[gimp-help-2] Enhance Distort filter source files



commit b03087cde9e2e4400f31dcc56e83ca3c260c00c9
Author: Ulf-D. Ehlert <ulfehlert svn gnome org>
Date:   Mon May 17 20:34:53 2010 +0200

    Enhance Distort filter source files
    
    Mostly formal changes like removing duplicate menu entries,
    replacing <itemizedlist>s with <variablelist>s.

 src/filters/distort/IWarp.xml           |  362 ++++++++++++++++---------------
 src/filters/distort/curve_bend.xml      |   60 +++---
 src/filters/distort/emboss.xml          |   57 +++--
 src/filters/distort/lens-distortion.xml |    3 +-
 src/filters/distort/mosaic.xml          |  230 ++++++++++----------
 src/filters/distort/newsprint.xml       |   97 ++++----
 src/filters/distort/pagecurl.xml        |   10 +-
 src/filters/distort/polarcoords.xml     |   10 +-
 src/filters/distort/ripple.xml          |    6 +-
 src/filters/distort/shift.xml           |   10 +-
 src/filters/distort/video.xml           |    2 +-
 src/filters/distort/vpropagate.xml      |    6 +-
 src/filters/distort/waves.xml           |   55 ++---
 src/filters/distort/whirlpinch.xml      |   35 ++--
 src/filters/distort/wind.xml            |  136 +++++++-----
 15 files changed, 553 insertions(+), 526 deletions(-)
---
diff --git a/src/filters/distort/IWarp.xml b/src/filters/distort/IWarp.xml
index ddd16dd..b85531c 100644
--- a/src/filters/distort/IWarp.xml
+++ b/src/filters/distort/IWarp.xml
@@ -6,7 +6,7 @@
   2007-08-13 Added Spanish translation by AntI
   2007-04-24 KoSt: added 'no'
   2005-12-07 replaced <simplesect> by <sect3> by lexa
-  050904 de added by axel.wernicke
+  2005-09-04 de added by axel.wernicke
 -->
 <sect2 id="plug-in-iwarp">
   <title>IWarp</title>
@@ -74,176 +74,194 @@
       The first tab contains general options. The second tab holds animation
       options.
     </para>
-    <variablelist>
-      <varlistentry>
-        <term>Settings</term>
-        <listitem>
-          <figure>
-            <title><quote>IWarp</quote> filter options (Settings tab)</title>
-            <mediaobject>
-              <imageobject>
-                <imagedata format="PNG"
-                  fileref="images/filters/distort/iwarp-options-1.png"/>
-              </imageobject>
-            </mediaobject>
-          </figure>
-          <para>
-            The Settings tab allows you to set parameters which will affect
-            the preview you are working on. So, you can apply different deform
-            modes to different parts of the preview.
-          </para>
-          <variablelist>
-            <varlistentry>
-              <term>Preview</term>
-              <listitem>
-                <para>
-                  Here, the Preview is your work space: You click on the
-                  Preview and drag mouse pointer. The underlying part of image
-                  will be deformed according to the settings you have chosen.
-                  If your work is not convenient, press the
-                  <emphasis>Reset</emphasis> button.
-                </para>
-              </listitem>
-            </varlistentry>
-            <varlistentry>
-              <term>Deform Mode</term>
-              <listitem>
-                <itemizedlist>
-                  <listitem>
-                    <para>
-                      <guilabel>Move</guilabel>: Allows you to
-                      <emphasis>stretch</emphasis> parts of the image.
-                    </para>
-                  </listitem>
-                  <listitem>
-                    <para>
-                      <guilabel>Remove</guilabel>: This remove the distortion
-                      where you drag the mouse pointer, partially or
-                      completely. This allows you to avoid pressing Reset
-                      button, working on the whole image. Be careful when
-                      working on an animation: this option will affect one
-                      frame only.
-                    </para>
-                  </listitem>
-                  <listitem>
-                    <para>
-                      <guilabel>Grow</guilabel>: This option inflates the
-                      pointed pattern.
-                    </para>
-                  </listitem>
-                  <listitem>
-                    <para>
-                      <guilabel>Shrink</guilabel>: Self explanatory.
-                    </para>
-                  </listitem>
-                  <listitem>
-                    <para>
-                      <guilabel>Swirl CCW </guilabel>: Create a vortex counter
-                      clockwise.
-                    </para>
-                  </listitem>
-                  <listitem>
-                    <para>
-                      <guilabel>Swirl CW </guilabel>: Create a vortex clockwise.
-                    </para>
-                  </listitem>
-                </itemizedlist>
-              </listitem>
-            </varlistentry>
-            <varlistentry>
-              <term>Deform Radius</term>
-              <listitem>
-                <para>
-                  Defines the radius, in pixels (5-100), of the filter action
-                  circle around the pixel pointed by the mouse.
-                </para>
-              </listitem>
-            </varlistentry>
-            <varlistentry>
-              <term>Deform Amount</term>
-              <listitem>
-                <para>
-                  Sets how much out of shape your image will be put (0.0-1.0).
-                </para>
-              </listitem>
-            </varlistentry>
-            <varlistentry>
-              <term>Bilinear</term>
-              <listitem>
-                <para>
-                  This option smooths the IWarp effect.
-                </para>
-              </listitem>
-            </varlistentry>
-            <varlistentry>
-              <term>
-                Adaptive Supersample
-              </term>
-              <listitem>
-                <para>
-                  This option renders a better image at the cost of increased
-                  calculation.
-                </para>
-                <para><guilabel>Max Depth</guilabel>: this value limits the maximum
-                  sampling iterations performed on each pixel.
-                </para>
-                <para><guilabel>Threshold</guilabel>: when the value difference
-                  between a pixel and the adjacent ones exceeds this threshold
-                  a new sampling iteration is performed on the pixel.
-                </para>
-              </listitem>
-            </varlistentry>
-          </variablelist>
-        </listitem>
-      </varlistentry>
-      <varlistentry>
-        <term>Animate</term>
-        <listitem>
-          <figure>
-            <title><quote>IWarp</quote> filter options (Animation tab)</title>
-            <mediaobject>
-              <imageobject>
-                <imagedata format="PNG"
-                  fileref="images/filters/distort/iwarp-options-2.png"/>
-              </imageobject>
-            </mediaobject>
-          </figure>
-          <para>
-            This tab allows to generate several intermediate images between
-            the original image and the final deformation of this image. You
-            can play this animation thanks to the
-            <link linkend="plug-in-animationplay">Playback</link> plug-in.
-          </para>
-          <variablelist>
-            <varlistentry>
-              <term>Number of Frames</term>
-              <listitem>
-                <para>
-                  That's the number of images in your animation (2-100). These
-                  frames are stored as layers attached to your image. Use the
-                  XCF format when saving it.
