13 files changed, 59 insertions, 58 deletions
diff --git a/doc/kenolaba/index.docbook b/doc/kenolaba/index.docbook
index 33640bac..eb16faad 100644
--- a/doc/kenolaba/index.docbook
+++ b/doc/kenolaba/index.docbook
@@ -58,7 +58,7 @@ played by two players.</para> </abstract>
 <para>&kenolaba; is a simple board strategy game that is played by two
 players. There are red and yellow pieces for each player. Beginning from
 a position where each player has 14 pieces, moves are drawn until
-one player has pushed 6 of his opponent's pieces out of the
+one player has pushed 6 of their opponent's pieces out of the
 board.</para>
 
 <para>The original program was developed in 1993 for DOS and pure
@@ -303,8 +303,8 @@ key.</para>
 <guimenu>Settings</guimenu> menu, and the <guimenuitem>Spy</guimenuitem>
 option.  If it is your turn, you can see the computer's rating of the
 move you want to play in the status bar. If it's the computer's turn you
-can see (in status bar and highlighted pieces) the move he actually
-thinks is the best to play. Of course this changes along his
+can see (in status bar and highlighted pieces) the move they actually
+thinks is the best to play. Of course this changes along their
 search.</para>
 </sect1>
 
@@ -576,8 +576,8 @@ your move.</para>
 </term>
 <listitem>
 <para>
-When the computer is thinking, his depth search is interrupted and he
-draws the best move he has found so far.</para>
+When the computer is thinking, its depth search is interrupted and he
+draws the best move it has found so far.</para>
 </listitem>
 </varlistentry>
 
diff --git a/doc/kenolaba/man-kenolaba.6.docbook b/doc/kenolaba/man-kenolaba.6.docbook
index a89a79fd..873f69a9 100644
--- a/doc/kenolaba/man-kenolaba.6.docbook
+++ b/doc/kenolaba/man-kenolaba.6.docbook
@@ -38,7 +38,7 @@
 <para>&kenolaba; is a simple board strategy game that is played by two
 players. There are red and yellow pieces for each player. Beginning
 from a start position where each player has 14 pieces, moves are drawn
-until one player has pushed 6 of his opponent's pieces out of the
+until one player has pushed 6 of their opponent's pieces out of the
 board. </para>
 
 </refsect1>
diff --git a/doc/kgoldrunner/index.docbook b/doc/kgoldrunner/index.docbook
index 4caafd23..0545f543 100644
--- a/doc/kgoldrunner/index.docbook
+++ b/doc/kgoldrunner/index.docbook
@@ -75,8 +75,8 @@ will kill you if they catch you!</para>
 <para>The problem is you have no weapon to kill
 <emphasis>them</emphasis>.  All you can do is run away, dig holes in
 the floor to trap them or lure them into some area where they cannot
-hurt you.  After a short time a trapped enemy climbs out of his hole,
-but if it closes before that, he will die and reappear somewhere else.
+hurt you.  After a short time a trapped enemy climbs out of their hole,
+but if it closes before that, they will die and reappear somewhere else.
 </para>
 
 <para>If you have never played before, try the <quote>Tutorial</quote>
@@ -97,16 +97,16 @@ solving &mdash; all in one game.  Good luck!</para>
 
 <para>Below is a typical game in progress.  The hero (green) is at
 level 4 in the Advanced Tutorial game.  The window's status bar shows
-how many lives he has left and how many points he has scored.  It also
-shows that there is a hint available for this level (as there always
+how many lives they have left and how many points they have scored.
+It also shows that there is a hint available for this level (as there always
 is  in tutorial games) and that the action is stopped (while taking
 this snapshot), but can be continued by pressing <keycap>P</keycap> or
 <keycap>Esc</keycap>.</para>
 
 <para>The hero started at the top left, dug a hole and dropped into a
-line of false bricks and gold where you can now see him falling.  The
-enemy above him will fall into the hole, then climb out and be trapped
-up there till the end of the level.  He could cause the hero some
+line of false bricks and gold where you can now see them falling.  The
+enemy above them will fall into the hole, then climb out and be trapped
+up there till the end of the level.  They could cause the hero some
 problems then, because that is where the hidden ladders appear when
 all the gold is gone.  The hero has to use them to get to the next
 level.</para>
@@ -120,8 +120,8 @@ level.</para>
 </screenshot>
 
