use -output switch instead of shell redirection

diff --git a/slides/demo/Makefile b/slides/demo/Makefile
index 98fe8c7cf177e57f3e91f1d0f769b20b62d7fd0c..9c15bd568a24e08ee298bea2ed6ad95ba1357cbb 100644 (file)
--- a/slides/demo/Makefile
+++ b/slides/demo/Makefile
@@ -18,7 +18,7 @@ all: index.html slides.pdf
        done
 
 index.html: index.xml
-       $(XSLT) $< $(DOCSTYLE) > $@
+       $(XSLT) -output $@ $< $(DOCSTYLE) 
 
 %.fo : %.xml
 ifeq ($(FORMATTER),tex)