Documentation: describe pack idx v2

diff --git a/Documentation/asciidoc.conf b/Documentation/asciidoc.conf
index 6b6220dfdbd6cacb8a05be4995279bbd0487fada..99d8874aa0a97597507cbd6864df4113c00d4cf7 100644 (file)
--- a/Documentation/asciidoc.conf
+++ b/Documentation/asciidoc.conf
@@ -23,13 +23,22 @@ ifdef::backend-docbook[]
 endif::backend-docbook[]
 
 ifdef::backend-docbook[]
+ifndef::docbook-xsl-172[]
 # "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]
 <example><title>{title}</title>
 <literallayout>
+ifdef::doctype-manpage[]
+&#10;.ft C&#10;
+endif::doctype-manpage[]
 |
+ifdef::doctype-manpage[]
+&#10;.ft&#10;
+endif::doctype-manpage[]
 </literallayout>
 {title#}</example>
+endif::docbook-xsl-172[]
 endif::backend-docbook[]
 
 ifdef::doctype-manpage[]