-files. This is done by adding a special alternate data stream to each directory
-entry that contains this information. Please note that this flag is for
-convenience only, in case you want to use \fB@IMAGEX_PROGNAME@\fR to archive
-files on UNIX. Microsoft's software will not understand this special
-information.
+files. This is done by adding a special tagged metadata item to each directory
+entry that contains this information. This information should be ignored by the
+Microsoft implementation. (Note: the way that UNIX data is stored was changed
+in wimlib v1.7.0 and is not backwards or forward compatible.)