Index: /trunk/doc/Makefile
===================================================================
--- /trunk/doc/Makefile	(revision 135)
+++ /trunk/doc/Makefile	(revision 136)
@@ -13,5 +13,5 @@
 
 empty : clean
-	@for f in `find . -maxdepth 1 -name *.pdf`; do \
+	@for f in `find . -maxdepth 1 -name \*.pdf`; do \
 	    if [ -f `echo $$f | sed 's/pdf/tex/'` ]; then \
 		echo $(RM) $$f; \