@c This is part of GNU tar manual.
@c Copyright (C) 1992, 1994, 1995, 1996, 1997, 1999, 2000, 2001,
@c 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
@c See file tar.texi for copying conditions.

@macro GNUTAR
@acronym{GNU} @command{tar}
@end macro

@macro xopindex{option,text}
@opindex \option\@r{, \text\}
@end macro

@macro opsummary{option}
@ifclear ANCHOR--\option\
@set ANCHOR--\option\ 1
@anchor{--\option\}
@end ifclear
@xopindex{\option\, summary}
@end macro
