-#define M_NOSORT (1<<0) /* do not sort the mailbox after opening it */
-#define M_APPEND (1<<1) /* open mailbox for appending messages */
-#define M_READONLY (1<<2) /* open in read-only mode */
-#define M_QUIET (1<<3) /* do not print any messages */
-#define M_NEWFOLDER (1<<4) /* create a new folder - same as M_APPEND, but uses
- * safe_fopen() for mbox-style folders.
- */
+#define M_NOSORT (1<<0) /* do not sort the mailbox after opening it */
+#define M_APPEND (1<<1) /* open mailbox for appending messages */
+#define M_READONLY (1<<2) /* open in read-only mode */
+#define M_QUIET (1<<3) /* do not print any messages */
+#define M_NEWFOLDER (1<<4) /* create a new folder - same as M_APPEND, but uses
+ * safe_fopen() for mbox-style folders.
+ */