-                </para>
-              </listitem>
-            </varlistentry>
-            <varlistentry>
-              <term>Reverse</term>
-              <listitem>
-                <para>
-                  This option plays the animation backwards.
-                </para>
-              </listitem>
-            </varlistentry>
-            <varlistentry>
-              <term>Ping-Pong</term>
-              <listitem>
-                <para>
-                  When the animation ends one way, it goes backwards.
-                </para>
-              </listitem>
-            </varlistentry>
-          </variablelist>
-        </listitem>
-      </varlistentry>
-    </variablelist>
+
+    <sect4>
+      <title>Settings</title>
+      <figure>
+        <title><quote>IWarp</quote> filter options (Settings tab)</title>
+        <mediaobject>
+          <imageobject>
+            <imagedata format="PNG"
+              fileref="images/filters/distort/iwarp-options-1.png"/>
+          </imageobject>
+        </mediaobject>
+      </figure>
+      <para>
+        The Settings tab allows you to set parameters which will affect
+        the preview you are working on. So, you can apply different deform
+        modes to different parts of the preview.
+      </para>
+
+      <variablelist>
+        <varlistentry>
+          <term>Preview</term>
+          <listitem>
+            <para>
+              Here, the Preview is your work space: You click on the
+              Preview and drag mouse pointer. The underlying part of image
+              will be deformed according to the settings you have chosen.
+              If your work is not convenient, press the
+              <emphasis>Reset</emphasis> button.
+            </para>
+          </listitem>
+        </varlistentry>
+        <varlistentry>
+          <term>Deform Mode</term>
+          <listitem>
+            <variablelist>
+              <varlistentry>
+                <term><guilabel>Move</guilabel></term>
+                <listitem>
+                  <para>
+                    Allows you to <emphasis>stretch</emphasis> parts of the
+                    image.
+                  </para>
+                </listitem>
+              </varlistentry>
+              <varlistentry>
+                <term><guilabel>Remove</guilabel></term>
+                <listitem>
+                  <para>
+                    This remove the distortion where you drag the mouse
+                    pointer, partially or completely. This allows you to avoid
+                    pressing Reset button, working on the whole image. Be
+                    careful when working on an animation: this option will
+                    affect one frame only.
+                  </para>
+                </listitem>
+              </varlistentry>
+              <varlistentry>
+                <term><guilabel>Grow</guilabel></term>
+                <listitem>
+                  <para>
+                    This option inflates the pointed pattern.
+                  </para>
+                </listitem>
+              </varlistentry>
+              <varlistentry>
+                <term><guilabel>Shrink</guilabel></term>
+                <listitem>
+                  <para>Self explanatory.</para>
+                </listitem>
+              </varlistentry>
+              <varlistentry>
+                <term><guilabel>Swirl CCW</guilabel></term>
+                <listitem>
+                  <para>Create a vortex counter clockwise.</para>
+                </listitem>
+              </varlistentry>
+              <varlistentry>
+                <term><guilabel>Swirl CW</guilabel></term>
+                <listitem>
+                  <para>Create a vortex clockwise.</para>
+                </listitem>
+              </varlistentry>
+            </variablelist>
+          </listitem>
+        </varlistentry>
+        <varlistentry>
+          <term>Deform radius</term>
+          <listitem>
+            <para>
+              Defines the radius, in pixels (5-100), of the filter action
+              circle around the pixel pointed by the mouse.
+            </para>
+          </listitem>
+        </varlistentry>
+        <varlistentry>
+          <term>Deform amount</term>
+          <listitem>
+            <para>
+              Sets how much out of shape your image will be put (0.0-1.0).
+            </para>
+          </listitem>
+        </varlistentry>
+        <varlistentry>
+          <term>Bilinear</term>
+          <listitem>
+            <para>
+              This option smooths the IWarp effect.
+            </para>
+          </listitem>
+        </varlistentry>
+        <varlistentry>
+          <term>Adaptive supersample</term>
+          <listitem>
+            <para>
+              This option renders a better image at the cost of increased
+              calculation.
+            </para>
+            <variablelist>
+              <varlistentry>
+                <term><guilabel>Max Depth</guilabel></term>
+                <listitem>
+                  <para>
+                    This value limits the maximum sampling iterations
+                    performed on each pixel.
+                  </para>
+                </listitem>
+              </varlistentry>
+              <varlistentry>
+                <term><guilabel>Threshold</guilabel></term>
+                <listitem>
+                  <para>
+                    When the value difference between a pixel and the adjacent
+                    ones exceeds this threshold a new sampling iteration is
+                    performed on the pixel.
+                  </para>
+                </listitem>
+              </varlistentry>
+            </variablelist>
+          </listitem>
+        </varlistentry>
+      </variablelist>
+    </sect4>
+
+    <sect4>
+      <title>Animate</title>
+      <figure>
+        <title><quote>IWarp</quote> filter options (Animation tab)</title>
+        <mediaobject>
+          <imageobject>
+            <imagedata format="PNG"
+              fileref="images/filters/distort/iwarp-options-2.png"/>
+          </imageobject>
+        </mediaobject>
+      </figure>
+      <para>
+        This tab allows to generate several intermediate images between
+        the original image and the final deformation of this image. You
+        can play this animation thanks to the
+        <link linkend="plug-in-animationplay">Playback</link> plug-in.
+      </para>
+      <variablelist>
+        <varlistentry>
+          <term>Number of frames</term>
+          <listitem>
+            <para>
+              That's the number of images in your animation (2-100). These
+              frames are stored as layers attached to your image. Use the
+              XCF format when saving it.
+            </para>
+          </listitem>
+        </varlistentry>
+        <varlistentry>
+          <term>Reverse</term>
+          <listitem>
+            <para>
+              This option plays the animation backwards.
+            </para>
+          </listitem>
+        </varlistentry>
+        <varlistentry>
+          <term>Ping pong</term>
+          <listitem>
+            <para>
+              When the animation ends one way, it goes backwards.
+            </para>
+          </listitem>
+        </varlistentry>
+      </variablelist>
+    </sect4>
   </sect3>
 </sect2>
diff --git a/src/filters/distort/curve_bend.xml b/src/filters/distort/curve_bend.xml
index 44ade9f..6728f94 100644
--- a/src/filters/distort/curve_bend.xml
+++ b/src/filters/distort/curve_bend.xml
@@ -82,7 +82,7 @@
           </para>
           <variablelist>
             <varlistentry>
-              <term>Preview Once</term>
+              <term>Preview once</term>
               <listitem>
                 <para>
                   This button allows you to update the preview each time you
@@ -96,7 +96,7 @@
                 <para>
                   With this option, preview is changed in real time. This
                   needs much calculation and may lengthen work. It is
-                  particularly evident when using "Rotation".
+                  particularly evident when using <quote>Rotation</quote>.
                 </para>
               </listitem>
             </varlistentry>
@@ -115,12 +115,13 @@
                   counter-clockwise). 0 is default setting: The curve will be
                   applied from the upper border and/or from the lower. Set to
                   90, it will be applied from left border and/or from the
-                  right  one.
+                  right one.
                 </para>
               </listitem>
             </varlistentry>
             <varlistentry>
-              <term>Smoothing and Antialiasing</term>
+              <term>Smoothing</term>
+              <term>Antialiasing</term>
               <listitem>
                 <para>
                   The distort process may create hard and stepped borders.
@@ -129,7 +130,7 @@
               </listitem>
             </varlistentry>
             <varlistentry>
-              <term>Work on Copy</term>
+              <term>Work on copy</term>
               <listitem>
                 <para>
                   This option creates a new layer called
@@ -144,7 +145,7 @@
         </listitem>
       </varlistentry>
       <varlistentry>
-        <term>Modify Curve</term>
+        <term>Modify Curves</term>
         <listitem>
           <para>
             In this grid, you have a marked horizontal line, with a node at
@@ -155,14 +156,15 @@
           </para>
           <para>
             You can have only two curves on the grid, one for the so named
-            "upper" border and the other for the so named "lower" border. You
-            can activate one of them by checking the
-            <emphasis>Upper</emphasis> or <emphasis>Lower</emphasis> radio
-            button.
+            <quote>upper</quote> border and the other for the so named
+            <quote>lower</quote> border. You can activate one of them by
+            checking the <guilabel>Upper</guilabel> or
+            <guilabel>Lower</guilabel> radio button.
           </para>
           <para>
-            If you use the <emphasis>Curve Type Free</emphasis> option, the
-            curve you draw will replace the active curve.
+            If you use the <guilabel>Free</guilabel> <emphasis>Curve
+            Type</emphasis> option, the curve you draw will replace the active
+            curve.
           </para>
         </listitem>
       </varlistentry>
@@ -171,14 +173,14 @@
         <listitem>
           <para>
             There you can select whether the active curve must be applied to
-            the <emphasis>Superior (or left)</emphasis> or the
-            <emphasis>Inferior (or right)</emphasis> border, according to the
+            the <guilabel>Upper</guilabel> or the <guilabel>Lower</guilabel>
+            border, according to the
             rotation.
           </para>
           <caution>
             <para>
               Remember that the curve border depends on the rotation. For
-              example, with <emphasis>Rotate</emphasis> = 90° the upper curve
+              example, with <guilabel>Rotate</guilabel> = 90° the upper curve
               will actually be applied to the left border.
             </para>
           </caution>
@@ -188,11 +190,11 @@
         <term>Curve Type</term>
         <listitem>
           <para>
-            With the <emphasis>Smooth</emphasis>, you get automatically a well
+            With the <guilabel>Smooth</guilabel>, you get automatically a well
             rounded curve when you drag a node.
           </para>
           <para>
-            The <emphasis>Free</emphasis> option allows you to draw a curve
+            The <guilabel>Free</guilabel> option allows you to draw a curve
             freely. It will replace the active curve.
           </para>
         </listitem>
@@ -204,50 +206,40 @@
             <varlistentry>
               <term>Copy</term>
               <listitem>
-                <para>
-                  Copy the active curve to the other border.
-                </para>
+                <para>Copy the active curve to the other border.</para>
               </listitem>
             </varlistentry>
             <varlistentry>
               <term>Mirror</term>
               <listitem>
-                <para>
-                   Mirror the active curve to the other border.
-                </para>
+                <para>Mirror the active curve to the other border.</para>
               </listitem>
             </varlistentry>
             <varlistentry>
               <term>Swap</term>
               <listitem>
                 <para>
-                  Swap the <quote>superior</quote> and
-                  <quote>inferior</quote> curves.
+                  Swap the <guilabel>Upper</guilabel> and
+                  <guilabel>Lower</guilabel> curves.
                 </para>
               </listitem>
             </varlistentry>
             <varlistentry>
               <term>Reset</term>
               <listitem>
-                <para>
-                  Reset the active curve.
-                </para>
+                <para>Reset the active curve.</para>
               </listitem>
             </varlistentry>
             <varlistentry>
               <term>Open</term>
               <listitem>
-                <para>
-                  Load the curve from a file.
-                </para>
+                <para>Load the curve from a file.</para>
               </listitem>
             </varlistentry>
             <varlistentry>
               <term>Save</term>
               <listitem>
-                <para>
-                  Save the curve to a file.
-                </para>
+                <para>Save the curve to a file.</para>
               </listitem>
             </varlistentry>
           </variablelist>
diff --git a/src/filters/distort/emboss.xml b/src/filters/distort/emboss.xml
index 39833df..0704991 100644
--- a/src/filters/distort/emboss.xml
+++ b/src/filters/distort/emboss.xml
@@ -44,13 +44,13 @@
       </mediaobject>
     </figure>
     <para>
-      You can use it only with RGB images. If your image is grayscale, it
-      will be grayed out in the menu.
+      This filter stamps and carves the active layer or selection, giving it
+      relief with bumps and hollows. Bright areas are raised and dark ones are
+      carved. You can vary the lighting.
     </para>
     <para>
-      It stamps and carves the active layer or selection, giving it relief
-      with bumps and hollows. Bright areas are raised and dark ones are
-      carved. You can vary the lighting.
+      You can use the filter only with RGB images. If your image is grayscale,
+      it will be grayed out in the menu.
     </para>
   </sect3>
 
@@ -84,32 +84,42 @@
           <para>
             All your setting changes will appear in the Preview without
             affecting the image until you click on <guilabel>OK</guilabel>.
-            Don't keep <emphasis>Do Preview</emphasis> checked if your
-            computer is too much slow.
+            Don't keep <guilabel>Preview</guilabel> checked if your computer
+            is too slow.
           </para>
         </listitem>
       </varlistentry>
       <varlistentry>
         <term>Function</term>
         <listitem>
-          <para>
-            <guilabel>Bumpmap</guilabel>: Relief is smooth and colors are
-            preserved.
-          </para>
-          <para>
-            <guilabel>Emboss</guilabel>: It turns your image to grayscale
-            and relief is more marked, looking like metal.
-          </para>
+          <variablelist>
+            <varlistentry>
+              <term><guilabel>Bumpmap</guilabel></term>
+              <listitem>
+                <para>
+                  Relief is smooth and colors are preserved.
+                </para>
+              </listitem>
+            </varlistentry>
+            <varlistentry>
+              <term><guilabel>Emboss</guilabel></term>
+              <listitem>
+                <para>
+                  It turns your image to grayscale and relief is more marked,
+                  looking like metal.
+                </para>
+              </listitem>
+            </varlistentry>
+          </variablelist>
         </listitem>
       </varlistentry>
       <varlistentry>
         <term>Azimuth</term>
         <listitem>
           <para>
-            <guilabel>Azimuth</guilabel>: This is about lighting
-            according to the points of the compass (0 - 360). If you
-            suppose South is at the top of your image, then East (0°) is
-            on the left. Increasing value goes counter-clockwise.
+            This is about lighting according to the points of the compass (0 -
+            360). If you suppose South is at the top of your image, then East
+            (0°) is on the left. Increasing value goes counter-clockwise.
           </para>
         </listitem>
       </varlistentry>
@@ -117,9 +127,8 @@
         <term>Elevation</term>
         <listitem>
           <para>
-            <guilabel>Elevation</guilabel>: That's height from
-            horizon (0°), in principle up to zenith (90°), but here up
-            to the opposite horizon (180°).
+            That's height from horizon (0°), in principle up to zenith (90°),
+            but here up to the opposite horizon (180°).
           </para>
         </listitem>
       </varlistentry>
@@ -127,8 +136,8 @@
         <term>Depth</term>
         <listitem>
           <para>
-            <guilabel>Depth</guilabel> Seems to be the distance of the
-            light source. Light decreases when value increases.
+            Seems to be the distance of the light source. Light decreases when
+            value increases.
           </para>
         </listitem>
       </varlistentry>
diff --git a/src/filters/distort/lens-distortion.xml b/src/filters/distort/lens-distortion.xml
index dd02980..2f37175 100644
--- a/src/filters/distort/lens-distortion.xml
+++ b/src/filters/distort/lens-distortion.xml
@@ -249,7 +249,8 @@
         </listitem>
       </varlistentry>
       <varlistentry>
-        <term>X shift; Y shift</term>
+        <term>X shift</term>
+        <term>Y shift</term>
         <listitem>
           <para>
             These two options specify the shift of the image produced by not
diff --git a/src/filters/distort/mosaic.xml b/src/filters/distort/mosaic.xml
index 0b2c956..c78242d 100644
--- a/src/filters/distort/mosaic.xml
+++ b/src/filters/distort/mosaic.xml
@@ -76,159 +76,155 @@
       <varlistentry>
         <term>Preview</term>
         <listitem>
+          <!-- changed 2010-05-17 ude: looks like just the opposite is true...
+            Note that the preview displays the whole image, even if the final
+            result will concern a selection.
+          -->
           <para>
             All your setting changes will appear in the Preview without
             affecting the image until you click on <guilabel>OK</guilabel>.
-            Note that the preview displays the whole image, even if the
-            final result will concern a selection. Don't keep
-            <emphasis>Do Preview</emphasis> checked if your computer is too
-            much slow.
+            Note that the preview displays only a part of the whole image if
+            the filter is applied to an selection. Don't keep
+            <guilabel>Preview</guilabel> checked if your computer is too slow.
           </para>
         </listitem>
       </varlistentry>
       <varlistentry>
-        <term>Options</term>
+        <term>Tiling primitives</term>
         <listitem>
+          <para>
+            This option is self-understanding:
+          </para>
           <variablelist>
             <varlistentry>
-              <term>Antialiasing</term>
-              <listitem>
-                <para>
-                  This option reduces the stepped aspect that may have
-                  borders.
-                </para>
-              </listitem>
-            </varlistentry>
-            <varlistentry>
-              <term>Color Averaging</term>
+              <term><guilabel>Squares</guilabel></term>
               <listitem>
-                <para>
-                  When this option is unchecked, the image drawing can be
-                  recognized inside tiles.  When checked, the colors inside
-                  tiles are averaged into a single color.
-                </para>
+                <para>4 edges</para>
               </listitem>
             </varlistentry>
             <varlistentry>
-              <term>Allows Tile Splitting</term>
+              <term><guilabel>Hexagons</guilabel></term>
               <listitem>
-                <para>
-                  This option splits tiles in areas with many colors, and
-                  so allows a better color gradation and more details in
-                  these areas.
-                </para>
+                <para>6 edges (hexa = 6)</para>
               </listitem>
             </varlistentry>
             <varlistentry>
-              <term>Pitted Surfaces</term>
+              <term><guilabel>Octagons &amp; squares</guilabel></term>
               <listitem>
-                <para>
-                  With this option tile surface looks pitted.
-                </para>
+                <!--TODO: check: it looks like "squares" is a lie-->
+                <para>8 or 4 edges (octa = 8)</para>
               </listitem>
             </varlistentry>
             <varlistentry>
-              <term>FG/BG Lighting</term>
+              <term><guilabel>Triangles</guilabel></term>
               <listitem>
-                <para>
-                  When this option is checked, tiles are lit by the
-                  foreground color of the toolbox, and shadow is colored by
-                  the background color.  Joins have the background color.
-                </para>
+                <para>3 edges (tri = 3)</para>
               </listitem>
             </varlistentry>
           </variablelist>
         </listitem>
       </varlistentry>
       <varlistentry>
-        <term>Parameter setting</term>
+        <term>Tile size</term>
         <listitem>
-          <variablelist>
-            <varlistentry>
-              <term>Tile Size</term>
-              <listitem>
-                <para>
-                  Slider and input box allow you to set the size of tile
-                  surface.
-                </para>
-              </listitem>
-            </varlistentry>
-            <varlistentry>
-              <term>Tile Height</term>
-              <listitem>
-                <para>
-                  That's ledge, relief of tiles. Value is width of the lit
-                  border in pixels.
-                </para>
-              </listitem>
-            </varlistentry>
-            <varlistentry>
-              <term>Tile Spacing</term>
-              <listitem>
-                <para>
-                  That's width of the join between tiles.
-                </para>
-              </listitem>
-            </varlistentry>
-            <varlistentry>
-              <term>Tile Neatness</term>
-              <listitem>
-                <para>
-                  When set to 1, most of tiles have the same size. With 0
-                  value, size is determined at random and this may lead to
-                  shape variation.
-                </para>
-              </listitem>
-            </varlistentry>
-            <varlistentry>
-              <term>Light Direction</term>
-              <listitem>
-                <para>
-                  By default light comes from the upper left corner
-                  (135°). You can change this direction from 0 to 360
-                  (counter clockwise).
-                </para>
-              </listitem>
-            </varlistentry>
-            <varlistentry>
-              <term>Color Variation</term>
-              <listitem>
-                <para><guilabel>Color Variation</guilabel>: Each tile has only one
-                  color. So, the number of colors is reduced, compared to the
-                  original image. Here, you can increase the number of colors,
-                  a little.
-                </para>
-              </listitem>
-            </varlistentry>
-          </variablelist>
+          <para>
+            Slider and input box allow you to set the size of tile
+            surface.
+          </para>
+        </listitem>
+      </varlistentry>
+      <varlistentry>
+        <term>Tile height</term>
+        <listitem>
+          <para>
+            That's ledge, relief of tiles. Value is width of the lit
+            border in pixels.
+          </para>
+        </listitem>
+      </varlistentry>
+      <varlistentry>
+        <term>Tile spacing</term>
+        <listitem>
+          <para>
+            That's width of the join between tiles.
+          </para>
+        </listitem>
+      </varlistentry>
+      <varlistentry>
+        <term>Tile neatness</term>
+        <listitem>
+          <para>
+            When set to 1, most of tiles have the same size. With 0
+            value, size is determined at random and this may lead to
+            shape variation.
+          </para>
+        </listitem>
+      </varlistentry>
+      <varlistentry>
+        <term>Light direction</term>
+        <listitem>
+          <para>
+            By default light comes from the upper left corner
+            (135°). You can change this direction from 0 to 360
+            (counter clockwise).
+          </para>
+        </listitem>
+      </varlistentry>
+      <varlistentry>
+        <term>Color variation</term>
+        <listitem>
+          <para>
+            Each tile has only one color. So the number of colors is reduced,
+            compared to the original image. Here you can increase the number
+            of colors a little.
+          </para>
+        </listitem>
+      </varlistentry>
+      <varlistentry>
+        <term>Antialiasing</term>
+        <listitem>
+          <para>
+            This option reduces the stepped aspect that may have
+            borders.
+          </para>
+        </listitem>
+      </varlistentry>
+      <varlistentry>
+        <term>Color averaging</term>
+        <listitem>
+          <para>
+            When this option is unchecked, the image drawing can be
+            recognized inside tiles.  When checked, the colors inside
+            tiles are averaged into a single color.
+          </para>
+        </listitem>
+      </varlistentry>
+      <varlistentry>
+        <term>Allow tile splitting</term>
+        <listitem>
+          <para>
+            This option splits tiles in areas with many colors, and
+            so allows a better color gradation and more details in
+            these areas.
+          </para>
+        </listitem>
+      </varlistentry>
+      <varlistentry>
+        <term>Pitted surfaces</term>
+        <listitem>
+          <para>
+            With this option tile surface looks pitted.
+          </para>
         </listitem>
       </varlistentry>
       <varlistentry>
-        <term>Tile Primitives</term>
+        <term>FG/BG lighting</term>
         <listitem>
           <para>
-            This options are self-understanding:
+            When this option is checked, tiles are lit by the
+            foreground color of the toolbox, and shadow is colored by
+            the background color.  Joins have the background color.
           </para>
-          <!--TODO: itemizedlist ==> variablelist-->
-          <itemizedlist>
-            <listitem>
-              <para>
-                <guilabel>Squares</guilabel>
-              </para>
-            </listitem>
-            <listitem>
-              <para><guilabel>Hexagons</guilabel>: (hexa = 6)
-              </para>
-            </listitem>
-            <listitem>
-              <para><guilabel>Octagons and Squares</guilabel>: (octa = 8)
-              </para>
-            </listitem>
-            <listitem>
-              <para><guilabel>Triangles</guilabel>: (tri = 3)
-              </para>
-            </listitem>
-          </itemizedlist>
         </listitem>
       </varlistentry>
     </variablelist>
diff --git a/src/filters/distort/newsprint.xml b/src/filters/distort/newsprint.xml
index 89c3fee..5e502d4 100644
--- a/src/filters/distort/newsprint.xml
+++ b/src/filters/distort/newsprint.xml
@@ -72,10 +72,10 @@
     <para>
       Obviously, a large cell size results in a heavy loss in resolution! The
       spots in the cells typically start off as circles, and grow to be
-      diamond shaped. This change in shape is controlled by a <guilabel>spot
-      function</guilabel>. By using different spot functions, the evolution
-      in the shape of the spots as the cell goes from fully black to fully
-      white may be controlled.
+      diamond shaped. This change in shape is controlled by a
+      <guilabel>Spot&nbsp;function</guilabel>. By using different spot
+      functions, the evolution in the shape of the spots as the cell goes from
+      fully black to fully white may be controlled.
     </para>
   </sect3>
 
@@ -106,13 +106,16 @@
       <varlistentry>
         <term>Preview</term>
         <listitem>
+          <!-- changed 2010-05-17 ude: looks like just the opposite is true...
+            Note that the preview displays the whole image, even if the final
+            result will concern a selection.
+          -->
           <para>
             All your setting changes will appear in the Preview without
             affecting the image until you click on <guilabel>OK</guilabel>.
-            Note that the preview displays the whole image, even if the
-            final result will concern a selection. Don't keep
-            <emphasis>Do Preview</emphasis> checked if your computer is too
-            much slow.
+            Note that the preview displays only a part of the whole image if
+            the filter is applied to an selection. Don't keep
+            <guilabel>Preview</guilabel> checked if your computer is too slow.
           </para>
         </listitem>
       </varlistentry>
@@ -128,9 +131,8 @@
               <term>Input SPI</term>
               <listitem>
                 <para>
-                  <guilabel>Input SPI</guilabel>
-                  : Resolution of the original input image, in Samples Per
-                  Inch (SPI). This is automatically initialised to the input
+                  Resolution of the original input image, in Samples Per Inch
+                  (SPI). This is automatically initialised to the input
                   image's resolution.
                 </para>
               </listitem>
@@ -138,16 +140,17 @@
             <varlistentry>
               <term>Output LPI</term>
               <listitem>
-                <para><guilabel>Output LPI</guilabel>: Desired output
-                  resolution, in Lines Per Inch (LPI).
+                <para>
+                  Desired output resolution, in Lines Per Inch (LPI).
                 </para>
               </listitem>
             </varlistentry>
             <varlistentry>
-              <term>Cell Size</term>
+              <term>Cell size</term>
               <listitem>
-                <para><guilabel>Cell Size</guilabel>: Resulting cell size, in
-                  pixels.  Most often you will want to set this directly.
+                <para>
+                  Resulting cell size, in pixels. Most often you will want to
+                  set this directly.
                 </para>
               </listitem>
             </varlistentry>
@@ -161,61 +164,59 @@
             <varlistentry>
               <term>Separate To RGB, CMYK, Intensity</term>
               <listitem>
-                <para><guilabel>Separate To RGB, CMYK, Intensity</guilabel>:
-                  Select which colorspace you
-                  wish to operate in.  In <emphasis>RGB</emphasis> mode, no
-                  colorspace conversion is performed. In
-                  <emphasis>CMYK</emphasis>, the image is first
+                <para>
+                  Select which colorspace you wish to operate in.  In
+                  <emphasis>RGB</emphasis> mode, no colorspace conversion is
+                  performed. In <emphasis>CMYK</emphasis>, the image is first
                   internally converted to CMYK, then each color channel is
-                  separately halftoned, before finally being
-                  recombined back to an RGB image.
-                  In <emphasis>Intensity</emphasis> mode, the
-                  image is internally converted to grayscale,
-                  halftoned, then the result used as the alpha channel
-                  for the input image.  This is good for special
-                  effects, but requires a little experimentation to
-                  achieve best results.  Hint: try CMYK if you don't know
-                  which to go for initially.
+                  separately halftoned, before finally being recombined back
+                  to an RGB image. In <emphasis>Intensity</emphasis> mode,
+                  the image is internally converted to grayscale, halftoned,
+                  then the result used as the alpha channel for the input
+                  image. This is good for special effects, but requires a
+                  little experimentation to achieve best results.  Hint: try
+                  CMYK if you don't know which to go for initially.
                 </para>
               </listitem>
             </varlistentry>
             <varlistentry>
-              <term>Black Pullout (%)</term>
+              <term>Black pullout (%)</term>
               <listitem>
-                <para><guilabel>Black Pullout (%)</guilabel> When doing
-                  RGB-&gt;CMYK conversion, how much K (black) should be used?
+                <para>
+                  When doing RGB-&gt;CMYK conversion, how much K (black)
+                  should be used?
                 </para>
               </listitem>
             </varlistentry>
             <varlistentry>
-              <term>Lock Channels</term>
+              <term>Lock channels</term>
               <listitem>
-                <para><guilabel>Lock Channels</guilabel>: Make channel
-                  modifications apply to all channels.
+                <para>
+                  Make channel modifications apply to all channels.
                 </para>
               </listitem>
             </varlistentry>
             <varlistentry>
               <term>Factory Defaults</term>
               <listitem>
-                <para><guilabel>Factory Defaults</guilabel>: Restore the
-                  default settings which should give pleasing results.
+                <para>
+                  Restore the default settings which should give pleasing
+                  results.
                 </para>
               </listitem>
             </varlistentry>
             <varlistentry>
               <term>Angle</term>
               <listitem>
-                <para><guilabel>Angle</guilabel>: Cell grid angle for this
-                  channel.
-                </para>
+                <para>Cell grid angle for this channel.</para>
               </listitem>
             </varlistentry>
             <varlistentry>
-              <term>Spot Function</term>
+              <term>Spot function</term>
               <listitem>
-                <para><guilabel>Spot Function</guilabel>: Spot function to
-                  be used for this channel (see preview in blue cell-boxes).
+                <para>
+                  Spot function to be used for this channel (see preview in
+                  blue cell-boxes).
                 </para>
               </listitem>
             </varlistentry>
@@ -238,10 +239,10 @@
             <varlistentry>
               <term>Oversample</term>
               <listitem>
-                <para><guilabel>Oversample</guilabel>: Number of subpixels to
-                  sample to produce each output pixel.  Set to 1 to disable
-                  this feature.  Warning: large numbers here will lead to
-                  very long filter runtimes!
+                <para>
+                  Number of subpixels to sample to produce each output pixel.
+                  Set to 1 to disable this feature. Warning: large numbers
+                  here will lead to very long filter runtimes!
                 </para>
               </listitem>
             </varlistentry>
diff --git a/src/filters/distort/pagecurl.xml b/src/filters/distort/pagecurl.xml
index afe8eb4..c89c6f7 100644
--- a/src/filters/distort/pagecurl.xml
+++ b/src/filters/distort/pagecurl.xml
@@ -94,7 +94,7 @@
         </listitem>
       </varlistentry>
       <varlistentry>
-        <term>Shadow under curl</term>
+        <term>Shade under curl</term>
         <listitem>
           <para>
             This is the shadow inside the cornet.
@@ -102,15 +102,17 @@
         </listitem>
       </varlistentry>
       <varlistentry>
-        <term>Use current gradient instead of FG/FB-color</term>
+        <term>Foreground / background colors</term>
+        <term>Current gradient</term>
+        <term>Current gradient (reversed)</term>
         <listitem>
           <para>
-            This color refers to the outer face of the cornet.
+            This option refers to the outer face of the cornet.
           </para>
         </listitem>
       </varlistentry>
       <varlistentry>
-        <term>Curl Opacity</term>
+        <term>Opacity</term>
         <listitem>
           <para>
             Refers to the visibility of the layer part underlying the cornet.
diff --git a/src/filters/distort/polarcoords.xml b/src/filters/distort/polarcoords.xml
index 7e8b43f..8b3640d 100644
--- a/src/filters/distort/polarcoords.xml
+++ b/src/filters/distort/polarcoords.xml
@@ -81,7 +81,7 @@
         </listitem>
       </varlistentry>
       <varlistentry>
-        <term>Circle Depth in Percent</term>
+        <term>Circle depth in percent</term>
         <listitem>
           <para>
             Slider and input box allow you to set the "circularity" of the
@@ -90,7 +90,7 @@
         </listitem>
       </varlistentry>
       <varlistentry>
-        <term>Offset Angle</term>
+        <term>Offset angle</term>
         <listitem>
           <para>
             This option controls the angle the drawing will start from
@@ -99,7 +99,7 @@
         </listitem>
       </varlistentry>
       <varlistentry>
-        <term>Map Backwards</term>
+        <term>Map backwards</term>
         <listitem>
           <para>
             When this option is checked, the drawing will start from the
@@ -108,7 +108,7 @@
         </listitem>
       </varlistentry>
       <varlistentry>
-        <term>Map from Top</term>
+        <term>Map from top</term>
         <listitem>
           <para>
             If unchecked, the mapping will put the bottom row in the middle
@@ -118,7 +118,7 @@
         </listitem>
       </varlistentry>
       <varlistentry>
-        <term>To Polar</term>
+        <term>To polar</term>
         <listitem>
           <para>
             If unchecked, the image will be circularly mapped into a rectangle
diff --git a/src/filters/distort/ripple.xml b/src/filters/distort/ripple.xml
index ac9b117..1d02bd6 100644
--- a/src/filters/distort/ripple.xml
+++ b/src/filters/distort/ripple.xml
@@ -86,7 +86,7 @@
         <listitem>
           <variablelist>
             <varlistentry>
-              <term>Antialiasing</term>
+              <term><guilabel>Antialiasing</guilabel></term>
               <listitem>
                 <para>
                   This improves the scaled look the image borders may have.
@@ -94,7 +94,7 @@
               </listitem>
             </varlistentry>
             <varlistentry>
-              <term>Retain Tileability</term>
+              <term><guilabel>Retain tileability</guilabel></term>
               <listitem>
                 <para>
                   This preserves the seamless properties if your image is a tile pattern.
@@ -150,7 +150,7 @@
         <term>Wave Type</term>
         <listitem>
           <para>
-            These options are self-explanatory
+            Choose how the wave should look like:
           </para>
           <itemizedlist>
             <listitem>
diff --git a/src/filters/distort/shift.xml b/src/filters/distort/shift.xml
index a23384d..1535a27 100644
--- a/src/filters/distort/shift.xml
+++ b/src/filters/distort/shift.xml
@@ -81,16 +81,14 @@
         </listitem>
       </varlistentry>
       <varlistentry>
-        <term>These options are self-explanatory:</term>
+        <term>Shift horizontally</term>
+        <term>Shift vertically</term>
         <listitem>
           <para>
-            <guilabel>Shift Horizontally</guilabel>
+            This option sets the dimension where pixels are moved.
           </para>
           <para>
-            <guilabel>Shift vertically</guilabel>
-          </para>
-          <para>
-            <guilabel>Shift Amount</guilabel>
+            Pixels going out one side will come back on the other side.
           </para>
         </listitem>
       </varlistentry>
diff --git a/src/filters/distort/video.xml b/src/filters/distort/video.xml
index e1c84fe..aff76d0 100644
--- a/src/filters/distort/video.xml
+++ b/src/filters/distort/video.xml
@@ -79,7 +79,7 @@
         </listitem>
       </varlistentry>
       <varlistentry>
-        <term>RGB Pattern Type</term>
+        <term>Video Pattern</term>
         <listitem>
           <para>
             It would be rather difficult to describe what each pattern
diff --git a/src/filters/distort/vpropagate.xml b/src/filters/distort/vpropagate.xml
index 34ee80c..37bc043 100644
--- a/src/filters/distort/vpropagate.xml
+++ b/src/filters/distort/vpropagate.xml
@@ -312,7 +312,11 @@
               </listitem>
             </varlistentry>
             <varlistentry>
-              <term>Propagating direction</term>
+              <!--Propagating direction-->
+              <term>To left</term>
+              <term>To top</term>
+              <term>To right</term>
+              <term>To bottom</term>
               <listitem>
                 <para>
                   You can select one or more directions.
diff --git a/src/filters/distort/waves.xml b/src/filters/distort/waves.xml
index c890068..86666c5 100644
--- a/src/filters/distort/waves.xml
+++ b/src/filters/distort/waves.xml
@@ -71,64 +71,59 @@
           <para>
             All your setting changes will appear in the Preview without
             affecting the image until you click on <guilabel>OK</guilabel>.
-            Don't keep <emphasis>Do Preview</emphasis> checked if your
-            computer is too much slow.
+            Don't keep <guilabel>Preview</guilabel> checked if your computer
+            is too slow.
           </para>
         </listitem>
       </varlistentry>
       <varlistentry>
-        <term>Modes</term>
+        <term>Mode</term>
         <listitem>
-          <itemizedlist>
-            <listitem>
-              <para>
-                <guilabel>Smear</guilabel>: Because of the waves, areas are
-                rendered empty on sides. The adjacent pixels will spread to
-                fill them.
-              </para>
+          <variablelist>
+            <varlistentry>
+              <term><guilabel>Smear</guilabel></term>
+              <listitem>
+                <para>
+                  Because of the waves, areas are rendered empty on sides. The
+                  adjacent pixels will spread to fill them.
+                </para>
+              </listitem>
+            </varlistentry>
+            <varlistentry>
+              <term><guilabel>Blacken</guilabel></term>
+              <listitem>
+                <para>
+                  The empty areas will be filled by black color.
+                </para>
             </listitem>
-            <listitem>
-              <para>
-                <guilabel>Blacken</guilabel>: The empty areas will be filled
-                by black color.
-              </para>
-            </listitem>
-          </itemizedlist>
+            </varlistentry>
+          </variablelist>
         </listitem>
       </varlistentry>
       <varlistentry>
         <term>Reflective</term>
         <listitem>
           <para>
-            <guilabel>Reflective</guilabel>: Waves bounce on sides and
-            interfere with the arriving ones.
+            Waves bounce on sides and interfere with the arriving ones.
           </para>
         </listitem>
       </varlistentry>
       <varlistentry>
         <term>Amplitude</term>
         <listitem>
-          <para>
-            <guilabel>Amplitude</guilabel>: Varies the height of waves.
-          </para>
+          <para>Varies the height of waves.</para>
         </listitem>
       </varlistentry>
       <varlistentry>
         <term>Phase</term>
         <listitem>
-          <para>
-            <guilabel>Phase</guilabel>: This command shifts the top of
-            waves.
-          </para>
+          <para>This command shifts the top of waves.</para>
         </listitem>
       </varlistentry>
       <varlistentry>
         <term>Wavelength</term>
         <listitem>
-          <para>
-            <guilabel>Wavelength</guilabel>: Varies the distance between
-            the top of waves.
-          </para>
+          <para>Varies the distance between the top of waves.</para>
         </listitem>
       </varlistentry>
     </variablelist>
diff --git a/src/filters/distort/whirlpinch.xml b/src/filters/distort/whirlpinch.xml
index b905326..3efcedf 100644
--- a/src/filters/distort/whirlpinch.xml
+++ b/src/filters/distort/whirlpinch.xml
@@ -45,8 +45,9 @@
       <quote>Whirl and Pinch</quote> distorts your image in a concentric way.
     </para>
     <para>
-      <quote>Whirl and Pinch</quote> distorts the image much like the little
-      whirlpool that appears when you empty your bath.
+      <quote>Whirl</quote> (applying a non-zero
+      <guilabel>Whirl&nbsp;angle</guilabel>) distorts the image much like the
+      little whirlpool that appears when you empty your bath.
     </para>
     <para>
       <quote>Pinch</quote>, with a nil rotation, can be compared to
@@ -132,22 +133,20 @@
         </listitem>
       </varlistentry>
       <varlistentry>
-        <term>Whirl Angle</term>
+        <term>Whirl angle</term>
         <listitem>
           <para>
-            <guilabel>Whirl Angle</guilabel>: Clockwise or counter
-            clockwise (-360 to +360). Controls how many degrees the
-            affected part of the image is rotated.
+            Clockwise or counter clockwise (-360 to +360). Controls how many
+            degrees the affected part of the image is rotated.
           </para>
         </listitem>
       </varlistentry>
       <varlistentry>
-        <term>Pinch Amount</term>
+        <term>Pinch amount</term>
         <listitem>
           <para>
-            <guilabel>Pinch Amount</guilabel>: Whirlpool depth(-1 to
-            +1). Determines how strongly the affected part of the
-            image is pinched.
+            Whirlpool depth(-1 to +1). Determines how strongly the affected
+            part of the image is pinched.
           </para>
         </listitem>
       </varlistentry>
@@ -155,15 +154,13 @@
         <term>Radius</term>
         <listitem>
           <para>
-            <guilabel>Radius</guilabel>: Whirlpool width (0.0-2.0).
-            Determines how much of the image is affected by the
-            distortion.  If you set <parameter>Radius</parameter> to
-            2, the entire image will be affected. If you set
-            <parameter>Radius</parameter> to 1, half the image will
-            be affected. If <parameter>Radius</parameter> is set to 0,
-            nothing will be
-            affected (think of it as the radius in a circle with 0 in
-            the center and 1 halfway out).
+            Whirlpool width (0.0-2.0). Determines how much of the image is
+            affected by the distortion. If you set
+            <parameter>Radius</parameter> to 2, the entire image will be
+            affected. If you set <parameter>Radius</parameter> to 1, half the
+            image will be affected. If <parameter>Radius</parameter> is set to
+            0, nothing will be affected (think of it as the radius in a circle
+            with 0 in the center and 1 halfway out).
           </para>
         </listitem>
       </varlistentry>
diff --git a/src/filters/distort/wind.xml b/src/filters/distort/wind.xml
index fb4aecb..bf3bc07 100644
--- a/src/filters/distort/wind.xml
+++ b/src/filters/distort/wind.xml
@@ -115,83 +115,98 @@
       <varlistentry>
         <term>Style</term>
         <listitem>
-          <itemizedlist>
-            <listitem>
-              <para><guilabel>Wind</guilabel>: This option is the most
-                suggestive of a moving effect. Trails are thin.
-              </para>
-            </listitem>
-            <listitem>
-              <para><guilabel>Blast</guilabel>: This option tries to suggest a
-                blast due to an explosion. Trails are thick.
-              </para>
-              <mediaobject>
-                <imageobject>
-                  <imagedata fileref="images/filters/examples/blast1.png" format="PNG"/>
-                </imageobject>
-              </mediaobject>
-            </listitem>
-          </itemizedlist>
+          <variablelist>
+            <varlistentry>
+              <term><guilabel>Wind</guilabel></term>
+              <listitem>
+                <para>
+                  This option is the most suggestive of a moving effect.
+                  Trails are thin.
+                </para>
+              </listitem>
+            </varlistentry>
+            <varlistentry>
+              <term><guilabel>Blast</guilabel></term>
+              <listitem>
+                <para>
+                  This option tries to suggest a blast due to an explosion.
+                  Trails are thick.
+                </para>
+                <mediaobject>
+                  <imageobject>
+                    <imagedata format="PNG"
+                      fileref="images/filters/examples/blast1.png"/>
+                  </imageobject>
+                </mediaobject>
+              </listitem>
+            </varlistentry>
+          </variablelist>
         </listitem>
       </varlistentry>
       <varlistentry>
         <term>Direction</term>
         <listitem>
           <para>
-            You can select the direction, <emphasis>Left</emphasis> or
-            <emphasis>Right</emphasis>, from which the wind comes.
+            You can select the direction, <guilabel>Left</guilabel> or
+            <guilabel>Right</guilabel>, from which the wind comes.
           </para>
         </listitem>
       </varlistentry>
       <varlistentry>
         <term>Edge Affected</term>
         <listitem>
-          <itemizedlist>
-            <listitem>
-              <para>
-                <guilabel>Leading</guilabel>: Trails will start from the
-                front border, falling on the object itself. It suggests that
-                a violent wind is pulling color out.
-              </para>
-              <mediaobject>
-                <imageobject>
-                  <imagedata format="PNG"
-                    fileref="images/filters/examples/wind2.png"/>
-                </imageobject>
-              </mediaobject>
-            </listitem>
-            <listitem>
-              <para>
-                <guilabel>Trailing</guilabel>: Trails start from the back
-                border of the object.
-              </para>
-              <mediaobject>
-                <imageobject>
-                  <imagedata format="PNG"
-                    fileref="images/filters/examples/wind1.png"/>
-                </imageobject>
-              </mediaobject>
-            </listitem>
-            <listitem>
-              <para>
-                <guilabel>Both</guilabel>: Combines both effects.
-              </para>
-              <mediaobject>
-                <imageobject>
-                  <imagedata format="PNG"
-                    fileref="images/filters/examples/wind3.png"/>
-                </imageobject>
-              </mediaobject>
-            </listitem>
-          </itemizedlist>
+          <variablelist>
+            <varlistentry>
+              <term><guilabel>Leading</guilabel></term>
+              <listitem>
+                <para>
+                  Trails will start from the front border, falling on the
+                  object itself. It suggests that a violent wind is pulling
+                  color out.
+                </para>
+                <mediaobject>
+                  <imageobject>
+                    <imagedata format="PNG"
+                      fileref="images/filters/examples/wind2.png"/>
+                  </imageobject>
+                </mediaobject>
+              </listitem>
+            </varlistentry>
+            <varlistentry>
+              <term><guilabel>Trailing</guilabel></term>
+              <listitem>
+                <para>
+                  Trails start from the back border of the object.
+                </para>
+                <mediaobject>
+                  <imageobject>
+                    <imagedata format="PNG"
+                      fileref="images/filters/examples/wind1.png"/>
+                  </imageobject>
+                </mediaobject>
+              </listitem>
+            </varlistentry>
+            <varlistentry>
+              <term><guilabel>Both</guilabel></term>
+              <listitem>
+                <para>Combines both effects.</para>
+                <mediaobject>
+                  <imageobject>
+                    <imagedata format="PNG"
+                      fileref="images/filters/examples/wind3.png"/>
+                  </imageobject>
+                </mediaobject>
+              </listitem>
+            </varlistentry>
+          </variablelist>
         </listitem>
       </varlistentry>
       <varlistentry>
         <term>Threshold</term>
         <listitem>
           <para>
-            <guilabel>Threshold</guilabel>: The threshold to detect
-            borders. The higher it is, the fewer borders will be detected.
+            The threshold to detect borders. The higher it is, the fewer
+            borders will be detected.
           </para>
         </listitem>
       </varlistentry>
@@ -199,8 +214,7 @@
         <term>Strength</term>
         <listitem>
           <para>
-            <guilabel>Strength</guilabel>:  Higher values increase the
-            strength of the effect.
+            Higher values increase the strength of the effect.
           </para>
         </listitem>
       </varlistentry>



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