--- a/relpipe-data/index.xml	Mon Dec 17 21:24:38 2018 +0100
+++ b/relpipe-data/index.xml	Wed Dec 19 23:05:52 2018 +0100
@@ -8,9 +8,9 @@
 
 	<text xmlns="http://www.w3.org/1999/xhtml">
 		<p>
-			One of the great parts of the <m:unix/>
-			<m:podČarou><m:unix tvar="vysvětlivka"/></m:podČarou>
-			culture is the invention<m:podČarou>which is attributed to Doug McIlroy, see <a href="http://www.catb.org/~esr/writings/taoup/html/ch07s02.html#plumbing">The Art of Unix Programming: Pipes, Redirection, and Filters</a></m:podČarou>
+			One of the great parts of the hacker culture<m:podČarou><m:unix tvar="vysvětlivka"/>
+			(see also <a href="https://stallman.org/articles/on-hacking.html">hacking</a> and <a href="https://www.gnu.org/gnu/gnu-linux-faq.html">GNU/Linux FAQ</a>)</m:podČarou> and the GNU way
+			is the invention<m:podČarou>which is attributed to Doug McIlroy, see <a href="http://www.catb.org/~esr/writings/taoup/html/ch07s02.html#plumbing">The Art of Unix Programming: Pipes, Redirection, and Filters</a></m:podČarou>
 			of <em>pipes</em> and the idea<m:podČarou>see <a href="http://www.catb.org/~esr/writings/taoup/html/ch01s06.html">The Art of Unix Programming: Basics of the Unix Philosophy</a></m:podČarou> 
 			that <em>one program should do one thing and do it well</em>.
 		</p>