From 7b20c0ed4b3ef518c1f55bfbb2ece932539f35ea Mon Sep 17 00:00:00 2001
From: Marc Weber <marco-oweber@gmx.de>
Date: Sun, 2 Sep 2007 10:36:59 +0000
Subject: explanation what happens when passing true / false and null values to
 derivation builders added

---
 doc/manual/writing-nix-expressions.xml | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'doc')

diff --git a/doc/manual/writing-nix-expressions.xml b/doc/manual/writing-nix-expressions.xml
index 9770e91822b5..01194d4c6a54 100644
--- a/doc/manual/writing-nix-expressions.xml
+++ b/doc/manual/writing-nix-expressions.xml
@@ -1217,6 +1217,10 @@ set, the attributes of which specify the inputs of the build.</para>
       They are simply concatenated, separated by
       spaces.</para></listitem>
 
+      <listitem><para><emphasis>true</emphasis> is passed as 
+      <emphasis>1</emphasis>, <emphasis>false</emphasis>
+      and <emphasis>null</emphasis> are passed as empty string.
+      </para></listitem>
     </itemizedlist>
 
   </para></listitem>
-- 
cgit 1.4.1