Git commit c7399dd27baa49a45703639bdde6c225a1b4a982 by Luigi Toscano, on behalf 
of Antoni Bella Pérez.
Committed on 12/07/2021 at 08:31.
Pushed by ltoscano into branch 'release/21.08'.

Documentation updates

* Remove final whitespaces
* Update date and version numbers
* Suitable tags and menu item added
* Improve sentences and punctuation
* Unify to 'marble' (Note: it may be necessary to explain that other themes 
change this item)

(cherry picked from commit 1ec0ecd76564ec59dc45a5e7778208572c3cda41)

M  +62   -54   doc/index.docbook

https://invent.kde.org/games/klines/commit/c7399dd27baa49a45703639bdde6c225a1b4a982

diff --git a/doc/index.docbook b/doc/index.docbook
index 5a43905..cd9f091 100644
--- a/doc/index.docbook
+++ b/doc/index.docbook
@@ -4,7 +4,7 @@
   <!ENTITY % English "INCLUDE" > <!-- change language only here -->
   <!ENTITY % addindex "IGNORE"> <!-- do not change this! -->
 ]>
- 
+
 <book id="klines" lang="&language;"> <!-- do not change this! -->
 <bookinfo>
        <title>The &kolorlines; Handbook</title> <!-- This is the title of the 
docbook. Leave as is unless change is necessary.-->
@@ -33,26 +33,26 @@
 <holder>&Roman.Merzlyakov;</holder>
 </copyright>
 <legalnotice>&FDLNotice;</legalnotice>
- 
-<date>2016-05-10</date>
-<releaseinfo>1.6 (Applications 16.04)</releaseinfo>
- 
+
+<date>2021-07-11</date>
+<releaseinfo>1.6 (KDE Gear 21.04)</releaseinfo>
+
 <!--Short description of this document. Do not change unless necessary!-->
 <abstract>
        <para>This documentation describes the game of &kolorlines; version 
1.6</para>
 </abstract>
- 
+
 <!--List of relevant keywords-->
 <keywordset>
        <keyword>KDE</keyword> <!-- do not change this! -->
        <keyword>kdegames</keyword> <!-- do not change this! -->
        <keyword>game</keyword> <!-- do not change this! -->
-       <keyword>Kolorlines</keyword><!--Application name goes here-->
+       <keyword>Kolor Lines</keyword><!--Application name goes here-->
 <!-- Game genre. Use as many as necessary. Available game types are: Arcade, 
Board, Card, Dice, Toys, Logic, Strategy.-->
        <keyword>arcade</keyword>
-       <keyword>colors</keyword>
        <keyword>color lines</keyword>
        <keyword>color</keyword>
+       <keyword>colors</keyword>
 <!--Number of possible players. It can be: One, Two,..., Multiplayer-->
        <keyword>one player</keyword>
 </keywordset>
@@ -62,54 +62,54 @@
        <note><title>Gametype:</title><para>Arcade</para></note><!-- Game 
genre. Use as many as necessary. Available game types are: Arcade, Board, Card, 
Dice, Toys, Logic, Strategy.-->
        <note><title>Number of possible 
players:</title><para>One</para></note><!--Number of possible players. It can 
be: One, Two,..., Multiplayer-->
        <para>&kolorlines; is a simple but highly addictive, one player game by 
&kde;. &kolorlines; has been inspired by well known game of <application>Color 
Lines</application>, written for <application>DOS</application>, by Olga 
Demina, Igor Ivkin and Gennady Denisov back in 1992.</para>
-       <para>The goal of &kolorlines; is quite plain. The player has to move 
the colored balls around the game board, gathering them into the lines of the 
same color by five. Once the line is complete it is removed from the board, 
therefore freeing precious space. In the same time the new balls keep arriving 
by three after each move, filling up the game board.</para>
-       <para>&kolorlines; cannot be won, and is played against the high score 
exclusively. The game ends once the whole game board is filled up with 
balls.</para>
+       <para>The goal of &kolorlines; is quite plain. The player has to move 
the colored marbres around the game board, gathering them into the lines of the 
same color by five. Once the line is complete it is removed from the board, 
therefore freeing precious space. In the same time the new marbres keep 
arriving by three after each move, filling up the game board.</para>
+       <para>&kolorlines; cannot be won, and is played exclusively to get a 
high score. The game ends once the whole game board is filled up with 
marbres.</para>
 </chapter>
- 
+
 <chapter id="howto"><title>How to Play</title> <!-- do not change this! -->
 <!--IMPORTANT: If the game has no defined objective, please remove the below 
line.-->
-       <note><title>Objective:</title><para>Move the colored balls around the 
game board, gathering them into the lines of the same color by 
five.</para></note><!--Describe the objective of the game.-->
+       <note><title>Objective:</title><para>Move the colored marbres around 
the game board, gathering them into the lines of the same color by 
five.</para></note><!--Describe the objective of the game.-->
 <!--How to play description. Don't be to specific on rules as they have a 
separate section in this document-->
-       <para>  When &kolorlines; starts you are presented with the game board 
split into 81 squares (the game board is 9x9 squares), and right away three new 
colored balls appear on the board. Use your mouse to move the balls from cell 
to cell to group them into the lines of the same color. However, after each of 
your moves the computer drops three more marbles onto the board. To avoid 
filling up the board you should gather the balls into lines of 5 or more balls. 
When such a line is complete, the balls are removed from the field and your 
score grows.</para>
-       <note><title>Note:</title><para>The new balls will not be added to the 
field after a line removal. Instead you will be rewarded with yet another move 
before a new triplet of balls is added.</para></note>
-       <para>The increase in score depends solely on the amount of the erased 
balls.</para>
+       <para>  When &kolorlines; starts you are presented with the game board 
split into 81 squares (the game board is 9x9 squares), and right away three new 
colored marbres appear on the board. Use your mouse to move the marbres from 
cell to cell to group them into the lines of the same color. However, after 
each of your moves the computer drops three more marbres onto the board. To 
avoid filling up the board you should gather the marbres into lines of 5 or 
more marbres. When such a line is complete, the marbres are removed from the 
field and your score grows.</para>
+       <note><title>Note:</title><para>The new marbres will not be added to 
the field after a line removal. Instead you will be rewarded with yet another 
move before a new triplet of marbres is added.</para></note>
+       <para>The increase in score depends solely on the amount of the erased 
marbres.</para>
        <note><title>Note:</title><para>If you are playing with 
<guimenuitem>Show Next</guimenuitem> feature enabled the increase in score is 
less than if  <guimenuitem>Show Next</guimenuitem> feature is 
disabled.</para></note>
-       <para>&kolorlines; cannot be won, and is played against the high score 
exclusively. The game ends once the whole game board becomes filled up with 
balls.</para>
+       <para>&kolorlines; cannot be won, and is played exclusively to get a 
high score. The game ends once the whole game board becomes filled up with 
marbres.</para>
 </chapter>
- 
+
 <chapter id="rules_and_tips"><title>Game Rules, Strategies and Tips</title> 
<!-- do not change this! -->
        <!--This section has to do with game rules. Please give a detailed 
description of those using lists or paragraphs.-->
        <sect1 id="rules">
                <title>Game Rules</title>
                        <itemizedlist>
-                               <listitem><para>After each player’s move the 
