From 46396cce1e45001bfbb2aa81abafdcfed89af3f6 Mon Sep 17 00:00:00 2001
From: Florian Bruhin <git@the-compiler.org>
Date: Tue, 6 Jan 2015 10:00:28 +0100
Subject: [PATCH] Fix maxsplit-splitting with empty args (""/'').

Fixes #453.
---
 qutebrowser/commands/runners.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/qutebrowser/commands/runners.py b/qutebrowser/commands/runners.py
index dbfcb0303..5543f1455 100644
--- a/qutebrowser/commands/runners.py
+++ b/qutebrowser/commands/runners.py
@@ -270,8 +270,11 @@ class CommandRunner(QObject):
                                               maxsplit=maxsplit)
                     for s in args:
                         # remove quotes and replace \" by "
-                        s = re.sub(r"""(^|[^\\])["']""", r'\1', s)
-                        s = re.sub(r"""\\(["'])""", r'\1', s)
+                        if s == '""' or s == "''":
+                            s = ''
+                        else:
+                            s = re.sub(r"""(^|[^\\])["']""", r'\1', s)
+                            s = re.sub(r"""\\(["'])""", r'\1', s)
                         self._args.append(s)
                     break
             else: