The following list is shown to input which is 'jsf' by auto-completion.
For example, 'jsf_if_a=b' expression is expanded into:
<c:if test='${$1 == "$2"}'> $3 </c:if>
For example, 'jsf_if_a=b_else' expression is expanded into:
<c:if test='${$1 == "$2"}'> $3 </c:if> <c:if test='${$4 != "$5"}'> $6 </c:if>