+/** Specifying this flag overrides the default behavior of wimlib_overwrite()
+ * after one or more calls to wimlib_delete_image(), which is to rebuild the
+ * entire WIM. If you specifiy this flag to wimlib_overwrite() instead, only
+ * minimal changes to correctly remove the image from the WIM will be taken. In
+ * particular, all streams will be left alone, even if they are no longer
+ * references. This is probably not what you want, because almost no space will
+ * be spaced by deleting an image in this way. */
+#define WIMLIB_WRITE_FLAG_SOFT_DELETE 0x00000040
+