separate warnings from special informational notes in the help

vimperator/locale/en-US/asciidoc.conf

@@ -82,7 +82,11 @@ argument2=<span class="argument">&#123;|&#125;</span>
 argument3=<span class="argument">[|]</span>
 
 [specialwords]
-warningwords=Warning: NOTE: Note:
+warningwords=WARNING: Warning:
+infowords=NOTE: Note:
 
 [warningwords]
 <span class="warning">{words}</span>
+
+[infowords]
+<span class="info">{words}</span>

vimperator/locale/en-US/xhtml11.css

@@ -311,6 +311,10 @@ span.warning {
   font-weight: bold;
   color: red;
 }
+span.info {
+  font-weight: bold;
+  color: blue;
+}
 fieldset.paypal {
     border: none;
 }