863   const size_t previous_len = xml_string_.text.size();  in AppendText()
871         xml_string_.text += ' ';  in AppendText()
887             xml_string_.text += '\t';  in AppendText()
890             xml_string_.text += '\n';  in AppendText()
899             xml_string_.text += static_cast<char>(codepoint);  in AppendText()
903             if (!AppendUnicodeEscapeSequence(&iter, &xml_string_.text)) {  in AppendText()
912             AppendCodepointToUtf8String(codepoint, &xml_string_.text);  in AppendText()
926       AppendCodepointToUtf8String(codepoint, &xml_string_.text);  in AppendText()
931   const uint8_t* utf8_data = reinterpret_cast<const uint8_t*>(xml_string_.text.c_str());  in AppendText()
932   const size_t utf8_length = xml_string_.text.size();  in AppendText()
953   xml_string_.spans.push_back(std::move(span));  in StartSpan()
954   return xml_string_.spans.size() - 1;  in StartSpan()
964   xml_string_.spans[handle].last_char = utf16_len_ - 1u;  in EndSpan()
973   section.start = section.end = xml_string_.text.size();  in StartUntranslatable()
974   xml_string_.untranslatable_sections.push_back(section);  in StartUntranslatable()
975   return xml_string_.untranslatable_sections.size() - 1;  in StartUntranslatable()
982   xml_string_.untranslatable_sections[handle].end = xml_string_.text.size();  in EndUntranslatable()
986   return xml_string_;  in GetFlattenedString()
990   return xml_string_.text;  in to_string()