+unsigned Text::count_characters(unsigned start, unsigned bytes) const
+{
+ StringCodec::Utf8::Decoder dec;
+ string::const_iterator i = text.begin()+start;
+ string::const_iterator end = i+bytes;
+ unsigned count = 0;
+ for(; i<end; dec.decode_char(text, i))
+ ++count;
+ return count;
+}
+
+void Text::check_alignment(unsigned offs) const
+{
+ StringCodec::Utf8::Decoder dec;
+ string::const_iterator i = text.begin()+offs;
+ dec.decode_char(text, i);
+}
+