Function IsWhiteSpace

native/thirdpart/tinyxml2/tinyxml2.h:572–574

Anything in the high order range of UTF-8 is assumed to not be whitespace. This isn't correct, but simple, and usually works.

    // Anything in the high order range of UTF-8 is assumed to not be whitespace. This isn't
    // correct, but simple, and usually works.
    static bool IsWhiteSpace( char p )					{
        return !IsUTF8Continuation(p) && isspace( static_cast<unsigned char>(p) );
    }

    inline static bool IsNameStartChar( unsigned char ch ) {
        if ( ch >= 128 ) {