Issue 4934 - Add 'Requirements for Adblock Plus recommended filter lists' page to adblockplus.org

pages/filter-lists-requirements.html

Index: pages/filter-lists-requirements.html
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+title=Recommended filter list requirements
+description=A filter list must meet certain requirements in order to be recommended to users by Adblock Plus.
+
+<p>{{filter-lists-requirements-intro[Filter Lists Requirements Intro] The list:}}</p>
+
+<ul>
+    <li>
+        {{filter-lists-requirements-item-1[Filter Lists Requirements List Item] Should be open source and have the possibility for users to report issues/suggest filters}}
+    </li>
+
+    <li>
+        {{filter-lists-requirements-item-2[Filter Lists Requirements List Item] Must be unique (does not duplicate another list or filters in another list)}}
+        <ul>
+            <li>
+                {{filter-lists-requirements-item-2-example[Filter Lists Requirements List Item] Example: we will not support a second German filter list, or a list that has filters already contained in <fix>EasyList</fix> (i.e. do not create another "<fix>EasyList</fix> Germany" if it does not include additional or better filters)}}
+            </li>
+        </ul>
+    </li>
+
+    <li>
+        {{filter-lists-requirements-item-3[Filter Lists Requirements List Item] Must meet a certain quality}}
+        <ul>
+            <li>
+                {{filter-lists-requirements-item-3-example[Filter Lists Requirements List Item] Example: should have no redundancy, no extremely generic filters, no <a href="https://adblockplus.org/forum/viewtopic.php?t=6118">"slow" filters</a>}}
+            </li>
+        </ul>
+    </li>
+
+    <li>
+        {{filter-lists-requirements-item-4[Filter Lists Requirements List Item] Must comply with certain minimum standards, as stated in the <a href="https://easylist.to/pages/policy.html"><fix>EasyList</fix> policy</a>}}
+    </li>
+
+    <li>
+        {{filter-lists-requirements-item-5[Filter Lists Requirements List Item] Must block only ads}}
+        <ul>
+            <li>
+                {{filter-lists-requirements-item-5-example[Filter Lists Requirements List Item] Example: it shouldn’t block non-ads, i.e. content, or self-promotion, and it must not work around anti-ad block warnings and messages or technological measures that effectively control access to websites.}}
+            </li>
+        </ul>
+    </li>
+
+    <li>
+        {{filter-lists-requirements-item-6[Filter Lists Requirements List Item] Must be actively maintained.}}
+    </li>
+
+    <li>
+        {{filter-lists-requirements-item-7[Filter Lists Requirements List Item] Finally, the filter list author must have a proficient understanding of the language he/she is creating the list for.}}
+    </li>
+</ul>