Function strconv_comment

external/pugixml/pugixml.cpp:1585–1611

	#define ENDSWITH(c, e) ((c) == (e) || ((c) == 0 && endch == (e)))

	char_t* strconv_comment(char_t* s, char_t endch)
	{
		gap g;
		
		while (true)
		{
			while (!IS_CHARTYPE(*s, ct_parse_comment)) ++s;
		
			if (*s == '\r') // Either a single 0x0d or 0x0d 0x0a pair
			{
				*s++ = '\n'; // replace first one with 0x0a
				
				if (*s == '\n') g.push(s, 1);
			}
			else if (s[0] == '-' && s[1] == '-' && ENDSWITH(s[2], '>')) // comment ends here
			{
				*g.flush(s) = 0;
				
				return s + (s[2] == '>' ? 3 : 2);
			}
			else if (*s == 0)
			{
				return 0;
			}
			else ++s;
		}
	}

	char_t* strconv_cdata(char_t* s, char_t endch)
	{