Note that xslt can't handle complex dependencies

diff --git a/website/example/build-ext.xml b/website/example/build-ext.xml
index 92e580a7c6511c694762e1a560287d00080a6bf9..4e7c4b500a0eb37785e3b8c6c70b2b50f3a60219 100644 (file)
--- a/website/example/build-ext.xml
+++ b/website/example/build-ext.xml
@@ -16,6 +16,15 @@ only be possible if you're using a processor for which the extensions
 have been implemented. The Website distribution includes extensions
 for Xalan and Saxon.</para>
 
+<important>
+<para>If the source pages for your website are stored in several
+files, this method will probably will not work correctly all the time.
+The extension can only see if the <quote>main</quote> page has
+changed, not subsidiary pages that it (logically) depends on. If you
+have a complex source layout, you will probably have to <olink
+targetdocent="buildmake.xml">use make</olink>.</para>
+</important>
+
 <orderedlist>
 <listitem><para>Create your webpages and your <filename>layout.xml</filename>
 file.</para></listitem>