static text
var1:#{a}:var1
var2:#{b.c.d}:var2
ex:#{ex e}#{f}#{end}:ex
!ex:#{!ex g}#{h}#{end}:!ex
eq:#{eq i 1}#{j}#{end}:eq
!eq:#{!eq k 2}#{l}#{end}:!eq
for:#{for m n}#{m}#{end}:for
in:#{in header.html}:in