use position.ML earlier;

--- a/src/Pure/General/ROOT.ML	Tue Jul 10 15:45:34 2007 +0200
+++ b/src/Pure/General/ROOT.ML	Tue Jul 10 16:44:58 2007 +0200
@@ -21,6 +21,7 @@
 use "seq.ML";
 use "susp.ML";
 use "path.ML";
+use "position.ML";
 use "url.ML";
 use "file.ML";
 use "buffer.ML";

--- a/src/Pure/ROOT.ML	Tue Jul 10 15:45:34 2007 +0200
+++ b/src/Pure/ROOT.ML	Tue Jul 10 16:44:58 2007 +0200
@@ -25,7 +25,6 @@
 use "term.ML";
 use "term_subst.ML";
 use "General/pretty.ML";
-use "General/position.ML";
 use "sorts.ML";
 use "type.ML";
 use "context.ML";