UPdate prototypes.

@@ -48,6 +48,7 @@ extern int attribute_create          __P ((attribute_t *, void *));
 extern void attribute_destroy        __P ((attribute_t *, void *));
 extern void * attribute_get_owner    __P ((attribute_t));
 extern int attribute_is_modified     __P ((attribute_t));
+extern int attribute_clear_modified  __P ((attribute_t));
 
 extern int attribute_is_userflag     __P ((attribute_t, int));
 extern int attribute_is_seen         __P ((attribute_t));

@@ -40,6 +40,8 @@ typedef struct _body *body_t;
 extern int body_create         __P ((body_t *, void *owner));
 extern void body_destroy       __P ((body_t *, void *owner));
 extern void * body_get_owner   __P ((body_t));
+extern int body_is_modified    __P ((body_t));
+extern int body_clear_modified __P ((body_t));
 
 extern int body_get_stream     __P ((body_t, stream_t *));
 extern int body_set_stream     __P ((body_t, stream_t, void *owner));

@@ -38,6 +38,7 @@ extern "C" {
 #define MU_HEADER_RECEIVED              "Received"
 #define MU_HEADER_DATE                  "Date"
 #define MU_HEADER_FROM                  "From"
+#define MU_HEADER_SENDER                "Sender"
 #define MU_HEADER_RESENT_FROM           "Resent-From"
 #define MU_HEADER_SUBJECT               "Subject"
 #define MU_HEADER_SENDER                "Sender"
@@ -53,13 +54,18 @@ extern "C" {
 #define MU_HEADER_MESSAGE_ID            "Message-ID"
 #define MU_HEADER_RESENT_MESSAGE_ID     "Resent-Message-ID"
 #define MU_HEADER_IN_REPLY_TO           "In-Reply-To"
+#define MU_HEADER_REFERENCE             "Reference"
 #define MU_HEADER_ENCRYPTED             "Encrypted"
 #define MU_HEADER_PRECEDENCE            "Precedence"
 #define MU_HEADER_STATUS                "Status"
 #define MU_HEADER_CONTENT_LENGTH        "Content-Length"
-#define MU_HEADER_CONTENT_TYPE          "Content-Type"
+#define MU_HEADER_CONTENT_LANGUAGE      "Content-Language"
 #define MU_HEADER_CONTENT_ENCODING      "Content-transfer-encoding"
+#define MU_HEADER_CONTENT_TYPE          "Content-Type"
 #define MU_HEADER_MIME_VERSION          "MIME-Version"
+#define MU_HEADER_X_UIDL                "X-UIDL"
+#define MU_HEADER_X_UID                 "X-UID"
+#define MU_HEADER_X_IMAPBASE             "X-IMAPbase"
 
 /* Mime support header attribute */
 
@@ -73,6 +79,7 @@ extern void header_destroy      __P ((header_t *, void *));
 extern void * header_get_owner   __P ((header_t));
 
 extern int header_is_modified    __P ((header_t));
+extern int header_clear_modified __P ((header_t));
 
 extern int header_set_value      __P ((header_t, const char *,
 				       const char *, int));

@@ -52,6 +52,7 @@ extern void message_destroy         __P ((message_t *, void *owner));
 
 extern void * message_get_owner     __P ((message_t));
 extern int message_is_modified      __P ((message_t));
+extern int message_clear_modified   __P ((message_t));
 extern int message_set_mailbox      __P ((message_t, mailbox_t));
 
 extern int message_ref              __P ((message_t));