From cd4f789562b5220844ec754a1051c89b5f6a3c05 Mon Sep 17 00:00:00 2001
From: Nicolas Stepien <stepien.nicolas@gmail.com>
Date: Fri, 5 Apr 2013 22:30:06 +0200
Subject: [PATCH] Alert Firefox users if they didn't set up flexbox correctly.

---
 src/features.coffee | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/features.coffee b/src/features.coffee
index 642410391..44e88704d 100644
--- a/src/features.coffee
+++ b/src/features.coffee
@@ -212,6 +212,16 @@ Settings =
       open: -> Conf['Enable 4chan\'s Extension']
 
     $.get 'previousversion', null, (item) ->
+      <% if (type === 'userscript') { %>
+      el = $.el 'span'
+      el.style.flex = 'test'
+      if el.style.flex is 'test'
+        el.innerHTML = """
+        Firefox is not correctly set up and some <%= meta.name %> features will be displayed incorrectly.<br>
+        Follow the instructions of the <a href='<%= meta.page %>' target=_blank>install guide</a> to fix it.
+        """
+        new Notification 'warning', el, 30
+      <% } %>
       if previous = item['previousversion']
         return if previous is g.VERSION
         # Avoid conflicts between sync'd newer versions