From fa79212fea1b4a23d5fa14b406ca7c1311e83809 Mon Sep 17 00:00:00 2001
From: Florian Bruhin <git@the-compiler.org>
Date: Sun, 15 Jun 2014 11:29:33 +0200
Subject: [PATCH] Don't crash on :<space>

---
 qutebrowser/widgets/statusbar/command.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/qutebrowser/widgets/statusbar/command.py b/qutebrowser/widgets/statusbar/command.py
index 52899d268..3b6837946 100644
--- a/qutebrowser/widgets/statusbar/command.py
+++ b/qutebrowser/widgets/statusbar/command.py
@@ -105,6 +105,10 @@ class Command(MinimalLineEdit):
             # When only ":" is entered, we already have one imaginary part,
             # which just is empty at the moment.
             return ['']
+        if not text.strip():
+            # Text is only whitespace so we treat this as a single element with
+            # the whitespace.
+            return [text]
         manager = CommandManager()
         parts = manager.parse(text, fallback=True, alias_no_args=False)
         if self._empty_item_idx is not None: