* The library version number. This must agree with the soname
* version in Makefile.local.
*/
-#define LIBNOTMUCH_MAJOR_VERSION 3
+#define LIBNOTMUCH_MAJOR_VERSION 4
#define LIBNOTMUCH_MINOR_VERSION 1
#define LIBNOTMUCH_MICRO_VERSION 0
*/
typedef enum _notmuch_message_flag {
NOTMUCH_MESSAGE_FLAG_MATCH,
- NOTMUCH_MESSAGE_FLAG_EXCLUDED
+ NOTMUCH_MESSAGE_FLAG_EXCLUDED,
+
+ /* This message is a "ghost message", meaning it has no filenames
+ * or content, but we know it exists because it was referenced by
+ * some other message. A ghost message has only a message ID and
+ * thread ID.
+ */
+ NOTMUCH_MESSAGE_FLAG_GHOST,
} notmuch_message_flag_t;
/**