1] Programlisting attribute + 2] db5 validation

Hello,

1] I just want de have my source code into a frame. I look for documentation 
about  programlisting attribute but i don't find any solution in FO output ! 
And y want, if possible, dashed frame ...

Any idea ?

2] Validation 
/usr/lib/j2sdk1.5-sun/bin/java -Xss512K -jar ../libs/relames-20060319/relames.jar ../libs/docbook-5.0b9/custom_rng.rng 
C-howto.xml

relmes verifier   Copyright(C) Sun Microsystems, Inc. 2001
parsing    ../libs/docbook-5.0b9/custom_rng.rng
/home/bruno/Travail/DocBook5.0/libs/docbook-5.0b9/relaxng.dtd (No such file or 
directory)
java.io.FileNotFoundException: /home/bruno/Travail/DocBook5.0/libs/docbook-5.0b9/relaxng.dtd 
(No such file or directory)
  
10:43@file:///home/bruno/Travail/DocBook5.0/libs/docbook-5.0b9/custom_rng.rng

Does it good ?

Best regards,
Bruno

-- 
Le paradoxe est la source de passion du penseur, et le penseur sans paradoxe 
est comme un amoureux sans sentiment: une médiocrité misérable...
Soren Kierkegaard