reduce copy/paste

git-svn-id: https://svn.apache.org/repos/asf/maven/doxia/doxia-tools/trunk@1604403 13f79535-47bb-0310-9956-ffa450edef68
remove XML encoding parametrization, since it doesn't have meaning

git-svn-id: https://svn.apache.org/repos/asf/maven/doxia/doxia-tools/trunk@1604407 13f79535-47bb-0310-9956-ffa450edef68
[DOXIATOOLS-44] don't forget to close inputstream

git-svn-id: https://svn.apache.org/repos/asf/maven/doxia/doxia-tools/trunk@1604408 13f79535-47bb-0310-9956-ffa450edef68