document supported formats for `--mac-metadata` - see #2041 (#2046)

Doc fix to clarify that `--mac-metadata` is only supported for certain
formats. Hopefully just a short-term fix until support is added for
other formats. (See discussion on #2041)

diff --git a/tar/bsdtar.1 b/tar/bsdtar.1
index 9a94bf7612349d483b8d89856924df3c77b983e1..9aebdfbeb1119bc87be371a38e02a5617c1b8105 100644 (file)
--- a/tar/bsdtar.1
+++ b/tar/bsdtar.1
@@ -401,6 +401,8 @@ This is the reverse of
 and the default behavior in c, r, and u modes or if
 .Nm
 is run in x mode as root.
+Currently supported only for pax formats
+(including "pax restricted", the default tar format for bsdtar.)
 .It Fl n , Fl Fl norecurse , Fl Fl no-recursion
 Do not operate recursively on the content of directories.
 .It Fl Fl newer Ar date