Replace &copy; with unicode decimal code entity (#161)

KeyWeeUsr · web-flow · commit 166d6e70ce9d · 2024-01-08T03:42:11.000Z
fixes missing "copy" entity in ePub format, ref: https://www.codetable.net/decimal/169
diff --git a/alabaster/layout.html b/alabaster/layout.html
@@ -87,7 +87,7 @@
 
 {%- block footer %}
     <div class="footer">
-      {% if show_copyright %}&copy;{{ copyright }}.{% endif %}
+      {% if show_copyright %}&#169;{{ copyright }}.{% endif %}
       {% if show_sphinx %}
       {% if show_copyright %}|{% endif %}
       Powered by <a href="https://www.sphinx-doc.org/">Sphinx {{ sphinx_version }}</a>
