core.xml: Wrap a Define directive sentence in a <note>
@@ -818,9 +818,11 @@ DocumentRoot "/var/www/${servername}/htdocs"
<p>Variable names may not contain colon ":" characters, to avoid clashes
with <directive module="mod_rewrite">RewriteMap</directive>'s syntax.</p>
+ <note><title>Virtual Host scope and pitfalls</title>
<p>While this directive is supported in virtual host context,
the changes it makes are visible to any later configuration
directives, beyond any enclosing virtual host.</p>
+ </note>
</usage>
</directivesynopsis>