game will add three more balls to the board.</para></listitem>
-                               <listitem><para>To free up the space on the 
board player has to group the balls of the same color into an uninterrupted 
horizontal, vertical, or diagonal line by five or more.</para></listitem>
-                               <listitem><para>To initiate the move simply 
click on the source ball to select it, then click on the destination square to 
complete the move.</para></listitem>
-                               <listitem><para>A ball can only be moved into 
the squares that are vacant and not occupied by any other 
ball.</para></listitem>
-                               <listitem><para>In the same time the square in 
question must be freely accessible.</para></listitem>
-                               <listitem><para>The square is freely accessible 
when there are no other balls blocking the path to it.</para></listitem>
-                               <listitem><para>The path is considered blocked 
if any part of it is currently being occupied by a ball.</para></listitem>
+                               <listitem><para>After each player’s move the 
game will add three more marbres to the board.</para></listitem>
+                               <listitem><para>To free up the space on the 
board player has to group the marbres of the same color into an uninterrupted 
horizontal, vertical, or diagonal line by five or more.</para></listitem>
+                               <listitem><para>To initiate the move, simply 
click on the source marbre to select it, then click on the destination square 
to complete the move.</para></listitem>
+                               <listitem><para>A marbre can only be moved into 
the squares that are vacant and not occupied by any other 
marbre.</para></listitem>
+                               <listitem><para>In the same way, the square in 
question must be freely accessible.</para></listitem>
+                               <listitem><para>The square is freely accessible 
when there are no other marbres blocking the path to it.</para></listitem>
+                               <listitem><para>The path is considered blocked 
if any part of it is currently being occupied by a marbre.</para></listitem>
                        </itemizedlist>
-                       <note><title>Note:</title><para>In &kolorlines; the 
path is automatically calculated by the game. If there is no possible (open) 
route to the destination cell, a friendly notification will be 
displayed.</para></note>
+                       <note><title>Note:</title><para>In &kolorlines;, the 
path is automatically calculated by the game. If there is no possible (open) 
route to the destination cell, a friendly notification will be 
displayed.</para></note>
                        <itemizedlist>
-                               <listitem><para>In order to successfully 
transfer a ball to a desired cell where the path is blocked to, player has to 
clear the path first.</para></listitem>
-                               <listitem><para>To clear the path the player 
simply has to move all the blocking balls out of the way, therefore freeing the 
route.</para></listitem>
-                               <listitem><para>The scores are awarded for each 
line of balls removed off the game board.</para></listitem>
+                               <listitem><para>In order to successfully 
transfer a marbre to a desired cell where the path is blocked to, player has to 
clear the path first.</para></listitem>
+                               <listitem><para>To clear the path the player 
simply has to move all the blocking marbres out of the way, therefore freeing 
the route.</para></listitem>
+                               <listitem><para>The scores are awarded for each 
line of marbres removed off the game board.</para></listitem>
                        </itemizedlist>
                        <note><title>Note:</title><para>If you are playing with 
<guimenuitem>Show Next</guimenuitem> feature enabled the increase in score is 
less than if <guimenuitem>Show Next</guimenuitem> feature is 
disabled.</para></note>
        </sect1>
        <sect1 id="strategies">
                <title>Strategies and Tips</title>
                        <itemizedlist>
-                               <listitem><para>Keep a close look on the bar 
showing the next three marbles to be dropped onto the field (unless 
<guimenuitem>Show Next</guimenuitem> feature is disabled). More often then not 
you will appreciate the information if provides.</para></listitem>
-                               <listitem><para>Try to keep at least a half of 
the game board cleared. Letting the balls to pile up will almost certainly lead 
to a loss.</para></listitem>
-                               <listitem><para>To make your game easier always 
keep more than one line of the same balls ready for clearing. This can be 
achieved by building the consecutive lines of the same balls everywhere 
possible, instead of concentrating on one line at a time.</para></listitem>
-                               <listitem><para>Try to keep more than three 
almost completed lines existing on the game board at all times. Almost 
completed means that they are four same balls in length, and only one ball 
remains until their completion.</para></listitem>
+                               <listitem><para>Keep a close look on the bar 
showing the next three marbres to be dropped onto the field (unless 
<guimenuitem>Show Next</guimenuitem> feature is disabled). More often then not 
you will appreciate the information if provides.</para></listitem>
+                               <listitem><para>Try to keep at least a half of 
the game board cleared. Letting the marbres to pile up will almost certainly 
lead to a loss.</para></listitem>
+                               <listitem><para>To make your game easier, 
always keep more than one line of the same marbres ready for remove. This can 
be achieved by building the consecutive lines of the same marbres everywhere 
possible, instead of concentrating on one line at a time.</para></listitem>
+                               <listitem><para>Try to keep more than three 
almost completed lines existing on the game board at all times. Almost 
completed means that they are four same marbres in length, and only one marbre 
remains until their completion.</para></listitem>
                        </itemizedlist>
-                       <note><title>Example:</title><para>If you have an 
almost completed line and the pathway to it suddenly becomes blocked with 
another ball, don’t just move that ball. Try to find a sequence of the balls of 
the same kind that you can continue with the moved ball. If such sequence 
exists and is accessible – then move the blocking ball there.</para></note>
+                       <note><title>Example:</title><para>If you have an 
almost completed line and the pathway to it suddenly becomes blocked with 
another marbre, don’t just move that marbre. Try to find a sequence of the 
marbres of the same kind that you can continue with the moved marbre. If such 
sequence exists and is accessible – then move the blocking marbre 
there.</para></note>
        </sect1>
 </chapter>
-  
+
 <chapter id="interface"><title>Interface Overview</title> <!-- do not change 
this! -->
 <!-- This section has to do with menubar. Describe every single entry in 
order. Use <variablelist> and <varlistentry>. Split the chapter into sections 
using <sect1(2,3)> for better viewing.-->
 <sect1 id="klines-mainwindow">
@@ -123,10 +123,10 @@
                                        
