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+ <h3 class="section">Dynamically Loaded Libraries</h3>  <p>A <em>dynamically loaded library</em> is a library that is loaded on demand, when its facilities are first needed. Emacs supports such on-demand loading of support libraries for some of its features. </p> <dl> <dt id="dynamic-library-alist">Variable: <strong>dynamic-library-alist</strong>
+</dt> <dd>
+<p>This is an alist of dynamic libraries and external library files implementing them. </p> <p>Each element is a list of the form <code>(<var>library</var> <var>files</var>…)</code>, where the <code>car</code> is a symbol representing a supported external library, and the rest are strings giving alternate filenames for that library. </p> <p>Emacs tries to load the library from the files in the order they appear in the list; if none is found, the Emacs session won’t have access to that library, and the features it provides will be unavailable. </p> <p>Image support on some platforms uses this facility. Here’s an example of setting this variable for supporting images on MS-Windows: </p> <div class="example"> <pre class="example">(setq dynamic-library-alist
+      '((xpm "libxpm.dll" "xpm4.dll" "libXpm-nox4.dll")
+        (png "libpng12d.dll" "libpng12.dll" "libpng.dll"
+             "libpng13d.dll" "libpng13.dll")
+        (jpeg "jpeg62.dll" "libjpeg.dll" "jpeg-62.dll"
+              "jpeg.dll")
+        (tiff "libtiff3.dll" "libtiff.dll")
+        (gif "giflib4.dll" "libungif4.dll" "libungif.dll")
+        (svg "librsvg-2-2.dll")
+        (gdk-pixbuf "libgdk_pixbuf-2.0-0.dll")
+        (glib "libglib-2.0-0.dll")
+        (gobject "libgobject-2.0-0.dll")))
+</pre>
+</div> <p>Note that image types <code>pbm</code> and <code>xbm</code> do not need entries in this variable because they do not depend on external libraries and are always available in Emacs. </p> <p>Also note that this variable is not meant to be a generic facility for accessing external libraries; only those already known by Emacs can be loaded through it. </p> <p>This variable is ignored if the given <var>library</var> is statically linked into Emacs. </p>
+</dd>
+</dl><div class="_attribution">
+  <p class="_attribution-p">
+    Copyright &copy; 1990-1996, 1998-2022 Free Software Foundation, Inc. <br>Licensed under the GNU GPL license.<br>
+    <a href="https://www.gnu.org/software/emacs/manual/html_node/elisp/Dynamic-Libraries.html" class="_attribution-link">https://www.gnu.org/software/emacs/manual/html_node/elisp/Dynamic-Libraries.html</a>
+  </p>
+</div>