added tests for html-longdesc See README.html for more info. 
diff --git a/html-longdesc/empty-image-external-description-fragment.html b/html-longdesc/empty-image-external-description-fragment.html new file mode 100644 index 0000000..ae3f8d1 --- /dev/null +++ b/html-longdesc/empty-image-external-description-fragment.html 
@@ -0,0 +1,9 @@ +<!DOCTYPE html> +<html> + <head> + <title>Longdesc test: Empty image, external description fragment</title> + </head> + <body> + <img src="" alt="the image" longdesc="pass-fragment.html#fragment"> + </body> +</html> \ No newline at end of file