diff --git a/docs/UsersManual.html b/docs/UsersManual.html
index 068fcaf..5ee52f6 100644
--- a/docs/UsersManual.html
+++ b/docs/UsersManual.html
@@ -597,6 +597,8 @@
 <h3 id="c_unsupp_gcc">Intentionally unsupported GCC extensions</h3>
 <!-- = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = -->
 
+<ul>
+
 <li>clang does not support the gcc extension that allows variable-length arrays
 in structures.  This is for a few of reasons: one, it is tricky
 to implement, two, the extension is completely undocumented, and three, the
@@ -620,6 +622,8 @@
 <li>clang does not support __builtin_apply and friends; this extension is
 extremely obscure and difficult to implement reliably.</li>
 
+</ul>
+
 <!-- = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = -->
 <h3 id="c_ms">Microsoft extensions</h3>
 <!-- = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = -->