(mail_nounfold,mail_unfold,mail_header_is_unfoldable): New functions.

@@ -184,6 +184,7 @@ extern int mail_list __P ((int argc, char **argv));
 extern int mail_send __P ((int argc, char **argv));	/* command mail */
 extern int mail_mbox __P ((int argc, char **argv));
 extern int mail_next __P ((int argc, char **argv));
+extern int mail_nounfold __P((int argc, char **argv));
 extern int mail_pipe __P ((int argc, char **argv));
 extern int mail_previous __P ((int argc, char **argv));
 extern int mail_print __P ((int argc, char **argv));
@@ -202,6 +203,7 @@ extern int mail_top __P ((int argc, char **argv));
 extern int mail_touch __P ((int argc, char **argv));
 extern int mail_unalias __P ((int argc, char **argv));
 extern int mail_undelete __P ((int argc, char **argv));
+extern int mail_unfold __P((int argc, char **argv));
 extern int mail_unset __P ((int argc, char **argv));
 extern int mail_version __P ((int argc, char **argv));
 extern int mail_visual __P ((int argc, char **argv));
@@ -225,6 +227,7 @@ extern int mail_is_my_name __P ((char *name));
 extern void mail_set_my_name __P ((char *name));
 extern char *mail_whoami __P ((void));
 extern int mail_header_is_visible __P ((char *str));
+extern int mail_header_is_unfoldable __P((char *str));
 extern int mail_mbox_close __P ((void));
 extern char *mail_expand_name __P((const char *name));
 
@@ -294,6 +297,7 @@ extern char *util_get_sender __P ((int msgno, int strip));
 extern void util_slist_print __P ((list_t list, int nl));
 extern int util_slist_lookup __P ((list_t list, char *str));
 extern void util_slist_add __P ((list_t *list, char *value));
+extern void util_slist_remove __P((list_t *list, char *value));
 extern void util_slist_destroy __P ((list_t *list));
 extern char *util_slist_to_string __P ((list_t list, const char *delim));
 extern void util_strcat __P ((char **dest, const char *str));