<textobject><phrase>Screenshot</phrase></textobject>
                                </mediaobject>
                        </screenshot>
-<para>On the very top of the game window there are located the menubar and the 
toolbar. 
-In the center of the screen there is a large square area filled with marbles 
called - the game board.
-On the right hand side there located a bar showing the next three marbles to 
be dropped onto the field (unless <guimenuitem>Show Next</guimenuitem> feature 
is disabled).
-Underneath the field there is the status bar.</para>
+<para>On the very top of the game window there are located the menubar and the 
toolbar.
+In the center of the screen there is a large square area filled with marbres 
called the game board.
+On the right hand side there located a bar showing the next three marbres to 
be dropped onto the field (unless <guimenuitem>Show Next</guimenuitem> feature 
is disabled).
+Below the playing field there is the status bar.</para>
 </sect1>
 <sect1 id="menu-items">
        <title>Menu Items</title>
@@ -137,15 +137,23 @@ Underneath the field there is the status bar.</para>
                                <guimenu>Game</guimenu>
                                <guimenuitem>New</guimenuitem>
                        </menuchoice></term>
-                       <listitem><para><action>Starts a new 
game</action></para></listitem>
+                       <listitem><para><action>Starts a new 
game.</action></para></listitem>
+               </varlistentry>
+               <varlistentry id="menu-game-end">
+                       <term><menuchoice>
+                               <shortcut><keycombo 
action="simul">&Ctrl;&End;</keycombo></shortcut>
+                               <guimenu>Game</guimenu>
+                               <guimenuitem>End Game</guimenuitem>
+                       </menuchoice></term>
+                       <listitem><para><action>Ends a running 
game.</action></para></listitem>
                </varlistentry>
                <varlistentry id="menu-game-highscore">
                        <term><menuchoice>
                                <shortcut><keycombo 
action="simul">&Ctrl;<keycap>H</keycap></keycombo></shortcut>
                                <guimenu>Game</guimenu>
-                               <guimenuitem>Show High Scores</guimenuitem>
+                               <guimenuitem>Show High Scores...</guimenuitem>
                        </menuchoice></term>
-                       <listitem><para><action>Displays the high score 
table</action></para></listitem>
+                       <listitem><para><action>Displays the high score 
table.</action></para></listitem>
                </varlistentry>
                <varlistentry>
                        <term><menuchoice>
@@ -168,12 +176,12 @@ Underneath the field there is the status bar.</para>
                        <term><menuchoice>
                                <guimenu>Move</guimenu><guimenuitem>End 
Turn</guimenuitem>
                        </menuchoice></term>
-                       <listitem><para>Skip your move, immediately play the 
next marbles without you moving any.</para></listitem>
+                       <listitem><para>Skip your move, immediately play the 
next marbres without you moving any.</para></listitem>
                </varlistentry>
 
