From dadcde220ebf76df3e2ed878799c4483d1eac377 Mon Sep 17 00:00:00 2001
From: Daniel James <daniel@calamity.org.uk>
Date: Mon, 12 Dec 2011 23:07:53 +0000
Subject: [PATCH] `boostbook-base-style` feature for boostbook.

[SVN r75928]
---
 v2/doc/jamfile.jam     |  2 +-
 v2/tools/boostbook.jam | 13 ++++++++++++-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/v2/doc/jamfile.jam b/v2/doc/jamfile.jam
index 9bfbd0641..4bf9e7f10 100644
--- a/v2/doc/jamfile.jam
+++ b/v2/doc/jamfile.jam
@@ -15,7 +15,7 @@ boostbook userman : src/standalone.xml
      <implicit-dependency>jam_docs
      <dependency>jam_docs
      <xsl:param>boost.root=../../../../..
-     <xsl:param>boost.defaults=Boost
+     <boostbook-base-style>Boost
    ;
    
 xml jam_docs : bjam.qbk ;   
diff --git a/v2/tools/boostbook.jam b/v2/tools/boostbook.jam
index 3a5964c62..56012597f 100644
--- a/v2/tools/boostbook.jam
+++ b/v2/tools/boostbook.jam
@@ -54,6 +54,11 @@ project boostbook ;
 feature.feature format : html xhtml htmlhelp onehtml man pdf ps docbook fo tests
   : incidental implicit composite propagated ;
 
+# <boostbook-base-style> sets some default style parameters in
+# the boostbook xsl stylesheets. Search for boost.defaults in
+# the stylesheets for more info.
+feature.feature boostbook-base-style : none Boost : incidental ;
+
 type.register DTDXML : dtdxml ;
 type.register XML : xml ;
 type.register BOOSTBOOK : boostbook : XML ;
@@ -618,7 +623,13 @@ class boostbook-generator : generator
             case ps      : type = PS ;
             case tests   : type = TESTS ;
         }
-        
+
+        local style = [ $(property-set).get <boostbook-base-style> ] ;
+        if $(style) {
+            property-set = [ $(property-set).add-raw
+                <xsl:param>boost.defaults=$(style) ] ;
+        }
+
         if $(manifest)
         {
             # Create DOCBOOK file from BOOSTBOOK sources.