--- a/text/article_preamble.tex	Fri Jun 05 16:17:31 2009 +0000
+++ b/text/article_preamble.tex	Fri Jun 05 17:41:54 2009 +0000
@@ -1,6 +1,8 @@
 %auto-ignore
 %this ensures the arxiv doesn't try to start TeXing here.
 
+%!TEX root = ../blob1.tex
+
 \input{\pathtotrunk preamble.tex}
 
 \usepackage{breakurl}