diff --git a/appendices/migration74/windows-support.xml b/appendices/migration74/windows-support.xml
index 5b110c573d..3587b02f70 100644
--- a/appendices/migration74/windows-support.xml
+++ b/appendices/migration74/windows-support.xml
@@ -15,7 +15,16 @@
  <sect2 xml:id="migration74.windows-support.other">
   <title>CTRL handling</title>
   <para>
-   CTRL+C and CTRL+BREAK on console can be caught by setting a handler function
+   <keycombo action='simul'>
+    <keycap>CTRL</keycap>
+    <keycap>C</keycap>
+   </keycombo>
+   and
+   <keycombo action='simul'>
+    <keycap>CTRL</keycap>
+    <keycap>BREAK</keycap>
+   </keycombo>
+   on console can be caught by setting a handler function
    with <function>sapi_windows_set_ctrl_handler</function>.
   </para>
   <para>
diff --git a/appendices/reserved.constants.core.xml b/appendices/reserved.constants.core.xml
index 2cd27139a5..d4bf1a072b 100644
--- a/appendices/reserved.constants.core.xml
+++ b/appendices/reserved.constants.core.xml
@@ -718,7 +718,12 @@
    </term>
    <listitem>
     <simpara>
-     A Windows <literal>CTRL+C</literal> event.
+     A Windows
+     <keycombo action='simul'>
+      <keycap>CTRL</keycap>
+      <keycap>C</keycap>
+     </keycombo>
+     event.
      Available as of PHP 7.4.0 (Windows only).
     </simpara>
    </listitem>
@@ -730,7 +735,12 @@
    </term>
    <listitem>
     <simpara>
-     A Windows <literal>CTRL+BREAK</literal> event.
+     A Windows
+     <keycombo action='simul'>
+      <keycap>CTRL</keycap>
+      <keycap>BREAK</keycap>
+     </keycombo>
+     event.
      Available as of PHP 7.4.0 (Windows only).
     </simpara>
    </listitem>
diff --git a/chmonly/usingchm.xml b/chmonly/usingchm.xml
index 9a2c678360..2a60943eb5 100644
--- a/chmonly/usingchm.xml
+++ b/chmonly/usingchm.xml
@@ -154,47 +154,96 @@
       <tbody>
        <row>
         <entry>Close the Help Viewer</entry>
-        <entry>ALT+F4</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>F4</keycap>
+         </keycombo>
+        </entry>
        </row>
        <row>
         <entry>Display the Options menu</entry>
-        <entry>ALT+O</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>O</keycap>
+         </keycombo>
+        </entry>
        </row>
        <row>
         <entry>Hide or show the Navigation pane</entry>
-        <entry>ALT+O, and then T</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>O</keycap>
+         </keycombo>,
+         and then <keycap>T</keycap>
+        </entry>
        </row>
        <row>
         <entry>Print a topic</entry>
-        <entry>ALT+O, and then P</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>O</keycap>
+         </keycombo>,
+         and then <keycap>P</keycap>
+        </entry>
        </row>
        <row>
         <entry>Move back to the previous topic</entry>
-        <entry>ALT+LEFT ARROW</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>LEFT ARROW</keycap>
+         </keycombo>
+        </entry>
        </row>
        <row>
         <entry>Move forward to the next topic (provided you have viewed it just previously)</entry>
-        <entry>ALT+RIGHT ARROW</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>RIGHT ARROW</keycap>
+         </keycombo>
+        </entry>
        </row>
        <row>
         <entry>Turn on or off search highlighting.</entry>
-        <entry>ALT+O, and then O</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>O</keycap>
+         </keycombo>,
+         and then <keycap>O</keycap>
+        </entry>
        </row>
        <row>
         <entry>Return to the help file home page</entry>
-        <entry>ALT+O, and then H</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>O</keycap>
+         </keycombo>,
+         and then <keycap>H</keycap>
+        </entry>
        </row>
        <row>
         <entry>Switch between the Navigation pane and the Topic pane</entry>
-        <entry>F6</entry>
+        <entry><keycap>F6</keycap></entry>
        </row>
        <row>
         <entry>Scroll through all the links in a topic or through all the options on a Navigation pane tab</entry>
-        <entry>TAB</entry>
+        <entry><keycap>TAB</keycap></entry>
        </row>
        <row>
         <entry>Display context (right click) menu</entry>
-        <entry>SHIFT+F10</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>SHIFT</keycap>
+          <keycap>F10</keycap>
+         </keycombo>
+        </entry>
        </row>
       </tbody>
      </tgroup>
@@ -212,19 +261,29 @@
       <tbody>
        <row>
         <entry>Display the Contents tab</entry>
-        <entry>ALT+C</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>C</keycap>
+         </keycombo>
+        </entry>
        </row>
        <row>
         <entry>Open and close a book or folder</entry>
-        <entry>PLUS SIGN and MINUS SIGN, or LEFT ARROW and RIGHT ARROW</entry>
+        <entry>
+         <keycap>+</keycap> and <keycap>-</keycap>
+         or <keycap>LEFT ARROW</keycap> and <keycap>RIGHT ARROW</keycap>
+        </entry>
        </row>
        <row>
         <entry>Select a topic</entry>
-        <entry>DOWN ARROW and UP ARROW</entry>
+        <entry>
+         <keycap>DOWN ARROW</keycap> and <keycap>UP ARROW</keycap>
+        </entry>
        </row>
        <row>
         <entry>Display the selected topic</entry>
-        <entry>ENTER</entry>
+        <entry><keycap>ENTER</keycap></entry>
        </row>
       </tbody>
      </tgroup>
@@ -242,19 +301,38 @@
       <tbody>
        <row>
         <entry>Display the Index tab</entry>
-        <entry>ALT+N</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>N</keycap>
+         </keycombo>
+         </entry>
        </row>
        <row>
         <entry>Type a keyword to search for</entry>
-        <entry>ALT+W, and then type the word</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>W</keycap>
+         </keycombo>,
+         and then type the word
+        </entry>
        </row>
        <row>
         <entry>Select a keyword in the list</entry>
-        <entry>UP ARROW and DOWN ARROW</entry>
+        <entry>
+         <keycap>UP ARROW</keycap> and <keycap>DOWN ARROW</keycap>
+        </entry>
        </row>
        <row>
         <entry>Display the associated topic</entry>
-        <entry>ENTER or ALT+D</entry>
+        <entry>
+         <keycap>ENTER</keycap> or
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>D</keycap>
+         </keycombo>
+        </entry>
        </row>
       </tbody>
      </tgroup>
@@ -272,35 +350,82 @@
       <tbody>
        <row>
         <entry>Display the Search tab</entry>
-        <entry>ALT+S</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>S</keycap>
+         </keycombo>
+        </entry>
        </row>
        <row>
         <entry>Type a keyword to search for</entry>
-        <entry>ALT+W, and then type the word</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>W</keycap>
+         </keycombo>,
+         and then type the word
+        </entry>
        </row>
        <row>
         <entry>Start a search</entry>
-        <entry>ALT+L</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>L</keycap>
+         </keycombo>
+        </entry>
        </row>
        <row>
         <entry>Select a topic in the results list</entry>
-        <entry>ALT+T, and then UP ARROW and DOWN ARROW</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>T</keycap>
+         </keycombo>,
+         and then
+         <keycap>UP ARROW</keycap> and <keycap>DOWN ARROW</keycap>
+        </entry>
        </row>
        <row>
         <entry>Display the selected topic</entry>
-        <entry>ENTER or ALT+D</entry>
+        <entry>
+         <keycap>ENTER</keycap> or
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>D</keycap>
+         </keycombo>
+        </entry>
        </row>
        <row>
         <entry>Search for a keyword in the result list of a prior search</entry>
-        <entry>ALT+U</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>U</keycap>
+         </keycombo>
+        </entry>
        </row>
        <row>
-        <entry>Search for words similar to the keyword. For example, to find words like "running" and "runs" for the keyword "run"</entry>
-        <entry>ALT+M</entry>
+        <entry>
+         Search for words similar to the keyword.
+         For example, to find words like "running" and "runs" for the keyword "run"
+        </entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>M</keycap>
+         </keycombo>
+        </entry>
        </row>
        <row>
         <entry>Only search through topic titles</entry>
-        <entry>ALT+R</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>R</keycap>
+         </keycombo>
+        </entry>
        </row>
       </tbody>
      </tgroup>
@@ -318,23 +443,51 @@
       <tbody>
        <row>
         <entry>Display the Favorites tab</entry>
-        <entry>ALT+I</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>I</keycap>
+         </keycombo>
+        </entry>
        </row>
        <row>
         <entry>Add the currently displayed topic to the Favorites list</entry>
-        <entry>ALT+A</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>A</keycap>
+         </keycombo>
+        </entry>
        </row>
        <row>
         <entry>Select a topic in the Favorites list</entry>
-        <entry>ALT+P, and then UP ARROW and DOWN ARROW</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>P</keycap>
+         </keycombo>,
+         and then
+         <keycap>UP ARROW</keycap> and <keycap>DOWN ARROW</keycap>
+        </entry>
        </row>
        <row>
         <entry>Display the selected topic</entry>
-        <entry>ENTER or ALT+D</entry>
+        <entry>
+         <keycap>ENTER</keycap> or
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>D</keycap>
+         </keycombo>
+        </entry>
        </row>
        <row>
         <entry>Remove the selected topic from the list</entry>
-        <entry>ALT+R</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>ALT</keycap>
+          <keycap>R</keycap>
+         </keycombo>
+        </entry>
        </row>
       </tbody>
      </tgroup>
@@ -352,15 +505,24 @@
       <tbody>
        <row>
         <entry>Index Lookup</entry>
-        <entry>Select the words you would like to look up and press F1</entry>
+        <entry>
+         Select the words you would like to look up and press
+         <keycap>F1</keycap>
+        </entry>
        </row>
        <row>
         <entry>Find on page</entry>
-        <entry>CTRL+F, and then adjust options</entry>
+        <entry>
+         <keycombo action='simul'>
+          <keycap>CTRL</keycap>
+          <keycap>F</keycap>
+         </keycombo>,
+         and then adjust options
+        </entry>
        </row>
        <row>
         <entry>Refresh page</entry>
-        <entry>F5</entry>
+        <entry><keycap>F5</keycap></entry>
        </row>
       </tbody>
      </tgroup>
diff --git a/features/commandline.xml b/features/commandline.xml
index c57764a0b7..3f6f354762 100644
--- a/features/commandline.xml
+++ b/features/commandline.xml
@@ -1598,8 +1598,17 @@ php >
     If the readline extension is not available, prior to PHP 8.1.0, invoking the &cli.sapi; with the
     <option>-a</option> option provided the interactive mode. In this mode, a
     complete PHP script is supposed to be given via STDIN, and after termination
-    with <literal>CRTL+d</literal> (POSIX) or <literal>CTRL+z</literal>
-    followed by <literal>ENTER</literal> (Windows), this script is evaluated.
+    with
+    <keycombo action='simul'>
+     <keycap>CTRL</keycap>
+     <keycap>D</keycap>
+    </keycombo>
+    (POSIX) or
+    <keycombo action='simul'>
+     <keycap>CTRL</keycap>
+     <keycap>Z</keycap>
+    </keycombo>
+    followed by <keycap>ENTER</keycap> (Windows), this script is evaluated.
     This is basically the same as invoking the &cli.sapi; without the <option>-a</option>
     option.
    </para>
diff --git a/reference/misc/functions/sapi-windows-set-ctrl-handler.xml b/reference/misc/functions/sapi-windows-set-ctrl-handler.xml
index 2b579c3eba..74a6f6eb08 100644
--- a/reference/misc/functions/sapi-windows-set-ctrl-handler.xml
+++ b/reference/misc/functions/sapi-windows-set-ctrl-handler.xml
@@ -29,8 +29,18 @@
     <listitem>
      <para>
       A callback function to set or remove. If set, this function will be called
-      whenever a <literal>CTRL+C</literal> or <literal>CTRL+BREAK</literal> event
-      occurs. The function is supposed to have the following signature:
+      whenever a
+      <keycombo action='simul'>
+       <keycap>CTRL</keycap>
+       <keycap>C</keycap>
+      </keycombo>
+      or
+      <keycombo action='simul'>
+       <keycap>CTRL</keycap>
+       <keycap>BREAK</keycap>
+      </keycombo>
+      event occurs.
+      The function is supposed to have the following signature:
       <methodsynopsis>
        <type>void</type><methodname>handler</methodname>
        <methodparam><type>int</type><parameter>event</parameter></methodparam>
@@ -40,7 +50,7 @@
         <term><parameter>event</parameter></term>
         <listitem>
          <simpara>
-          The <literal>CTRL</literal> event which has been received;
+          The <keycap>CTRL</keycap> event which has been received;
           either <constant>PHP_WINDOWS_EVENT_CTRL_C</constant>
           or <constant>PHP_WINDOWS_EVENT_CTRL_BREAK</constant>.
          </simpara>
@@ -48,7 +58,16 @@
        </varlistentry>
       </variablelist>
       Setting a &null; <parameter>handler</parameter> causes the process to ignore
-      <literal>CTRL+C</literal> events, but not <literal>CTRL+BREAK</literal> events.
+      <keycombo action='simul'>
+       <keycap>CTRL</keycap>
+       <keycap>C</keycap>
+      </keycombo>
+      events, but not
+      <keycombo action='simul'>
+       <keycap>CTRL</keycap>
+       <keycap>BREAK</keycap>
+      </keycombo>
+      events.
      </para>
     </listitem>
    </varlistentry>
diff --git a/reference/ui/ui.area.xml b/reference/ui/ui.area.xml
index aa6845d25a..5ba1fc9f97 100644
--- a/reference/ui/ui.area.xml
+++ b/reference/ui/ui.area.xml
@@ -87,21 +87,30 @@
     <varlistentry xml:id="ui-area.constants.ctrl">
      <term><constant>UI\Area::Ctrl</constant></term>
      <listitem>
-      <para>Shall be set in the modifiers passed to key and mouse events when the CTRL key is active</para>
+      <simpara>
+       Shall be set in the modifiers passed to key and mouse events
+       when the <keycap>CTRL</keycap> key is active
+      </simpara>
      </listitem>
     </varlistentry>
 
     <varlistentry xml:id="ui-area.constants.alt">
      <term><constant>UI\Area::Alt</constant></term>
      <listitem>
-      <para>Shall be set in the modifiers passed to key and mouse events when the ALT key is active</para>
+      <simpara>
+       Shall be set in the modifiers passed to key and mouse events
+       when the <keycap>ALT</keycap> key is active
+      </simpara>
      </listitem>
     </varlistentry>
 
     <varlistentry xml:id="ui-area.constants.shift">
      <term><constant>UI\Area::Shift</constant></term>
      <listitem>
-      <para>Shall be set in the modifiers passed to key and mouse events when the SHIFT key is active</para>
+      <simpara>
+       Shall be set in the modifiers passed to key and mouse events
+       when the <keycap>SHIFT</keycap> key is active
+      </simpara>
      </listitem>
     </varlistentry>