a0d929ca_WSRP_v2_0_Specification__Statement_text
[#] CS151 [Section] 9.2.2.3 [Statement text] 
The Consumer MUST integrate placeholders for at least the portlet URL parameters wsrp-navigationalState, wsrp-mode and wsrp-windowState in its template.
WSRP v2.0 Specification
Statement text