diff --git a/docs/en/EXTENDING.txt b/docs/en/EXTENDING.txt
index c72ade182..f2fab1c12 100644
--- a/docs/en/EXTENDING.txt
+++ b/docs/en/EXTENDING.txt
@@ -620,7 +620,7 @@ option is set). The locations vary, depending on operating system.
       + B_USER_FONTS_DIRECTORY
       + B_USER_NONPACKAGED_FONTS_DIRECTORY
 
-  * Linux
+  * Linux/etc.
       + /usr/share/feh/fonts
       + /usr/share/fonts
       + /usr/X11R6/lib/X11/fonts
@@ -633,7 +633,46 @@ option is set). The locations vary, depending on operating system.
 
                               ### FontConfig ###
 
-...
+Tux Paint utilizes FontConfig to find additional system-wide and user-specific
+fonts that the 'Text' and 'Label' tools might be able to use (unless the
+"--nosysfonts" option is set). It does this by looking for FontConfig
+configuration files ("fonts.conf") in various locations.
+
+  * Windows
+      + The "etc/fonts/fonts.conf" file included with Tux Paint.
+  * macOS
+      + The path specified by the "FONTCONFIG_PATH" environment variable, if
+        set.
+  * Haiku
+      + /boot/system/settings/fonts/fonts.conf
+  * Linux/etc.
+      + The path specified by the "FONTCONFIG_PATH" environment variable, if
+        set.
+      + If the above fails, then "/etc/fonts/fonts.conf".
+      + The path specified by the "XDG_CONFIG_HOME" environment variable, if
+        set. There, it looks for the file "fontconfig/fonts.conf".
+      + If the above fails, then "$HOME/.config/fontconfig/fonts.conf".
+
+Each FontConfig configuration file ("fonts.conf") is examined for "<dir>" tags
+that specify directory (folder) paths where fonts might be found, and Tux Paint
+scans them and loads the fonts. If a "prefix" attribute is included in the tag,
+Tux Paint prefixes the path accordingly.
+
+→ xdg ←
+    The directory path specified is considered to be relative to the user's
+    local data path, specified by the "XDG_DATA_HOME" environment variable. If
+    not set, then ".local/share" under the path specified by the "HOME"
+    environment variable will be used, if it exists.
+     
+→ relative ←
+    The directory path specified is considered to be relative to the
+    configuration file itself.
+     
+→ default, cwd, or no "prefix" attribute specified ←
+    The directory path specified is considered to be relative to the current
+    working directory (where Tux Paint is running), unless a root path is
+    included at the start (e.g., "/", "C:\\", etc.)
+     
 
 'Starters'
 
diff --git a/docs/en/html/EXTENDING.html b/docs/en/html/EXTENDING.html
index 5cbe2ec44..5c38e7b4e 100644
--- a/docs/en/html/EXTENDING.html
+++ b/docs/en/html/EXTENDING.html
@@ -710,7 +710,7 @@
               <li>
                 The location specified by the "<code>Fonts</code>" option of the "<code>Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders</code>" Windows Registry key.               </li>
               <li>
-                If the above fails, then "C:\WINDOWS\FONTS".              </li>
+                If the above fails, then "<code>C:\WINDOWS\FONTS</code>".              </li>
               <li>
                 The location specified by the "<code>Local AppData</code>" option of the "<code>Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders</code>" Windows Registry key. The path "<code>\Microsoft\Windows\Fonts</code>" is appended to that location.              </li>
             </ul>
@@ -743,7 +743,7 @@
             </p>
           </li>
           <li>
-            <strong>Linux</strong>
+            <strong>Linux/etc.</strong>
             <ul>
               <li><code>/usr/share/feh/fonts</code></li>
               <li><code>/usr/share/fonts</code></li>
@@ -768,7 +768,60 @@
           </h2>
         </header>
 
