[gimp-help] layer-groups.xml: Cleans up English and other edits.

[Jacob Boerema <jboerema src gnome org>]

commit a71576f96fdbfc0d73629c908c110605791334ed
Author: SilverWoodchuck47 <silverwoodchuck47 yahoo com>
Date:   Fri Aug 20 17:09:42 2021 +0000

    layer-groups.xml: Cleans up English and other edits.

 src/concepts/layer-groups.xml | 78 +++++++++++++++++++++++--------------------
 1 file changed, 42 insertions(+), 36 deletions(-)
---
diff --git a/src/concepts/layer-groups.xml b/src/concepts/layer-groups.xml
index 1b790b7bf..0c3466568 100644
--- a/src/concepts/layer-groups.xml
+++ b/src/concepts/layer-groups.xml
@@ -21,7 +21,7 @@
   </indexterm>
 
   <para>
-    This possibility appeared with <acronym>GIMP-2.8</acronym>.
+    Layer Groups are available in <acronym>GIMP</acronym> 2.8 and newer.
   </para>
 
   <para>
@@ -41,9 +41,9 @@
       <term>Create a Layer Group</term>
       <listitem>
         <para>
-          You can create a layer group by clicking on the
-          <guibutton>Create a new layer group</guibutton><guiicon></guiicon>
-          button at the bottom of the layer dialog,
+          You can create a layer group by clicking the
+          <guibutton>New Layer Group</guibutton>
+          button at the bottom of the layers dialog,
         </para>
         <para>
           through
@@ -51,19 +51,20 @@
             <guimenu>Layer</guimenu>
             <guimenuitem>New Layer Group</guimenuitem>
           </menuchoice>,
-          or through the layer dialog context menu.
+          or through the Layers dialog context menu.
         </para>
         <para>
           This empty layer group appears just above the current layer. It is
-          important to give it an evocative name (double-click or
-          <keycap>F2</keycap> on the name, or use <command>Edit Layer
-          Attributes</command> in the context menu you get by right clicking the
-          Layer dialog, to edit it), else you will get confused when several
-          ones are created.
+          recommended to give it a name that is descriptive.  To change
+          the layer group name, double-click the name, or press 
+          <keycap>F2</keycap> the name, or right-click it and then select
+          the <command>Edit Layer Attributes</command> in the context menu.
+          If you don't rename your layer groups, you will get confused when several 
+          are created with names such as Layer Group #1, Layer Group #2, etc.
         </para>
         <para>
           You can create several layer groups and you can
-          <emphasis role= "bold">embbed</emphasis> them, that is include a
+          <emphasis role="bold">embed</emphasis> them, that is include a
           layer group in another one.
         </para>
       </listitem>
@@ -89,13 +90,14 @@
         <para>
           To add a <emphasis>new layer</emphasis> to the current layer
           group,
-          click on the <guibutton>Create a new layer</guibutton> at the
-          bottom of the layer dialog, or use the
-          <guimenuitem>New Layer</guimenuitem> command in the image menu.
+          click the <guibutton>New Layer...</guibutton> at the
+          bottom of the Layers dialog, or use the
+          <guimenuitem>New Layer</guimenuitem> command in the image menu
+          or press <keycombo><keycap>Shift</keycap><keycap>Ctrl</keycap><keycap>N</keycap></keycombo>.
         </para>
         <para>
           When a layer group is not empty, a small <quote>></quote> icon
-          appears. By clicking on it, you can fold/unfold the layer list.
+          appears. By clicking it, you can fold or unfold the layer list.
           <mediaobject>
             <imageobject>
               <imagedata format="PNG"
@@ -134,9 +136,10 @@
       <term>Raise and Lower Layer Groups</term>
       <listitem>
         <para>
-          You can raise and lower layer groups in the layer dialog as you do
-          with normal layers: click-and-dragging, using arrow up and down
-          keys at the bottom of the layer dialog.
+          You can raise and lower layer groups in the Layer dialog as you do
+          with normal layers: click-and-dragging, and by using 
+          <keycap>up arrow</keycap> and <keycap>down arrow</keycap>
+          keys at the bottom of the Layer dialog.
         </para>
       </listitem>
     </varlistentry>
@@ -145,7 +148,7 @@
       <term>Duplicate a Layer Group</term>
       <listitem>
         <para>
-          You can duplicate a layer group: click on the
+          To duplicate a layer group, click the
           <guibutton>Create a duplicate of the layer</guibutton> button or
           right-click and select the <command>Duplicate Layer</command>
           command in the pop up context menu.
@@ -159,15 +162,16 @@
         <para>
           You can <emphasis role="bold">move a layer group to another image
           </emphasis> by click-and-dragging.
-          You can also copy-paste it using Ctrl-C and Ctrl-V: then, you get
+          You can also copy-paste it using <keycombo><keycap>Ctrl</keycap><keycap>C</keycap></keycombo>
+          and <keycombo><keycap>Ctrl</keycap><keycap>V</keycap></keycombo>: then, you get
           a floating selection that you must anchor (anchor button at the
-          bottom of the layer dialog).
+          bottom of the Layer dialog).
         </para>
         <para>
           You can also <emphasis role="bold">move a layer group to the
           canvas</emphasis>: this duplicates the group <emphasis>in</emphasis>
-          the group. Chain all layers in the duplicated layer group, activate
-          the Move tool, then, in the image, move the layer. That's a way to
+          the group. Chain all layers in the duplicated layer group, select
+          the Move tool, then, in the image, move the layer. That's one way to
           multiply multi-layer objects in an image.
         </para>
       </listitem>
@@ -177,8 +181,9 @@
       <term>Delete a Layer Group</term>
       <listitem>
         <para>
-          To delete a layer group, click on the red cross button at the
-          bottom of the layer dialog or right-click and select <command>
+          To delete a layer group, click the <guibutton>red cross</guibutton>
+          button at the
+          bottom of the Layer dialog or right-click and select <command>
           Delete layer</command>.
         </para>
       </listitem>
@@ -225,7 +230,7 @@
             <caption>
               <para>
                 We added a white layer <emphasis>in</emphasis> the layer group
-                with saturation mode: only square and triangle are grayed out.
+                with saturation mode: only square and triangle are disabled.
               </para>
             </caption>
           </mediaobject>
@@ -237,15 +242,15 @@
             <caption>
               <para>
                 We added a white layer <emphasis>out</emphasis> of the layer
-                group with saturation mode: all layers underneath are grayed
-                out, background layer also.
+                group with saturation mode: all layers underneath are disabled, 
+                including the background layer.
               </para>
             </caption>
           </mediaobject>
         </figure>
         
