1  char *xs_unicode_text (char *, int);
       2  char *xs_entity_text (char *);
       3  char *xs_process_text (char *text);
       4  void xs_parse_command_name (SV *text,
       5                              char **,
       6                              int*);
       7  void xs_parse_texi_regex (SV *text,
       8                            char **,
       9                            char **,
      10                            char **,
      11                            char **,
      12                            char **,
      13                            char **,
      14                            char **,
      15                            char **);
      16  char *xs_default_format_protect_text (char *);