-        <p>...</p>
+        <p>
+          
+          Tux Paint utilizes <cite>FontConfig</cite> to find additional system-wide and user-specific fonts that the 'Text' and 'Label' tools might be able to use (unless the "<code>--nosysfonts</code>" option is set).  It does this by looking for <cite>FontConfig</cite> configuration files ("<code>fonts.conf</code>") in various locations.        </p>
+
+        <ul>
+          <li>
+            <strong>Windows</strong>
+            <ul>
+              <li>
+                The "<code>etc/fonts/fonts.conf</code>" file included with Tux Paint.              </li>
+            </ul>
+          </li>
+          <li>
+            <strong>macOS</strong>
+            <ul>
+              <li>
+                The path specified by the "<code>FONTCONFIG_PATH</code>" environment variable, if set.               </li>
+            </ul>
+          </li>
+          <li>
+            <strong>Haiku</strong>
+            <ul>
+              <li><code>/boot/system/settings/fonts/fonts.conf</code></li>
+            </ul>
+          </li>
+          <li>
+            <strong>Linux/etc.</strong>
+            <ul>
+              <li>
+                The path specified by the "<code>FONTCONFIG_PATH</code>" environment variable, if set.               </li>
+              <li>
+                If the above fails, then "<code>/etc/fonts/fonts.conf</code>".              </li>
+              <li>
+                The path specified by the "<code>XDG_CONFIG_HOME</code>" environment variable, if set. There, it looks for the file "<code>fontconfig/fonts.conf</code>".              </li>
+              <li>
+                If the above fails, then "<code>$HOME/.config/fontconfig/fonts.conf</code>".              </li>
+            </ul>
+          </li>
+        </ul>
+
+        <p>
+          Each FontConfig configuration file ("<code>fonts.conf</code>") is examined for "<code>&lt;dir&gt;</code>" tags that specify directory (folder) paths where fonts might be found, and Tux Paint scans them and loads the fonts.  If a "<code>prefix</code>" attribute is included in the tag, Tux Paint prefixes the path accordingly.          <dl>
+            <dt><code>xdg</code></dt>
+            <dd>
+              The directory path specified is considered to be relative to the user's local data path, specified by the "<code>XDG_DATA_HOME</code>" environment variable. If not set, then "<code>.local/share</code>" under the path specified by the "<code>HOME</code>" environment variable will be used, if it exists.            </dd>
+            <dt><code>relative</code></dt>
+            <dd>
+              The directory path specified is considered to be relative to the configuration file itself.            </dd>
+            <dt>
+              <code>default</code>, <code>cwd</code>, or no "<code>prefix</code>" attribute specified            </dt>
+            <dd>
+              The directory path specified is considered to be relative to the current working directory (where Tux Paint is running), unless a root path is included at the start (e.g., "/", "C:\\", etc.)            </dd>
+          </ul>
+        </p>
       </section><!-- H2: FontConfig -->
 
     </section><!-- H1: Fonts -->
diff --git a/docs/es_ES.UTF-8/html/EXTENDING.html b/docs/es_ES.UTF-8/html/EXTENDING.html
index 066dc2648..da2b97f9d 100644
--- a/docs/es_ES.UTF-8/html/EXTENDING.html
+++ b/docs/es_ES.UTF-8/html/EXTENDING.html
@@ -710,7 +710,7 @@
               <li>
                 The location specified by the "<code>Fonts</code>" option of the "<code>Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders</code>" Windows Registry key.               </li>
               <li>
-                If the above fails, then "C:\WINDOWS\FONTS".              </li>
+                If the above fails, then "<code>C:\WINDOWS\FONTS</code>".              </li>
               <li>
                 The location specified by the "<code>Local AppData</code>" option of the "<code>Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders</code>" Windows Registry key. The path "<code>\Microsoft\Windows\Fonts</code>" is appended to that location.              </li>
             </ul>
@@ -743,7 +743,7 @@
             </p>
           </li>
           <li>
-            <strong>Linux</strong>
+            <strong>Linux/etc.</strong>
             <ul>
               <li><code>/usr/share/feh/fonts</code></li>
               <li><code>/usr/share/fonts</code></li>
@@ -768,7 +768,60 @@
           </h2>
         </header>
 
