18,19c18,22
<      access  modes, access and modified dates, and owner as those
<      of file. If pack is successful, file will be removed.
---
> !    file modes, access times, data modification times, ACLs, and
> !    extended attributes as those of file. If pack is successful,
> !    file will be removed.  The pack utility will also attempt to
> +    set the owner and group of file.z to the owner and group of
> +    file, but will not fail if this cannot be done.
35,38c38
< !    The pack utility returns a value that is the number of files
< !    that it failed to compress.  If that number exceeds 255,
< +    then 255 is returned.
< 
---
> *
61,62d60
< !    The last segment of the file name must be short enough to
< !    allow space for the appended .z extension.
87,88c85,86
<      unpack returns a value that is the number of  files  it  was
<      unable  to  unpack.  Failure  may occur for the same reasons
---
> *
> !    Failure may occur for the same reasons
105,111c103,112
< +     -/   When packing or unpacking, copies any ACL and extended
< +	   system attributes associated with the source file to
< +	   the target file.  If an ACL or extended system
< +          attributes cannot be copied, the original file is
< +          retained, a diagnostic message is written to stderr,
< +          and the final exit status will be non-zero.
< 
---
> +    -/    When packing or unpacking, copies any extended system
> +          attributes associated with the source file to the
> +          target file and copies any extended system attributes
> +          associated with extended attributes of the source file
> +          to the corresponding extended attributes associated
> +          with the target file.  If any extended system
> +          attributes cannot be copied, the original file will be
> +          retained, a diagnostic will be written to stderr, and
> +          the final exit status will be non-zero.
> +
