The header-file entities.h comes from the lynx package.

Lynx Version 2.8.8dev.3 (25 Apr 2010)
libwww-FM 2.14, SSL-MM 1.4.1,, ncurses 5.7.20100626(wide)
Built on linux-gnu May  9 2010 16:16:25

Copyrights held by the Lynx Developers Group,
the University of Kansas, CERN, and other contributors.
Distributed under the GNU General Public License (Version 2).
See http://lynx.isc.org/ and the online help for more information.
