BTW, what about configure options and similar things?
configuration primitives, <cf> is fragment of configuration within normal text, <m> is
"meta" information within fragment of configuration -- something in config which is not keyword.
-<sect1>Installing bird
+<sect1>Installing BIRD
-<p>On unix system, installing bird should be as easy as:
+<p>On UNIX system, installing BIRD should be as easy as:
<code>
./configure