Add an example of the ${VAR} syntax alluded to.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1401124 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/docs/manual/mod/core.xml b/docs/manual/mod/core.xml
index a5d7682b68260afef285da586122323525f1a2c3..dd59bfae4d65c1cc2e26a1f8024e2cff18dbcebe 100644 (file)
--- a/docs/manual/mod/core.xml
+++ b/docs/manual/mod/core.xml
@@ -704,6 +704,8 @@ which no other media type configuration could be found.
   Define servername www.example.com
   Define SSL
 </IfDefine>
+
+    DocumentRoot /var/www/${servername}/htdocs
     </highlight>
 
     <p>Variable names may not contain colon ":" characters, to avoid clashes