                <varlistentry id="menu-navigation-left">
                        <term><menuchoice>
-                               <shortcut><keycap>Left</keycap></shortcut>
+                               <shortcut>&Left;</shortcut>
                                <guimenu>Navigation</guimenu>
                                <guimenuitem>Move Left</guimenuitem>
                        </menuchoice></term>
@@ -181,7 +189,7 @@ Underneath the field there is the status bar.</para>
                </varlistentry>
                <varlistentry id="menu-navigation-right">
                        <term><menuchoice>
-                               <shortcut><keycap>Right</keycap></shortcut>
+                               <shortcut>&Right;</shortcut>
                                <guimenu>Navigation</guimenu>
                                <guimenuitem>Move Right</guimenuitem>
                        </menuchoice></term>
@@ -189,7 +197,7 @@ Underneath the field there is the status bar.</para>
                </varlistentry>
                <varlistentry id="menu-navigation-up">
                        <term><menuchoice>
-                               <shortcut><keycap>Up</keycap></shortcut>
+                               <shortcut>&Up;</shortcut>
                                <guimenu>Navigation</guimenu>
                                <guimenuitem>Move Up</guimenuitem>
                        </menuchoice></term>
@@ -197,7 +205,7 @@ Underneath the field there is the status bar.</para>
                </varlistentry>
                <varlistentry id="menu-navigation-down">
                        <term><menuchoice>
-                               <shortcut><keycap>Down</keycap></shortcut>
+                               <shortcut>&Down;</shortcut>
                                <guimenu>Navigation</guimenu>
                                <guimenuitem>Move Down</guimenuitem>
                        </menuchoice></term>
@@ -205,7 +213,7 @@ Underneath the field there is the status bar.</para>
                </varlistentry>
                <varlistentry id="menu-navigation-select">
                        <term><menuchoice>
-                               <shortcut><keycap>Space</keycap></shortcut>
+                               <shortcut>&Space;</shortcut>
                                <guimenu>Navigation</guimenu>
                                <guimenuitem>Select</guimenuitem>
                        </menuchoice></term>
@@ -217,7 +225,7 @@ Underneath the field there is the status bar.</para>
                                <guimenu>Settings</guimenu>
                                <guimenuitem>Show Next</guimenuitem>
                        </menuchoice></term>
-                       <listitem><para><action>Toggles the information on next 
marbles.</action></para></listitem>
+                       <listitem><para><action>Toggles the information on next 
marbres.</action></para></listitem>
                </varlistentry>
        </variablelist>
 
