These are personal macros, which are not necessarily useful to other authors (they are provided as part off the source of others of the author's packages). Macros that may be of use to other authors are available separately, in package hypdoc.
The author is Heiko Oberdiek. The package is Copyright © 1999-2012 Heiko Oberdiek.
License: lppl1.3 Version: 0.27, dated: 2016-05-17 Catalogued: 2016-05-28