Updated runtime files.
diff --git a/runtime/indent/treetop.vim b/runtime/indent/treetop.vim
new file mode 100644
index 0000000..a2af78b
--- /dev/null
+++ b/runtime/indent/treetop.vim
@@ -0,0 +1,38 @@
+" Vim indent file
+" Language: Treetop
+" Maintainer: Nikolai Weibull <now@bitwi.se>
+" Latest Revision: 2011-03-14
+
+if exists("b:did_indent")
+ finish
+endif
+let b:did_indent = 1
+
+setlocal indentexpr=GetTreetopIndent()
+setlocal indentkeys=0{,0},!^F,o,O,=end
+setlocal nosmartindent
+
+if exists("*GetTreetopIndent")
+ finish
+endif
+
+function GetTreetopIndent()
+ let pnum = prevnonblank(v:lnum - 1)
+ if pnum == 0
+ return 0
+ endif
+
+ let ind = indent(pnum)
+ let line = getline(pnum)
+
+ if line =~ '^\s*\%(grammar\|module\|rule\)\>'
+ let ind += &sw
+ endif
+
+ let line = getline(v:lnum)
+ if line =~ '^\s*end\>'
+ let ind -= &sw
+ end
+
+ retur ind
+endfunction