--- git-1.6.0.4/Documentation/asciidoc.conf
+++ git-1.6.0.4/Documentation/asciidoc.conf
@@ -24,7 +24,7 @@ ifdef::backend-docbook[]
 endif::backend-docbook[]
 
 ifdef::backend-docbook[]
-ifndef::docbook-xsl-172[]
+ifdef::docbook-xsl-168[]
 # "unbreak" docbook-xsl v1.68 for manpages. v1.69 works with or without this.
 # v1.72 breaks with this because it replaces dots not in roff requests.
 [listingblock]
@@ -39,9 +39,9 @@ ifdef::doctype-manpage[]
 endif::doctype-manpage[]
 </literallayout>
 {title#}</example>
-endif::docbook-xsl-172[]
+endif::docbook-xsl-168[]
 
-ifdef::docbook-xsl-172[]
+ifndef::docbook-xsl-168[]
 ifdef::doctype-manpage[]
 # The following two small workarounds insert a simple paragraph after screen
 [listingblock]
@@ -59,7 +59,7 @@ ifdef::doctype-manpage[]
 </literallayout><simpara></simpara>
 {title#}</para></formalpara>
 endif::doctype-manpage[]
-endif::docbook-xsl-172[]
+endif::docbook-xsl-168[]
 endif::backend-docbook[]
 
 ifdef::doctype-manpage[]