diff -r 13f3aaf12be2 -r ec7d7f877712 doc-src/IsarRef/Makefile
--- a/doc-src/IsarRef/Makefile	Mon Aug 28 13:50:24 2000 +0200
+++ b/doc-src/IsarRef/Makefile	Mon Aug 28 13:52:38 2000 +0200
@@ -15,7 +15,8 @@
 
 FILES = isar-ref.tex intro.tex basics.tex syntax.tex pure.tex \
 	generic.tex hol.tex refcard.tex conversion.tex ../isar.sty \
-	../rail.sty ../railsetup.sty ../proof.sty ../iman.sty ../extra.sty ../manual.bib
+	../rail.sty ../railsetup.sty ../proof.sty ../iman.sty \
+	../extra.sty ../ttbox.sty ../manual.bib
 
 dvi: $(NAME).dvi