 <para>The enemy on the right is falling and carrying some gold.
-Notice his gold outline.  The third enemy is about to come down a ladder to
-chase the hero.  He will have to dodge both enemies when he reaches
+Notice their gold outline.  The third enemy is about to come down a ladder to
+chase the hero.  They will have to dodge both enemies when they reach
 the floor ...  This level also shows diggable bricks and undiggable
 concrete and has lots of traps (false bricks), which look just like
 ordinary bricks.</para>
@@ -152,15 +152,15 @@ level completed.</para>
 <title>Moving Around</title>
 
 <para>By default you control the hero (green) with the mouse, but you
-can also control him with the keyboard (<link
-linkend="keyboard-control">see below</link>). He moves towards
-wherever you place the mouse pointer. He cannot move as fast as you
-can move the mouse, but he will try hard to catch up. If the mouse
-pointer is above or below his level, he will always go up or down when
-there is a ladder available or a place to fall into. Otherwise he will
-move horizontally until he is above, below or right at the mouse
-pointer. You can make him follow simple paths (like _ | L or U), but
-be careful not to get too many twists and turns ahead of him.</para>
+can also control them with the keyboard (<link
+linkend="keyboard-control">see below</link>). They move towards
+wherever you place the mouse pointer. They cannot move as fast as you
+can move the mouse, but they will try hard to catch up. If the mouse
+pointer is above or below their level, they will always go up or down when
+there is a ladder available or a place to fall into. Otherwise they will
+move horizontally until they are above, below or right at the mouse
+pointer. You can make them follow simple paths (like _ | L or U), but
+be careful not to get too many twists and turns ahead of them.</para>
 
 <para>You can move left or right over bricks, concrete, ladders or
 bars and up or down over ladders. If you are on an empty square or a
@@ -195,10 +195,10 @@ menu.</para>
 
 <para>The movement keys (<keycap>I</keycap>, <keycap>J</keycap>,
 <keycap>K</keycap>, <keycap>L</keycap> or arrows) start the hero
-moving up, down, left or right. He continues moving in that direction,
-if he can, until you press another movement key or
-<keycap>Space</keycap> to stop. In mouse mode, he stops automatically
-when he gets to the mouse pointer.</para>
+moving up, down, left or right. They continue moving in that direction,
+if they can, until you press another movement key or
+<keycap>Space</keycap> to stop. In mouse mode, they stop automatically
+when they gets to the mouse pointer.</para>
 
 <para>A word of warning: using the keyboard is much harder, in the
 long run, than using the mouse. Think of the mouse as a
@@ -253,13 +253,13 @@ linkend="rules-of-digging">Rules of Digging</link> below). They will
 pick up gold either always or at random, depending on the game
 settings, and will drop gold at random on brick, concrete or the top
 of a ladder. An enemy who is carrying gold has a gold outline. You
-must get the gold away from him before you can finish the
+must get the gold away from them before you can finish the
 level.</para>
 
 <para>If an enemy touches you or you move down onto one, you die and
 must start the level again, if you have any lives left. However, it is
 possible to walk or stand on an enemy's head and you can ride an enemy
-down when he is falling. Some advanced levels require such a
+down when they are falling. Some advanced levels require such a
 move.</para>
 
 </sect2>
@@ -290,8 +290,8 @@ mouse button, or use one of the digging keys (defaults
 <keycap>O</keycap>.)</para>
 
 <para>You can dodge an oncoming enemy by digging a hole, waiting for
-him to fall in and then running quickly over his head. At the same
-time you can collect any gold he was carrying. Usually you can dig two
+him to fall in and then running quickly over their head. At the same
+time you can collect any gold they were carrying. Usually you can dig two
 holes to capture and run over two enemies who are close together, but
 this rarely works if the enemies are separated or there are more than
 two of them.</para>
@@ -329,7 +329,7 @@ will always climb UP to get out of it. Their time in the hole is less
 than the time the hole stays open, so to kill enemies you usually have
 to dig several holes in quick succession. Enemies always give up gold
 as they fall into a hole, so you can quickly run onto the enemy's head
-and grab the gold before he climbs out.</para>
+and grab the gold before they climb out.</para>
 
 <para>Enemies will never fall down through a hole from above, but
 depending on the game rules and <guimenu>Settings</guimenu>, they can
@@ -404,7 +404,7 @@ enemies choose a path to the hero.</para>
 <listitem>
 <para>In the <quote>Traditional</quote> search method, enemies look
 for vertical paths (ladders and falls) and they try to stay above the
-hero or at the same height. They go below him only as a last
+hero or at the same height. They go below them only as a last
 resort. The enemies make no attempt to chase the hero in the
 horizontal direction until they are at the same height and can find a
 horizontal path. This leads to situations where you can
@@ -442,7 +442,7 @@ both types of play.</para>
 <quote>Traditional</quote> play but not in
 <quote>&kgoldrunner;</quote> play. The trick in several
 <quote>Traditional</quote> levels depends on releasing an enemy from
-behind a brick wall. When you dig away the bricks, he runs out through
+behind a brick wall. When you dig away the bricks, they run out through
 the hole.</para>
 </listitem>
 <listitem>
@@ -786,7 +786,7 @@ on every level.</para>
 </menuchoice>
 </term>
 <listitem>
-<para>Kills the hero when he is in a position from which he cannot
+<para>Kills the hero when they are in a position from which they cannot
 escape.</para>
 </listitem>
 </varlistentry>
@@ -1210,7 +1210,7 @@ else if you prefer and you do not have to use the whole 28x20
 area. Lots of interesting levels use smaller areas. </para>
 
 <para>The minimum requirement for a level to be playable is to have a
-hero, a gold nugget he can get to and a visible or hidden ladder
+hero, a gold nugget they can get to and a visible or hidden ladder
 leading to the top of the playing area. You do not have to have
 enemies, bars or even bricks. There are many challenging levels that
 have no enemies or no bricks.</para>
@@ -1292,7 +1292,7 @@ release the mouse button. If you make a mistake, you can use the
 <guiicon>Empty space</guiicon> icon to erase it.</para>
 
 <para>The hero icon works differently, because there can be only one
-hero. When you paint the hero, he moves from his previous position to
+hero. When you paint the hero, they move from their previous position to
 wherever you release the mouse button.</para>
 
 </sect2>
@@ -1418,9 +1418,9 @@ Solving Difficult Levels</link></para>
 
 <itemizedlist>
 <listitem>
-<para>You can always trap a single oncoming enemy in one hole, get his
-gold and run on over him without killing him. It is often a good idea
-to dig behind you and delay him further, but that might kill him. In
+<para>You can always trap a single oncoming enemy in one hole, get their
+gold and run on over them without killing them. It is often a good idea
+to dig behind you and delay them further, but that might kill them. In
 some levels it is not a good idea to kill enemies.</para>
 </listitem>
 <listitem>
@@ -1444,13 +1444,13 @@ collect gold while they run along behind you.</para>
 takes three to nine holes to kill one to five enemies.</para>
 </listitem>
 <listitem>
-<para>It is possible to kill an enemy with one hole if he is far
+<para>It is possible to kill an enemy with one hole if they are far
 enough away when you dig it.</para>
 </listitem>
 <listitem>
 <para>In the <quote>Traditional</quote> game, you can trap an enemy
 permanently in a pit of brick or concrete. Stand near the edge of the
-pit on the opposite side to the enemy. As he approaches the pit, move
+pit on the opposite side to the enemy. As they approach the pit, move
 down one square (to the level of the floor of the pit) and the enemy
 will usually run into the pit.</para>
 </listitem>
@@ -1513,7 +1513,7 @@ position.</para>
 </listitem>
 <listitem>
 <para>In some situations an enemy can be killed without giving up the
-gold he is carrying. The gold becomes a <quote>lost
+gold they are carrying. The gold becomes a <quote>lost
 nugget</quote>. You score no points for making an enemy lose a nugget,
 but at least you can finish the level.</para>
 </listitem>
@@ -1547,7 +1547,7 @@ easier stages.</para>
 <listitem>
 <para>In digging puzzles, look for false bricks you can fall into and
 thus have one less brick to dig. Or consider using an enemy to go
-ahead of you, so that you can stand on his head and dig.</para>
+ahead of you, so that you can stand on their head and dig.</para>
 </listitem>
 <listitem>
 <para>Look for a theme or trick in the level, such as riding down on
@@ -1555,7 +1555,7 @@ an enemy's head, trapping all the enemies in a pit, luring the enemies
 to a corner where they will stay and not chase you, luring the enemies
 into pits you must cross to get to some gold, getting the enemies to
 fetch gold for you or finding spots where you can stand and make an
-enemy move to where you want him.</para>
+enemy move to where you want them.</para>
 </listitem>
 </itemizedlist>
 </sect1>
diff --git a/doc/kpoker/index.docbook b/doc/kpoker/index.docbook
index 2f588615..f4bc368f 100644
--- a/doc/kpoker/index.docbook
+++ b/doc/kpoker/index.docbook
@@ -307,7 +307,7 @@ you think you are ready then click again on the <guibutton>Draw New Cards</guibu
 button - you will probably get new cards.</para>
 
 <para>Perhaps you do not get new cards - then the computer player has
-quite good cards (or at least not very bad cards) and he has
+quite good cards (or at least not very bad cards) and they have
 raised. You have to decide to adjust your bet or to get out of the
 round. By default you will adjust your bet. Click again on the
 <guibutton>Draw New Cards</guibutton> button when ready.</para></listitem>
diff --git a/doc/kreversi/index.docbook b/doc/kreversi/index.docbook
index 525137bb..30b782c2 100644
--- a/doc/kreversi/index.docbook
+++ b/doc/kreversi/index.docbook
@@ -66,7 +66,7 @@ computer. The playing field is an 8 by 8 square board divided into 64
 squares. The game piece used is a colored stone - one side of it is red, the
 other blue. If a piece is captured by an opposing player, that piece is turned
 to reveal the color of that player. A winner is declared when one player has
-more pieces of his own color on the board and if there are no more possible
+more pieces of their own color on the board and if there are no more possible
 moves.</para>
 
 </sect1>
@@ -187,7 +187,7 @@ another square later in the game.</para>
 
 <para>When it is no longer possible for either player to move, the
 game is over. Discs are then counted and the player with the majority
-of his or her color discs on the board is declared the winner.</para>
+of their color discs on the board is declared the winner.</para>
 
 <note><para>It is possible for a game to end before all 64 squares are
 filled.</para></note>
diff --git a/doc/kspaceduel/index.docbook b/doc/kspaceduel/index.docbook
index 62043531..b52e99bf 100644
--- a/doc/kspaceduel/index.docbook
+++ b/doc/kspaceduel/index.docbook
@@ -61,7 +61,7 @@ other.</para>
 
 <chapter id="the-game">
 <title>The Game</title>
-<para>The idea of the game is simple (but addictive).  You try to destroy your opponent before he destroys you.</para>
+<para>The idea of the game is simple (but addictive).  You try to destroy your opponent before they destroy you.</para>
 <para>Be careful not to hit the sun.</para>
 <sect1 id="rules-of-the-game">
 <title>Rules of the Game</title>
diff --git a/doc/ktron/index.docbook b/doc/ktron/index.docbook
index e8b11dc5..7b9e8641 100644
--- a/doc/ktron/index.docbook
+++ b/doc/ktron/index.docbook
@@ -142,7 +142,7 @@ xtron-1.1.</para>
 </listitem>
 <listitem>
 <para>At skill levels Average and Expert, the computer tries to hinder the
-opponent when he comes near.</para>
+opponent when they come near.</para>
 </listitem>
 </itemizedlist>
 
diff --git a/doc/ktuberling/index.docbook b/doc/ktuberling/index.docbook
index bb9c16b8..8ac74926 100644
--- a/doc/ktuberling/index.docbook
+++ b/doc/ktuberling/index.docbook
@@ -105,7 +105,7 @@ include them in the museum if he gets some spare time.
 <para>
 &ktuberling; can also <quote>speak</quote>. It will spell out the name of
 the objects you drag and drop. It will <quote>speak</quote> in a language
-that you can chose. You can even use it to learn a bit of vocabulary
+that you can choose. You can even use it to learn a bit of vocabulary
 in foreign languages. Currently, &ktuberling; can <quote>speak</quote>
 Danish, German, English, Spanish, French, Italian, Dutch, Portuguese, Romanian,
 Serbian, Slovak, Slovenian and Swedish.
diff --git a/doc/lskat/index.docbook b/doc/lskat/index.docbook
index dbdf16e9..f816a7d2 100644
--- a/doc/lskat/index.docbook
+++ b/doc/lskat/index.docbook
@@ -140,7 +140,7 @@ holding for any <emphasis>trump</emphasis>):</para>
 </simplelist>
 
 <para>
-The player who wins both cards will add their value to his score. The
+The player who wins both cards will add their value to their score. The
 values of the cards are:</para>
 
 <informaltable>
diff --git a/doc/man/kenolaba/kenolaba.6 b/doc/man/kenolaba/kenolaba.6
index 42654a08..97d10a12 100644
--- a/doc/man/kenolaba/kenolaba.6
+++ b/doc/man/kenolaba/kenolaba.6
@@ -11,7 +11,7 @@ kenolaba \- Abalone board game for TDE
 KEnolaba is a simple board strategy game that is played by two players.
 There are red and yellow pieces for each player. Beginning from a
 start position where each player has 14 pieces, moves are drawn until
-one player has pushed 6 of his opponent's pieces out of the board.
+one player has pushed 6 of their opponent's pieces out of the board.
 
 The original program was developed in 1993 for DOS and pure Xlib. For
 TDE there was a major rewrite.
diff --git a/doc/man/kreversi/kreversi.6 b/doc/man/kreversi/kreversi.6
index a0cf3399..77443e55 100644
--- a/doc/man/kreversi/kreversi.6
+++ b/doc/man/kreversi/kreversi.6
@@ -14,7 +14,7 @@ playing field is an 8 by 8 square board divided into 64 squares. The
 game piece used is a colored stone - one side of it is red, the other
 blue. If a piece is captured by an opposing player, that piece is
 turned to reveal the color of that player. A winner is declared when
-one player has more pieces of his own color on the board and if there
+one player has more pieces of their own color on the board and if there
 are no more possible moves.  <Insert here>
 
 .SH GENERIC OPTIONS
diff --git a/doc/man/lskat/lskat.6 b/doc/man/lskat/lskat.6
index f0bece5e..ebff8a34 100644
--- a/doc/man/lskat/lskat.6
+++ b/doc/man/lskat/lskat.6
@@ -12,8 +12,8 @@ Lieutnant skat (from German \fIOffiziersskat\fP) is a card game for
 two players. It is roughly played according to the rules of Skat but
 with only two players and simplified rules.
 
-Every player has a set of cards in front of him/her, half of them
-covered and half of them open. Both players try to win more than 60 of
+Every player has a set of cards in front of them, half of which is
+covered and the other half open. Both players try to win more than 60 of
 the 120 possible points. After 16 moves all cards are played and the
 game ends.
 
diff --git a/doc/twin4/index.docbook b/doc/twin4/index.docbook
index 69349e83..0f305dc3 100644
--- a/doc/twin4/index.docbook
+++ b/doc/twin4/index.docbook
@@ -102,7 +102,8 @@ connection). It further shows the level of the computer opponent, the
 number of moves done as well as the computer calculated chance of
 winning. This chance is calculated only if the computer opponent makes a
 move. A positive number means that the player has an advantage, a
-negative number means that the computer thinks he is better.
+negative number means that the computer thinks it is better than the
+player.
 </para>
 
 <para>