From 88f66874a11ac727d607ee435d2b6971c13679eb Mon Sep 17 00:00:00 2001
From: Ryan Roden-Corrent <ryan@rcorre.net>
Date: Tue, 26 Apr 2016 20:52:56 -0400
Subject: [PATCH] Don't crash when setting mark on invalid url.

---
 qutebrowser/mainwindow/tabbedbrowser.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/qutebrowser/mainwindow/tabbedbrowser.py b/qutebrowser/mainwindow/tabbedbrowser.py
index 5c3a029b1..ccf945738 100644
--- a/qutebrowser/mainwindow/tabbedbrowser.py
+++ b/qutebrowser/mainwindow/tabbedbrowser.py
@@ -656,7 +656,13 @@ class TabbedBrowser(tabwidget.TabWidget):
             key: mark identifier; capital indicates a global mark
         """
         # strip the fragment as it may interfere with scrolling
-        url = self.current_url().adjusted(QUrl.RemoveFragment)
+        try:
+            url = self.current_url().adjusted(QUrl.RemoveFragment)
+        except qtutils.QtValueError:
+            # show an error only if the mark is not automatically set
+            if key != "'":
+                message.error(self._win_id, "Failed to set mark: url invalid")
+            return
         point = self.currentWidget().page().currentFrame().scrollPosition()
 
         if key.isupper():