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>