Bump year to 2015 for main documentation

diff --git a/doc/book.xml b/doc/book.xml
index 86c2886..6f265ca 100644 (file)
--- a/doc/book.xml
+++ b/doc/book.xml
@@ -26,7 +26,7 @@
   </authorgroup>
   <releaseinfo>&version;</releaseinfo>
   <copyright>
-   <year>2005-2014</year>
+   <year>2005-2015</year>
    <holder>Index Data</holder>
   </copyright>
   <abstract>