From b55ae02eda3c02cbcbea546d6f5cb5b52c260a60 Mon Sep 17 00:00:00 2001
From: Marc Jauvin <marc.jauvin@gmail.com>
Date: Tue, 30 Jan 2018 09:48:52 -0500
Subject: [PATCH] document proxy environment variable for system proxy

---
 qutebrowser/browser/network/proxy.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/qutebrowser/browser/network/proxy.py b/qutebrowser/browser/network/proxy.py
index 2821a840d..9a1f80ae8 100644
--- a/qutebrowser/browser/network/proxy.py
+++ b/qutebrowser/browser/network/proxy.py
@@ -61,6 +61,8 @@ class ProxyFactory(QNetworkProxyFactory):
         """
         proxy = config.val.content.proxy
         if proxy is configtypes.SYSTEM_PROXY:
+            # On Linux, use "export http_proxy=socks5://host:port" to manually set system proxy
+            # ref. http://doc.qt.io/qt-5/qnetworkproxyfactory.html#systemProxyForQuery
             proxies = QNetworkProxyFactory.systemProxyForQuery(query)
         elif isinstance(proxy, pac.PACFetcher):
             proxies = proxy.resolve(query)