int markdown_analyse(cstring_t *text, int prev);
void markdown_debug(deck_t *deck, int debug);
void adjust_line_length(line_t *line);
-bool is_utf8(char ch);
-int length_utf8(char ch);
int next_nonblank(cstring_t *text, int i);
int prev_blank(cstring_t *text, int i);
int next_blank(cstring_t *text, int i);