@@ -237,7 +245,7 @@ of the &kde; Fundamentals.
 <!--Following is a standard list of FAQ questions.-->
 <qandaentry>
  <question><para>I want to change the way this game looks. Can I? 
</para></question>
- <answer><para>Yes. To change &kolorlines; visual theme you can use 
<menuchoice><guimenu>Settings</guimenu><guimenuitem>Configure 
&kolorlines;...</guimenuitem></menuchoice> option on the 
menubar.</para></answer>
+ <answer><para>Yes. To change &kolorlines; visual theme you can use the 
<menuchoice><guimenu>Settings</guimenu> <guimenuitem>Configure 
&kolorlines;...</guimenuitem></menuchoice> menu item.</para></answer>
 </qandaentry>
 <qandaentry>
  <question><para>I don't want to make any moves right now. Can I skip a turn? 
</para></question>
@@ -245,7 +253,7 @@ of the &kde; Fundamentals.
 </qandaentry>
 <qandaentry>
  <question><para>Can I use the keyboard to play the game? </para></question>
- <answer><para>Yes. You can use the cursor keys and the <keycap>Space</keycap> 
key to select and set the balls.</para></answer>
+ <answer><para>Yes. You can use the cursor keys and the &Space; key to select 
and set the marbres.</para></answer>
 </qandaentry>
 <qandaentry>
  <question><para>I cannot figure out what to do here! Are there hints? 
</para></question>
@@ -268,7 +276,7 @@ of the &kde; Fundamentals.
 
 <chapter id="credits"><title>Credits and License</title> <!-- do not change 
this! -->
 <!--This chapter is for credits and licenses.-->
- 
+
 <para>&kolorlines;</para>
 
 <para>Program copyright 2000 &Roman.Merzlyakov;
@@ -289,10 +297,10 @@ testing and discussions.</para>
 <!-- TRANS:CREDIT_FOR_TRANSLATORS -->
 &underFDL;
 &underGPL;
- 
+
 </chapter>
-  
-&documentation.index; 
+
+&documentation.index;
 </book>
 <!--
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