Branko Vukelic committed 733ea7b

Documented del_params template tag

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 and the output would be::
-    ``/foo?foo=bar``
+    /foo?foo=bar
 Existing URL parameters are overridden by the ones specified as keyword
+{% del_params %}
+This tag outputs a path stripped of specified parameters, or all query 
+parameters if none are specified. For example, if we are on the
+``/foo?bar=1&baz=2`` URL::
+    {% del_param request.get_full_path 'bar' %}
+    /foo?baz=2
+and ::
+    {% del_params request.get_full_path %}
+    /foo
 {% url_params %}
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