename, programmers could indicate that with a ‘filename’ tag, like ‘<filename>%1</filename>’.
KUIT format strings are described in https://api.kde.org/frameworks/ki18n/html/prg_guide.html#kuit_markup.
