>
> I'm a happy user of boost.locale, but there is a use case that I can't
> see a solution for.  I would like to concatenate two long, canonically
> normalized (NFC) UTF-8 strings.  It seems that the only way to
> currently do this is by calling boost::locale::normalize on the
> resulting string.  This is wasteful, as it requires walking the entire
> string when only a well-defined substring of each (at the boundary)
> can possibly require modification.
>
> The ideal solution would be for boost.locale to expose something like
> ICU's unorm2_normalizeSecondAndAppend, which takes advantage of
> normalization guarantees in the Unicode standard to only normalize the
> boundary where it is required.
>
> Does this capability already exist in boost.locale?
>

No, there is no such API exists in Boost.Locale

Artyom