From a638267210591900cfd7625750dc73447308d7ef Mon Sep 17 00:00:00 2001
From: human <human@cumallover.me>
Date: Thu, 10 Dec 2015 23:28:40 +0200
Subject: [PATCH 1/2] implement exclude rules

---
 src/Filtering/Filter.coffee | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/Filtering/Filter.coffee b/src/Filtering/Filter.coffee
index f7ba967a8..39fedfe22 100644
--- a/src/Filtering/Filter.coffee
+++ b/src/Filtering/Filter.coffee
@@ -22,6 +22,10 @@ Filter =
         boards = filter.match(/boards:([^;]+)/)?[1].toLowerCase() or 'global'
         boards = if boards is 'global' then null else boards.split(',')
 
+        # boards to exclude from an otherwise global rule
+        if boards is null
+          excludes = filter.match(/exclude:([^;]+)/)?[1].toLowerCase().split(',') or null
+
         if key in ['uniqueID', 'MD5']
           # MD5 filter will use strings instead of regular expressions.
           regexp = regexp[1]
@@ -64,7 +68,7 @@ Filter =
           top = filter.match(/top:(yes|no)/)?[1] or 'yes'
           top = top is 'yes' # Turn it into a boolean
 
-        @filters[key].push @createFilter regexp, boards, op, stub, hl, top
+        @filters[key].push @createFilter regexp, boards, excludes, op, stub, hl, top
 
       # Only execute filter types that contain valid filters.
       unless @filters[key].length
@@ -75,7 +79,7 @@ Filter =
       name: 'Filter'
       cb:   @node
 
-  createFilter: (regexp, boards, op, stub, hl, top) ->
+  createFilter: (regexp, boards, excludes, op, stub, hl, top) ->
     test =
       if typeof regexp is 'string'
         # MD5 checking
@@ -92,6 +96,8 @@ Filter =
     (value, boardID, isReply) ->
       if boards and boardID not in boards
         return false
+      if excludes and boardID in excludes
+        return false
       if isReply and op is 'only' or !isReply and op is 'no'
         return false
       unless test value

From d7395e92a82fe6e070859781de3358f9b700c563 Mon Sep 17 00:00:00 2001
From: human <human@cumallover.me>
Date: Thu, 10 Dec 2015 23:29:43 +0200
Subject: [PATCH 2/2] add exclude rules to filter guide

---
 src/General/Settings/Filter-guide.html | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/General/Settings/Filter-guide.html b/src/General/Settings/Filter-guide.html
index 9d453ced6..50ffaf0af 100644
--- a/src/General/Settings/Filter-guide.html
+++ b/src/General/Settings/Filter-guide.html
@@ -10,6 +10,10 @@
     Per boards, separate them with commas. It is global if not specified.<br>
     For example: <code>boards:a,jp;</code>.
   </li>
+  <li>
+    In case of a global rule, select boards to be excluded from the filter.<br>
+    For example: <code>exclude:vg,v;</code>.
+  </li>
   <li>
     Filter OPs only along with their threads (`only`), replies only (`no`), or both (`yes`, this is default).<br>
     For example: <code>op:only;</code>, <code>op:no;</code> or <code>op:yes;</code>.