Updated the rsync.yo file.

diff --git a/acls.diff b/acls.diff
index 70eb508..c4c5923 100644 (file)
--- a/acls.diff
+++ b/acls.diff
@@ -5084,13 +5084,18 @@ This code does not yet itemize changes in ACL information (see --itemize).
  
  dit(bf(-E, --executability)) This option causes rsync to preserve the
  executability (or non-executability) of regular files when bf(--perms) is
-@@ -793,6 +798,10 @@ quote(itemize(
+@@ -793,6 +798,15 @@ quote(itemize(
  
  If bf(--perms) is enabled, this option is ignored.
  
 +dit(bf(-A, --acls)) This option causes rsync to update the destination
 +ACLs to be the same as the source ACLs.  This nonstandard option only
 +works if the remote rsync also supports it.  bf(--acls) implies bf(--perms).
++
++Note also that an optimization of the ACL-sending protocol used by this
++version makes it incompatible with sending files to an older ACL-enabled
++rsync unless you double the bf(--acls) option (e.g. bf(-AA)).  This
++doubling is not needed when pulling files from an older rsync.
 +
  dit(bf(--chmod)) This option tells rsync to apply one or more
  comma-separated "chmod" strings to the permission of the files in the