Method flush

external/pugixml/pugixml.cpp:1435–1446

Collapse all gaps, return past-the-end pointer

			
		// Collapse all gaps, return past-the-end pointer
		char_t* flush(char_t* s)
		{
			if (end)
			{
				// Move [old_gap_end, current_pos) to [old_gap_start, ...)
				assert(s >= end);
				memmove(end - size, end, reinterpret_cast<char*>(s) - reinterpret_cast<char*>(end));

				return s - size;
			}
			else return s;
		}
	};
	
	char_t* strconv_escape(char_t* s, gap& g)