From 5134a7a2befb0448c1a7e989f31530fd2e10df52 Mon Sep 17 00:00:00 2001
From: Stephen Blott
Date: Thu, 14 May 2015 10:10:30 +0100
Subject: Add a couple of Google search perameter filters.

---
 background_scripts/completion.coffee | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'background_scripts')

diff --git a/background_scripts/completion.coffee b/background_scripts/completion.coffee
index bd72fae5..1e22587f 100644
--- a/background_scripts/completion.coffee
+++ b/background_scripts/completion.coffee
@@ -147,8 +147,9 @@ class Suggestion
   #
   stripPatterns: [
     # Google search specific replacements; this replaces query parameters which are known to not be helpful.
+    # There's some additional information here: http://www.teknoids.net/content/google-search-parameters-2012
     [ "^https?://www\.google\.(com|ca|com\.au|co\.uk|ie)/.*[&?]q="
-      "ei gws_rd url ved usg sa usg sig2".split(/\s+/).map (param) -> new RegExp "\&#{param}=[^&]+" ]
+      "ei gws_rd url ved usg sa usg sig2 bih biw cd".split(/\s+/).map (param) -> new RegExp "\&#{param}=[^&]+" ]
 
     # General replacements; replaces leading and trailing fluff.
     [ '.', [ "^https?://", "\\W+$" ].map (re) -> new RegExp re ]
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