updated for version 7.0091
diff --git a/runtime/indent/docbk.vim b/runtime/indent/docbk.vim
index 6b807bb..297ad04 100644
--- a/runtime/indent/docbk.vim
+++ b/runtime/indent/docbk.vim
@@ -5,9 +5,15 @@
" Latest Revision: 2004-05-22
" arch-tag: 3d073af7-1d69-42a2-99ad-9a49a21eb28f
+if exists("b:did_indent")
+ finish
+endif
+
" Same as XML indenting for now.
runtime! indent/xml.vim
-setlocal indentexpr=XmlIndentGet(v:lnum,0)
+if exists('*XmlIndentGet')
+ setlocal indentexpr=XmlIndentGet(v:lnum,0)
+endif
" vim: set sts=2 sw=2: