[gimp-help] Improve "Selection by" section: match tool's "Select by".

[Jacob Boerema <jboerema src gnome org>]

commit a354d6ac188a04f809180884198e61097476faf4
Author: skierpage <info skierpage com>
Date:   Sun Jul 11 13:16:22 2021 -0400

    Improve "Selection by" section: match tool's "Select by".
    
    Phrase it more like other options, list all choices in GIMP 2.10.
    Partially addresses issue #277.
    
    A change from the version for 2.10 is that Alpha here is the last item in
    the list.

 src/toolbox/selection/fuzzy.xml | 41 +++++++++++++++++++++++------------------
 1 file changed, 23 insertions(+), 18 deletions(-)
---
diff --git a/src/toolbox/selection/fuzzy.xml b/src/toolbox/selection/fuzzy.xml
index d4064d32c..3ce29e8e8 100644
--- a/src/toolbox/selection/fuzzy.xml
+++ b/src/toolbox/selection/fuzzy.xml
@@ -129,7 +129,7 @@
       And you can reduce the selection by dragging upwards or to the left.
     </para>
     <para>
-      You can move the selection outline using <keycap>Alt</keycap> + arrow 
+      You can move the selection outline using <keycap>Alt</keycap> + arrow
       keys.
     </para>
   </sect3>
@@ -201,9 +201,9 @@
               <term>Diagonal Neighbors</term>
               <listitem>
                 <para>
-                  When activated, the tool considers diagonally neighboring 
-                  pixels as connected when calculating the affected area. In 
-                  other words, instead of looking at the four orthogonal 
+                  When activated, the tool considers diagonally neighboring
+                  pixels as connected when calculating the affected area. In
+                  other words, instead of looking at the four orthogonal
                   neighbors of each pixel, it looks at all eight pixels
                 </para>
                 <figure>
@@ -269,7 +269,7 @@
                 </figure>
               </listitem>
             </varlistentry>
-                  
+
             <varlistentry>
               <term>Threshold</term>
               <listitem>
@@ -288,20 +288,25 @@
               </listitem>
             </varlistentry>
             <varlistentry>
-              <term>Selection by</term>
+              <term>Select by</term>
               <listitem>
                 <para>
-                  With this option you can choose which component of the image
-                  GIMP shall use to calculate the similarity.
+                  This option determines which component of the image
+                  GIMP uses to calculate the similarity in color.
                 </para>
                 <para>
-                  The components you can choose from are
+                  You can choose from
+                  <guimenuitem>Composite</guimenuitem>,
                   <guimenuitem>Red</guimenuitem>,
                   <guimenuitem>Green</guimenuitem>,
                   <guimenuitem>Blue</guimenuitem>,
-                  <guimenuitem>Hue</guimenuitem>,
-                  <guimenuitem>Saturation</guimenuitem> and
-                  <guimenuitem>Value</guimenuitem>.
+                  <guimenuitem>HSV Hue</guimenuitem>,
+                  <guimenuitem>HSV Saturation</guimenuitem>,
+                  <guimenuitem>HSV Value</guimenuitem>.
+                  <guimenuitem>LCh Lightness</guimenuitem>,
+                  <guimenuitem>LCh Chroma</guimenuitem>,
+                  <guimenuitem>LCh Hue</guimenuitem>, and
+                  <guimenuitem>Alpha</guimenuitem>.
                 </para>
               </listitem>
             </varlistentry>
@@ -309,11 +314,11 @@
               <term>Draw Mask</term>
               <listitem>
                 <para>
-                  This option is only an help for selection. Selected areas 
-                  marked with marching ants may not be evident when selecting 
-                  with Fuzzy select or Magic wand. If this option is checked, 
-                  selected areas will be filled with a magenta color as long as 
-                  you keep pressing on the mouse left button, and this mask 
+                  This option is only an help for selection. Selected areas
+                  marked with marching ants may not be evident when selecting
+                  with Fuzzy select or Magic wand. If this option is checked,
+                  selected areas will be filled with a magenta color as long as
+                  you keep pressing on the mouse left button, and this mask
                   will disappear as soon as you release this button.
                 </para>
 
@@ -337,7 +342,7 @@
                     </imageobject>
                     <caption>
                       <para>
-                        Fuzzy Select used with Draw Mask option checked, left 
+                        Fuzzy Select used with Draw Mask option checked, left
                         mouse button not released yet.
                       </para>
                     </caption>