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+.. _filter:
+
+.. index::
+   pair: command; filter
+
+Filter command
+==============
+
+**Syntax**:(filter keyword bool)
+
+This command is used to enable or disable :ref:`filters <mfilter>`. The
+**keyword** specifies the filter to change, and should be one of the following:
+
+'edge
+
+    :ref:`Edge detection <edge>`
+
+'edge2
+
+    :ref:`Edge detection2 <edge2>`
+
+'starfield
+
+    :ref:`Starfield <starfield>`
+
+'stereogram
+
+    :ref:`Random dot stereogram <stereogram>`
+
+'interlace
+
+    :ref:`Interlace filter <interlace>`
+
+'blur
+
+    :ref:`Motion blur <blur>`
+
+'emboss
+
+    :ref:`Emboss <emboss>`
+
+'palette
+
+    :ref:`Palette emulator <palette>`
+
+'anti
+
+    :ref:`Antialiasing <anti>`
+
+'truecolor
+
+    :ref:`Truecolor <truecolor>`
+
+**Available as**: command