New wrapper isoburn_disc_erasable() declares ISO DVD-RAM, DVD+RW erasable

libisoburn/libisoburn.h

@@ -70,6 +70,12 @@ int isoburn_drive_grab(struct burn_drive *drive, int load);
 enum burn_disc_status isoburn_disc_get_status(struct burn_drive *drive);
 
 
+/** Tells whether the media can be treated by isoburn_disc_erase().
+    Wrapper for: burn_disc_erasable()
+*/
+int isoburn_disc_erasable(struct burn_drive *d);
+
+
 /** Mark the media as blank. With multi-session media this will call
     burn_disc_erase(). With random access media, an eventual ISO-9660
     filesystem will get invalidated by altering its start blocks on media.