From 45b5d92f3d74a3cd81cc72931ad25b9cd6d3c41f Mon Sep 17 00:00:00 2001
From: david <david@e0a8ed71-7df4-0310-8962-fdc924857419>
Date: Thu, 7 Feb 2013 02:28:23 +0000
Subject: [PATCH] Don't treat an empty string as an invalid URL.

To me, this is a relative URL with a path of "". I.e., it refers to the
same document as wherever the URL appeared, like when people do
<form action="" enctype="multipart/form-data" method="POST">
---
 nselib/url.lua | 2 --
 1 file changed, 2 deletions(-)

diff --git a/nselib/url.lua b/nselib/url.lua
index b6ed13af1..f17ca7327 100644
--- a/nselib/url.lua
+++ b/nselib/url.lua
@@ -152,8 +152,6 @@ function parse(url, default)
     -- initialize default parameters
     local parsed = {}
     for i,v in base.pairs(default or parsed) do parsed[i] = v end
-    -- empty url is parsed to nil
-    if not url or url == "" then return nil, "invalid url" end
     -- remove whitespace
     -- url = string.gsub(url, "%s", "")
     -- get fragment