int read_data_until(const char *tag_end, XMLBuffer *xbfr, int skip=0);
int read_text_until(const char *tag_end, XMLBuffer *xbfr, int skip=0);
int read_tag();
int read_data_until(const char *tag_end, XMLBuffer *xbfr, int skip=0);
int read_text_until(const char *tag_end, XMLBuffer *xbfr, int skip=0);
int read_tag();