-        <p>...</p>
+        <p>
+          
+          Tux Paint utilizes <cite>FontConfig</cite> to find additional system-wide and user-specific fonts that the 'Text' and 'Label' tools might be able to use (unless the "<code>--nosysfonts</code>" option is set).  It does this by looking for <cite>FontConfig</cite> configuration files ("<code>fonts.conf</code>") in various locations.        </p>
+
+        <ul>
+          <li>
+            <strong>Windows</strong>
+            <ul>
+              <li>
+                The "<code>etc/fonts/fonts.conf</code>" file included with Tux Paint.              </li>
+            </ul>
+          </li>
+          <li>
+            <strong>macOS</strong>
+            <ul>
+              <li>
+                The path specified by the "<code>FONTCONFIG_PATH</code>" environment variable, if set.               </li>
+            </ul>
+          </li>
+          <li>
+            <strong>Haiku</strong>
+            <ul>
+              <li><code>/boot/system/settings/fonts/fonts.conf</code></li>
+            </ul>
+          </li>
+          <li>
+            <strong>Linux/etc.</strong>
+            <ul>
+              <li>
+                The path specified by the "<code>FONTCONFIG_PATH</code>" environment variable, if set.               </li>
+              <li>
+                If the above fails, then "<code>/etc/fonts/fonts.conf</code>".              </li>
+              <li>
+                The path specified by the "<code>XDG_CONFIG_HOME</code>" environment variable, if set. There, it looks for the file "<code>fontconfig/fonts.conf</code>".              </li>
+              <li>
+                If the above fails, then "<code>$HOME/.config/fontconfig/fonts.conf</code>".              </li>
+            </ul>
+          </li>
+        </ul>
+
+        <p>
+          Each FontConfig configuration file ("<code>fonts.conf</code>") is examined for "<code>&lt;dir&gt;</code>" tags that specify directory (folder) paths where fonts might be found, and Tux Paint scans them and loads the fonts.  If a "<code>prefix</code>" attribute is included in the tag, Tux Paint prefixes the path accordingly.          <dl>
+            <dt><code>xdg</code></dt>
+            <dd>
+              The directory path specified is considered to be relative to the user's local data path, specified by the "<code>XDG_DATA_HOME</code>" environment variable. If not set, then "<code>.local/share</code>" under the path specified by the "<code>HOME</code>" environment variable will be used, if it exists.            </dd>
+            <dt><code>relative</code></dt>
+            <dd>
+              The directory path specified is considered to be relative to the configuration file itself.            </dd>
+            <dt>
+              <code>default</code>, <code>cwd</code>, or no "<code>prefix</code>" attribute specified            </dt>
+            <dd>
+              The directory path specified is considered to be relative to the current working directory (where Tux Paint is running), unless a root path is included at the start (e.g., "/", "C:\\", etc.)            </dd>
+          </ul>
+        </p>
       </section><!-- H2: FontConfig -->
 
     </section><!-- H1: Fonts -->
diff --git a/docs/fr_FR.UTF-8/html/EXTENDING.html b/docs/fr_FR.UTF-8/html/EXTENDING.html
index b501e9553..af451f4a4 100644
--- a/docs/fr_FR.UTF-8/html/EXTENDING.html
+++ b/docs/fr_FR.UTF-8/html/EXTENDING.html
@@ -710,7 +710,7 @@
               <li>
                 The location specified by the "<code>Fonts</code>" option of the "<code>Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders</code>" Windows Registry key.               </li>
               <li>
-                If the above fails, then "C:\WINDOWS\FONTS".              </li>
+                If the above fails, then "<code>C:\WINDOWS\FONTS</code>".              </li>
               <li>
                 The location specified by the "<code>Local AppData</code>" option of the "<code>Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders</code>" Windows Registry key. The path "<code>\Microsoft\Windows\Fonts</code>" is appended to that location.              </li>
             </ul>
@@ -743,7 +743,7 @@
             </p>
           </li>
           <li>
-            <strong>Linux</strong>
+            <strong>Linux/etc.</strong>
             <ul>
               <li><code>/usr/share/feh/fonts</code></li>
               <li><code>/usr/share/fonts</code></li>
@@ -768,7 +768,60 @@
           </h2>
         </header>
 
-        <p>...</p>
+        <p>
+          
+          Tux Paint utilizes <cite>FontConfig</cite> to find additional system-wide and user-specific fonts that the 'Text' and 'Label' tools might be able to use (unless the "<code>--nosysfonts</code>" option is set).  It does this by looking for <cite>FontConfig</cite> configuration files ("<code>fonts.conf</code>") in various locations.        </p>
+
+        <ul>
+          <li>
+            <strong>Windows</strong>
+            <ul>
+              <li>
+                The "<code>etc/fonts/fonts.conf</code>" file included with Tux Paint.              </li>
+            </ul>
+          </li>
+          <li>
+            <strong>macOS</strong>
+            <ul>
+              <li>
+                The path specified by the "<code>FONTCONFIG_PATH</code>" environment variable, if set.               </li>
+            </ul>
+          </li>
+          <li>
+            <strong>Haiku</strong>
+            <ul>
+              <li><code>/boot/system/settings/fonts/fonts.conf</code></li>
+            </ul>
+          </li>
+          <li>
+            <strong>Linux/etc.</strong>
+            <ul>
+              <li>
+                The path specified by the "<code>FONTCONFIG_PATH</code>" environment variable, if set.               </li>
+              <li>
+                If the above fails, then "<code>/etc/fonts/fonts.conf</code>".              </li>
+              <li>
+                The path specified by the "<code>XDG_CONFIG_HOME</code>" environment variable, if set. There, it looks for the file "<code>fontconfig/fonts.conf</code>".              </li>
+              <li>
+                If the above fails, then "<code>$HOME/.config/fontconfig/fonts.conf</code>".              </li>
+            </ul>
+          </li>
+        </ul>
+
+        <p>
+          Each FontConfig configuration file ("<code>fonts.conf</code>") is examined for "<code>&lt;dir&gt;</code>" tags that specify directory (folder) paths where fonts might be found, and Tux Paint scans them and loads the fonts.  If a "<code>prefix</code>" attribute is included in the tag, Tux Paint prefixes the path accordingly.          <dl>
+            <dt><code>xdg</code></dt>
+            <dd>
+              The directory path specified is considered to be relative to the user's local data path, specified by the "<code>XDG_DATA_HOME</code>" environment variable. If not set, then "<code>.local/share</code>" under the path specified by the "<code>HOME</code>" environment variable will be used, if it exists.            </dd>
+            <dt><code>relative</code></dt>
+            <dd>
+              The directory path specified is considered to be relative to the configuration file itself.            </dd>
+            <dt>
+              <code>default</code>, <code>cwd</code>, or no "<code>prefix</code>" attribute specified            </dt>
+            <dd>
+              The directory path specified is considered to be relative to the current working directory (where Tux Paint is running), unless a root path is included at the start (e.g., "/", "C:\\", etc.)            </dd>
+          </ul>
+        </p>
       </section><!-- H2: FontConfig -->
 
     </section><!-- H1: Fonts -->
diff --git a/docs/gl_ES.UTF-8/html/EXTENDING.html b/docs/gl_ES.UTF-8/html/EXTENDING.html
index b1e5ab8d8..3499a3c94 100644
--- a/docs/gl_ES.UTF-8/html/EXTENDING.html
+++ b/docs/gl_ES.UTF-8/html/EXTENDING.html
@@ -710,7 +710,7 @@
               <li>
                 The location specified by the "<code>Fonts</code>" option of the "<code>Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders</code>" Windows Registry key.               </li>
               <li>
-                If the above fails, then "C:\WINDOWS\FONTS".              </li>
+                If the above fails, then "<code>C:\WINDOWS\FONTS</code>".              </li>
               <li>
                 The location specified by the "<code>Local AppData</code>" option of the "<code>Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders</code>" Windows Registry key. The path "<code>\Microsoft\Windows\Fonts</code>" is appended to that location.              </li>
             </ul>
@@ -743,7 +743,7 @@
             </p>
           </li>
           <li>
-            <strong>Linux</strong>
+            <strong>Linux/etc.</strong>
             <ul>
               <li><code>/usr/share/feh/fonts</code></li>
               <li><code>/usr/share/fonts</code></li>
@@ -768,7 +768,60 @@
           </h2>
         </header>
 
-        <p>...</p>
+        <p>
+          
+          Tux Paint utilizes <cite>FontConfig</cite> to find additional system-wide and user-specific fonts that the 'Text' and 'Label' tools might be able to use (unless the "<code>--nosysfonts</code>" option is set).  It does this by looking for <cite>FontConfig</cite> configuration files ("<code>fonts.conf</code>") in various locations.        </p>
+
+        <ul>
+          <li>
+            <strong>Windows</strong>
+            <ul>
+              <li>
+                The "<code>etc/fonts/fonts.conf</code>" file included with Tux Paint.              </li>
+            </ul>
+          </li>
+          <li>
+            <strong>macOS</strong>
+            <ul>
+              <li>
+                The path specified by the "<code>FONTCONFIG_PATH</code>" environment variable, if set.               </li>
+            </ul>
+          </li>
+          <li>
+            <strong>Haiku</strong>
+            <ul>
+              <li><code>/boot/system/settings/fonts/fonts.conf</code></li>
+            </ul>
+          </li>
+          <li>
+            <strong>Linux/etc.</strong>
+            <ul>
+              <li>
+                The path specified by the "<code>FONTCONFIG_PATH</code>" environment variable, if set.               </li>
+              <li>
+                If the above fails, then "<code>/etc/fonts/fonts.conf</code>".              </li>
+              <li>
+                The path specified by the "<code>XDG_CONFIG_HOME</code>" environment variable, if set. There, it looks for the file "<code>fontconfig/fonts.conf</code>".              </li>
+              <li>
+                If the above fails, then "<code>$HOME/.config/fontconfig/fonts.conf</code>".              </li>
+            </ul>
+          </li>
+        </ul>
+
+        <p>
+          Each FontConfig configuration file ("<code>fonts.conf</code>") is examined for "<code>&lt;dir&gt;</code>" tags that specify directory (folder) paths where fonts might be found, and Tux Paint scans them and loads the fonts.  If a "<code>prefix</code>" attribute is included in the tag, Tux Paint prefixes the path accordingly.          <dl>
+            <dt><code>xdg</code></dt>
+            <dd>
+              The directory path specified is considered to be relative to the user's local data path, specified by the "<code>XDG_DATA_HOME</code>" environment variable. If not set, then "<code>.local/share</code>" under the path specified by the "<code>HOME</code>" environment variable will be used, if it exists.            </dd>
+            <dt><code>relative</code></dt>
+            <dd>
+              The directory path specified is considered to be relative to the configuration file itself.            </dd>
+            <dt>
+              <code>default</code>, <code>cwd</code>, or no "<code>prefix</code>" attribute specified            </dt>
+            <dd>
+              The directory path specified is considered to be relative to the current working directory (where Tux Paint is running), unless a root path is included at the start (e.g., "/", "C:\\", etc.)            </dd>
+          </ul>
+        </p>
       </section><!-- H2: FontConfig -->
 
     </section><!-- H1: Fonts -->
diff --git a/docs/is_IS.UTF-8/html/EXTENDING.html b/docs/is_IS.UTF-8/html/EXTENDING.html
index 63d8d5b7e..819fcd4c8 100644
--- a/docs/is_IS.UTF-8/html/EXTENDING.html
+++ b/docs/is_IS.UTF-8/html/EXTENDING.html
@@ -710,7 +710,7 @@
               <li>
                 The location specified by the "<code>Fonts</code>" option of the "<code>Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders</code>" Windows Registry key.               </li>
               <li>
-                If the above fails, then "C:\WINDOWS\FONTS".              </li>
+                If the above fails, then "<code>C:\WINDOWS\FONTS</code>".              </li>
               <li>
                 The location specified by the "<code>Local AppData</code>" option of the "<code>Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders</code>" Windows Registry key. The path "<code>\Microsoft\Windows\Fonts</code>" is appended to that location.              </li>
             </ul>
@@ -743,7 +743,7 @@
             </p>
           </li>
           <li>
-            <strong>Linux</strong>
+            <strong>Linux/etc.</strong>
             <ul>
               <li><code>/usr/share/feh/fonts</code></li>
               <li><code>/usr/share/fonts</code></li>
@@ -768,7 +768,60 @@
           </h2>
         </header>
 
-        <p>...</p>
+        <p>
+          
+          Tux Paint utilizes <cite>FontConfig</cite> to find additional system-wide and user-specific fonts that the 'Text' and 'Label' tools might be able to use (unless the "<code>--nosysfonts</code>" option is set).  It does this by looking for <cite>FontConfig</cite> configuration files ("<code>fonts.conf</code>") in various locations.        </p>
+
+        <ul>
+          <li>
+            <strong>Windows</strong>
+            <ul>
+              <li>
+                The "<code>etc/fonts/fonts.conf</code>" file included with Tux Paint.              </li>
+            </ul>
+          </li>
+          <li>
+            <strong>macOS</strong>
+            <ul>
+              <li>
+                The path specified by the "<code>FONTCONFIG_PATH</code>" environment variable, if set.               </li>
+            </ul>
+          </li>
+          <li>
+            <strong>Haiku</strong>
+            <ul>
+              <li><code>/boot/system/settings/fonts/fonts.conf</code></li>
+            </ul>
+          </li>
+          <li>
+            <strong>Linux/etc.</strong>
+            <ul>
+              <li>
+                The path specified by the "<code>FONTCONFIG_PATH</code>" environment variable, if set.               </li>
+              <li>
+                If the above fails, then "<code>/etc/fonts/fonts.conf</code>".              </li>
+              <li>
+                The path specified by the "<code>XDG_CONFIG_HOME</code>" environment variable, if set. There, it looks for the file "<code>fontconfig/fonts.conf</code>".              </li>
+              <li>
+                If the above fails, then "<code>$HOME/.config/fontconfig/fonts.conf</code>".              </li>
+            </ul>
+          </li>
+        </ul>
+
+        <p>
+          Each FontConfig configuration file ("<code>fonts.conf</code>") is examined for "<code>&lt;dir&gt;</code>" tags that specify directory (folder) paths where fonts might be found, and Tux Paint scans them and loads the fonts.  If a "<code>prefix</code>" attribute is included in the tag, Tux Paint prefixes the path accordingly.          <dl>
+            <dt><code>xdg</code></dt>
+            <dd>
+              The directory path specified is considered to be relative to the user's local data path, specified by the "<code>XDG_DATA_HOME</code>" environment variable. If not set, then "<code>.local/share</code>" under the path specified by the "<code>HOME</code>" environment variable will be used, if it exists.            </dd>
+            <dt><code>relative</code></dt>
+            <dd>
+              The directory path specified is considered to be relative to the configuration file itself.            </dd>
+            <dt>
+              <code>default</code>, <code>cwd</code>, or no "<code>prefix</code>" attribute specified            </dt>
+            <dd>
+              The directory path specified is considered to be relative to the current working directory (where Tux Paint is running), unless a root path is included at the start (e.g., "/", "C:\\", etc.)            </dd>
+          </ul>
+        </p>
       </section><!-- H2: FontConfig -->
 
     </section><!-- H1: Fonts -->
diff --git a/docs/ja_JP.UTF-8/html/EXTENDING.html b/docs/ja_JP.UTF-8/html/EXTENDING.html
index 3efe0e7d9..19e140e0e 100644
--- a/docs/ja_JP.UTF-8/html/EXTENDING.html
+++ b/docs/ja_JP.UTF-8/html/EXTENDING.html
@@ -710,7 +710,7 @@
               <li>
                 The location specified by the "<code>Fonts</code>" option of the "<code>Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders</code>" Windows Registry key.               </li>
               <li>
-                If the above fails, then "C:\WINDOWS\FONTS".              </li>
+                If the above fails, then "<code>C:\WINDOWS\FONTS</code>".              </li>
               <li>
                 The location specified by the "<code>Local AppData</code>" option of the "<code>Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders</code>" Windows Registry key. The path "<code>\Microsoft\Windows\Fonts</code>" is appended to that location.              </li>
             </ul>
@@ -743,7 +743,7 @@
             </p>
           </li>
           <li>
-            <strong>Linux</strong>
+            <strong>Linux/etc.</strong>
             <ul>
               <li><code>/usr/share/feh/fonts</code></li>
               <li><code>/usr/share/fonts</code></li>
@@ -768,7 +768,60 @@
           </h2>
         </header>
 
-        <p>...</p>
+        <p>
+          
+          Tux Paint utilizes <cite>FontConfig</cite> to find additional system-wide and user-specific fonts that the 'Text' and 'Label' tools might be able to use (unless the "<code>--nosysfonts</code>" option is set).  It does this by looking for <cite>FontConfig</cite> configuration files ("<code>fonts.conf</code>") in various locations.        </p>
+
+        <ul>
+          <li>
+            <strong>Windows</strong>
+            <ul>
+              <li>
+                The "<code>etc/fonts/fonts.conf</code>" file included with Tux Paint.              </li>
+            </ul>
+          </li>
+          <li>
+            <strong>macOS</strong>
+            <ul>
+              <li>
+                The path specified by the "<code>FONTCONFIG_PATH</code>" environment variable, if set.               </li>
+            </ul>
+          </li>
+          <li>
+            <strong>Haiku</strong>
+            <ul>
+              <li><code>/boot/system/settings/fonts/fonts.conf</code></li>
+            </ul>
+          </li>
+          <li>
+            <strong>Linux/etc.</strong>
+            <ul>
+              <li>
+                The path specified by the "<code>FONTCONFIG_PATH</code>" environment variable, if set.               </li>
+              <li>
+                If the above fails, then "<code>/etc/fonts/fonts.conf</code>".              </li>
+              <li>
+                The path specified by the "<code>XDG_CONFIG_HOME</code>" environment variable, if set. There, it looks for the file "<code>fontconfig/fonts.conf</code>".              </li>
+              <li>
+                If the above fails, then "<code>$HOME/.config/fontconfig/fonts.conf</code>".              </li>
+            </ul>
+          </li>
+        </ul>
+
+        <p>
+          Each FontConfig configuration file ("<code>fonts.conf</code>") is examined for "<code>&lt;dir&gt;</code>" tags that specify directory (folder) paths where fonts might be found, and Tux Paint scans them and loads the fonts.  If a "<code>prefix</code>" attribute is included in the tag, Tux Paint prefixes the path accordingly.          <dl>
+            <dt><code>xdg</code></dt>
+            <dd>
+              The directory path specified is considered to be relative to the user's local data path, specified by the "<code>XDG_DATA_HOME</code>" environment variable. If not set, then "<code>.local/share</code>" under the path specified by the "<code>HOME</code>" environment variable will be used, if it exists.            </dd>
+            <dt><code>relative</code></dt>
+            <dd>
+              The directory path specified is considered to be relative to the configuration file itself.            </dd>
+            <dt>
+              <code>default</code>, <code>cwd</code>, or no "<code>prefix</code>" attribute specified            </dt>
+            <dd>
+              The directory path specified is considered to be relative to the current working directory (where Tux Paint is running), unless a root path is included at the start (e.g., "/", "C:\\", etc.)            </dd>
+          </ul>
+        </p>
       </section><!-- H2: FontConfig -->
 
     </section><!-- H1: Fonts -->
diff --git a/docs/sq_AL.UTF-8/html/EXTENDING.html b/docs/sq_AL.UTF-8/html/EXTENDING.html
index 1eaf83c4a..ea886abd7 100644
--- a/docs/sq_AL.UTF-8/html/EXTENDING.html
+++ b/docs/sq_AL.UTF-8/html/EXTENDING.html
@@ -710,7 +710,7 @@
               <li>
                 The location specified by the "<code>Fonts</code>" option of the "<code>Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders</code>" Windows Registry key.               </li>
               <li>
-                If the above fails, then "C:\WINDOWS\FONTS".              </li>
+                If the above fails, then "<code>C:\WINDOWS\FONTS</code>".              </li>
               <li>
                 The location specified by the "<code>Local AppData</code>" option of the "<code>Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders</code>" Windows Registry key. The path "<code>\Microsoft\Windows\Fonts</code>" is appended to that location.              </li>
             </ul>
@@ -743,7 +743,7 @@
             </p>
           </li>
           <li>
-            <strong>Linux</strong>
+            <strong>Linux/etc.</strong>
             <ul>
               <li><code>/usr/share/feh/fonts</code></li>
               <li><code>/usr/share/fonts</code></li>
@@ -768,7 +768,60 @@
           </h2>
         </header>
 
-        <p>...</p>
+        <p>
+          
+          Tux Paint utilizes <cite>FontConfig</cite> to find additional system-wide and user-specific fonts that the 'Text' and 'Label' tools might be able to use (unless the "<code>--nosysfonts</code>" option is set).  It does this by looking for <cite>FontConfig</cite> configuration files ("<code>fonts.conf</code>") in various locations.        </p>
+
+        <ul>
+          <li>
+            <strong>Windows</strong>
+            <ul>
+              <li>
+                The "<code>etc/fonts/fonts.conf</code>" file included with Tux Paint.              </li>
+            </ul>
+          </li>
+          <li>
+            <strong>macOS</strong>
+            <ul>
+              <li>
+                The path specified by the "<code>FONTCONFIG_PATH</code>" environment variable, if set.               </li>
+            </ul>
+          </li>
+          <li>
+            <strong>Haiku</strong>
+            <ul>
+              <li><code>/boot/system/settings/fonts/fonts.conf</code></li>
+            </ul>
+          </li>
+          <li>
+            <strong>Linux/etc.</strong>
+            <ul>
+              <li>
+                The path specified by the "<code>FONTCONFIG_PATH</code>" environment variable, if set.               </li>
+              <li>
+                If the above fails, then "<code>/etc/fonts/fonts.conf</code>".              </li>
+              <li>
+                The path specified by the "<code>XDG_CONFIG_HOME</code>" environment variable, if set. There, it looks for the file "<code>fontconfig/fonts.conf</code>".              </li>
+              <li>
+                If the above fails, then "<code>$HOME/.config/fontconfig/fonts.conf</code>".              </li>
+            </ul>
+          </li>
+        </ul>
+
+        <p>
+          Each FontConfig configuration file ("<code>fonts.conf</code>") is examined for "<code>&lt;dir&gt;</code>" tags that specify directory (folder) paths where fonts might be found, and Tux Paint scans them and loads the fonts.  If a "<code>prefix</code>" attribute is included in the tag, Tux Paint prefixes the path accordingly.          <dl>
+            <dt><code>xdg</code></dt>
+            <dd>
+              The directory path specified is considered to be relative to the user's local data path, specified by the "<code>XDG_DATA_HOME</code>" environment variable. If not set, then "<code>.local/share</code>" under the path specified by the "<code>HOME</code>" environment variable will be used, if it exists.            </dd>
+            <dt><code>relative</code></dt>
+            <dd>
+              The directory path specified is considered to be relative to the configuration file itself.            </dd>
+            <dt>
+              <code>default</code>, <code>cwd</code>, or no "<code>prefix</code>" attribute specified            </dt>
+            <dd>
+              The directory path specified is considered to be relative to the current working directory (where Tux Paint is running), unless a root path is included at the start (e.g., "/", "C:\\", etc.)            </dd>
+          </ul>
+        </p>
       </section><!-- H2: FontConfig -->
 
     </section><!-- H1: Fonts -->
diff --git a/docs/sv_SE.UTF-8/html/EXTENDING.html b/docs/sv_SE.UTF-8/html/EXTENDING.html
index 858671ac9..9aee13efc 100644
--- a/docs/sv_SE.UTF-8/html/EXTENDING.html
+++ b/docs/sv_SE.UTF-8/html/EXTENDING.html
@@ -710,7 +710,7 @@
               <li>
                 The location specified by the "<code>Fonts</code>" option of the "<code>Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders</code>" Windows Registry key.               </li>
               <li>
-                If the above fails, then "C:\WINDOWS\FONTS".              </li>
+                If the above fails, then "<code>C:\WINDOWS\FONTS</code>".              </li>
               <li>
                 The location specified by the "<code>Local AppData</code>" option of the "<code>Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders</code>" Windows Registry key. The path "<code>\Microsoft\Windows\Fonts</code>" is appended to that location.              </li>
             </ul>
@@ -743,7 +743,7 @@
             </p>
           </li>
           <li>
-            <strong>Linux</strong>
+            <strong>Linux/etc.</strong>
             <ul>
               <li><code>/usr/share/feh/fonts</code></li>
               <li><code>/usr/share/fonts</code></li>
@@ -768,7 +768,60 @@
           </h2>
         </header>
 
-        <p>...</p>
+        <p>
+          
+          Tux Paint utilizes <cite>FontConfig</cite> to find additional system-wide and user-specific fonts that the 'Text' and 'Label' tools might be able to use (unless the "<code>--nosysfonts</code>" option is set).  It does this by looking for <cite>FontConfig</cite> configuration files ("<code>fonts.conf</code>") in various locations.        </p>
+
+        <ul>
+          <li>
+            <strong>Windows</strong>
+            <ul>
+              <li>
+                The "<code>etc/fonts/fonts.conf</code>" file included with Tux Paint.              </li>
+            </ul>
+          </li>
+          <li>
+            <strong>macOS</strong>
+            <ul>
+              <li>
+                The path specified by the "<code>FONTCONFIG_PATH</code>" environment variable, if set.               </li>
+            </ul>
+          </li>
+          <li>
+            <strong>Haiku</strong>
+            <ul>
+              <li><code>/boot/system/settings/fonts/fonts.conf</code></li>
+            </ul>
+          </li>
+          <li>
+            <strong>Linux/etc.</strong>
+            <ul>
+              <li>
+                The path specified by the "<code>FONTCONFIG_PATH</code>" environment variable, if set.               </li>
+              <li>
+                If the above fails, then "<code>/etc/fonts/fonts.conf</code>".              </li>
+              <li>
+                The path specified by the "<code>XDG_CONFIG_HOME</code>" environment variable, if set. There, it looks for the file "<code>fontconfig/fonts.conf</code>".              </li>
+              <li>
+                If the above fails, then "<code>$HOME/.config/fontconfig/fonts.conf</code>".              </li>
+            </ul>
+          </li>
+        </ul>
+
+        <p>
+          Each FontConfig configuration file ("<code>fonts.conf</code>") is examined for "<code>&lt;dir&gt;</code>" tags that specify directory (folder) paths where fonts might be found, and Tux Paint scans them and loads the fonts.  If a "<code>prefix</code>" attribute is included in the tag, Tux Paint prefixes the path accordingly.          <dl>
+            <dt><code>xdg</code></dt>
+            <dd>
+              The directory path specified is considered to be relative to the user's local data path, specified by the "<code>XDG_DATA_HOME</code>" environment variable. If not set, then "<code>.local/share</code>" under the path specified by the "<code>HOME</code>" environment variable will be used, if it exists.            </dd>
+            <dt><code>relative</code></dt>
+            <dd>
+              The directory path specified is considered to be relative to the configuration file itself.            </dd>
+            <dt>
+              <code>default</code>, <code>cwd</code>, or no "<code>prefix</code>" attribute specified            </dt>
+            <dd>
+              The directory path specified is considered to be relative to the current working directory (where Tux Paint is running), unless a root path is included at the start (e.g., "/", "C:\\", etc.)            </dd>
+          </ul>
+        </p>
       </section><!-- H2: FontConfig -->
 
     </section><!-- H1: Fonts -->