enable to run tidy several times

diff --git a/test/widgets/Makefile b/test/widgets/Makefile
index ec22408..e91e13c 100644 (file)
--- a/test/widgets/Makefile
+++ b/test/widgets/Makefile
@@ -59,7 +59,7 @@ index-iframe-demo:
 tidy:
        for i in iframe-demos.html index-*.html; do \
            tidy -i -m $$i >/dev/null 2>&1; \
-           perl -i -npe 's,(</head>),<link type="text/css" rel="stylesheet" href="screenshots.css" />\n$$1,' $$i; \
+           perl -i -npe 's,(^\s*</head>),<link type="text/css" rel="stylesheet" href="screenshots.css" />\n$$1,' $$i; \
        done
 
 help: