added protection against non-breaking spaces within tags
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 55bcbf0..8fafcc7 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -82,6 +82,7 @@
<li>Fixed a bug in which identifers were not being escaped properly when reserved characters were used.</li>
<li>Fixed a bug with the regular expression used to protect submitted paragraph tags in auto typography.</p>
<li>Fixed a bug where double dashes within tag attributes were being converted to em dash entities.</li>
+ <li>Fixed a bug where double spaces within tag attributes were being converted to non-breaking space entities.</li>
</ul>