="changed_modified_2_2">or
 escaping</span> appropriate to the markup language being rendered. <span class="changed_modified_2_2">When rendering
 in a WWW environment, the escaping conventions established in the W3C URI spec document
 &lt;<a href="http://www.w3.org/Addressing/URL/uri-spec.html">http://www.w3.org/Addressing/URL/uri-spec.html</a>&gt;
 must be followed. In particular, spaces ' ' must be encoded as %20 and not the plus character '+'.</span> This method
 may only be called after a call to <code>