As adu is based on libosl, the object storage layer, you first have
-to install http://people.tuebingen.mpg.de/maan/osl/ (libosl).
+to install [libosl](http://people.tuebingen.mpg.de/maan/osl/).
Adu's command line parser and the interactive help are generated by
-http://www.gnu.org/software/gengetopt/gengetopt.html (gnu gengetopt).
+[gnu gengetopt](http://www.gnu.org/software/gengetopt/gengetopt.html).
Hence the gengetopt package must be installed to compile adu from
source.
-In order to generate the man page,
-ftp://ftp.gnu.org/pub/gnu/help2man (help2man)
-must be installed. For the html version of the man page,
-http://www.triptico.com/software/grutatxt.html (grutatxt) is used.
+To generate the man page,
+[help2man](ftp://ftp.gnu.org/pub/gnu/help2man) must be installed.