Mentioning the GitHub mirror.
diff --git a/src/main/docgen/book.xml b/src/main/docgen/book.xml
index 8b22688..f7d31d8 100644
--- a/src/main/docgen/book.xml
+++ b/src/main/docgen/book.xml
@@ -1179,16 +1179,20 @@
<section xml:id="sourcecode">
<title>Source code (Git)</title>
- <para>As of 2015-09-02, most of the project repositories have moved from
- the <olink targetdoc="githubProject">earlier GitHub project</olink> to
- the <link xlink:href="http://incubator.apache.org/">Apache
- Incubation</link> repositories:</para>
+ <para>The key project repositories are at the Apache Software
+ Foundation, as part of the <link
+ xlink:href="http://incubator.apache.org/">Apache Incubation</link>
+ effort. These Apache repositories are mirrored back to GitHub
+ (read-only), which is practical for sending patches via usual GitHub
+ forking and pull requests. The key repositories are:</para>
<itemizedlist>
<listitem>
<para><literal>freemarker</literal>: The engine itself (i.e.,
<literal>freemarker.jar</literal>) and the documentation. URL: <link
xlink:href="https://git-wip-us.apache.org/repos/asf/incubator-freemarker.git">https://git-wip-us.apache.org/repos/asf/incubator-freemarker.git</link>.
+ GitHub mirror: <link
+ xlink:href="https://github.com/apache/incubator-freemarker">https://github.com/apache/incubator-freemarker</link>.
Relevant branches (as of 2015-09-04):</para>
<itemizedlist>
@@ -1221,22 +1225,26 @@
<para><literal>freemarker-site</literal>: Web site (freemarker.org)
contents. URL: <link
xlink:href="https://git-wip-us.apache.org/repos/asf/incubator-freemarker-site.git">https://git-wip-us.apache.org/repos/asf/incubator-freemarker-site.git</link>.
+ GitHub mirror: <link
+ xlink:href="https://github.com/apache/incubator-freemarker-site">https://github.com/apache/incubator-freemarker-site</link>.
Relevant branches: <literal>master</literal></para>
</listitem>
<listitem>
<para><literal>freemarker-docgen</literal>: DocBook transformation
- used for generating both the FreeMarker Manual and the web site.
+ used for generating both the FreeMarker Manual and the Web site.
URL: <link
xlink:href="https://git-wip-us.apache.org/repos/asf/incubator-freemarker-docgen.git">https://git-wip-us.apache.org/repos/asf/incubator-freemarker-docgen.git</link>.
+ GitHub mirror: <link
+ xlink:href="https://github.com/apache/incubator-freemarker-docgen">https://github.com/apache/incubator-freemarker-docgen</link>.
Relevant branches: <literal>master</literal></para>
</listitem>
</itemizedlist>
<para>There are some other FreeMarker-related repositories, such FMPP
and Tutorials, which you can only find on the <olink
- targetdoc="githubProject">GitHub project</olink> page, as they aren't
- part of the ongoing Apache Incubation effort.</para>
+ targetdoc="githubProject">old GitHub project</olink> page, as they
+ aren't part of the ongoing Apache Incubation effort.</para>
<para><emphasis>Disclaimer: Apache FreeMarker is an effort undergoing
incubation at The Apache Software Foundation (ASF). Incubation is