         <para>
-          Since GIMP-2.10, layer groups have a special layer mode: the 
+          With <acronym>GIMP</acronym> 2.10 and newer, layer groups have a special layer mode: the 
           <guilabel>Pass Through</guilabel> mode. This mode exists only if a 
           layer group is active.
         </para>
@@ -282,7 +287,7 @@
       <term>Layer Mask</term>
       <listitem>
         <para>
-                                       Since GIMP-2.10, masks on layer groups are possible. They work 
similarly to 
+                                       With <acronym>GIMP</acronym> 2.10 and newer, masks on layer groups 
are possible. They work similarly to 
                                        ordinary-layer masks, with the following considerations.
                                </para>
                                <para>
@@ -310,10 +315,10 @@
       <listitem>
         <para>
           When working with a lot of layers, finding a particular layer in the 
-          list may be difficult. With GIMP-2.10.10, a new 
-          <emphasis>on-canvas layer selection</emphasis> function appeared. 
-          <keycombo><keycap>Alt</keycap><keycap>Middle click</keycap>
-          </keycombo> on the image element you want to find the layer this 
+          list may be difficult. With <acronym>GIMP</acronym> 2.10.10 and newer, a new 
+          <emphasis>on-canvas layer selection</emphasis> function is available. 
+          <keycombo><keycap>Alt</keycap><mousebutton>middle click</mousebutton>
+          </keycombo> the image element you want to find the layer this 
           element belongs to: the available layers will be looped through to 
           show the new active layer and the layer name will be temporarily 
           displayed in the status bar.
@@ -324,8 +329,9 @@
       <term>Layer preview</term>
       <listitem>
         <para>
-          There has been problems with drawable preview rendering in case of 
-          many layers in a large image. This is fixed now, except for layer 
+          There were problems with drawable preview rendering in the case of a 
+          large image consisting of many layers. This problem is fixed with
+          <acronym>GIMP</acronym> 2.10.10 and newer, except for layer 
           groups. You can disable rendering layer group previews in 
           <menuchoice>
             <guimenu>Edit</guimenu>