[- $self = shift -]
<h1>head from foo</h1>
<font size=[+ $self -> {fontsize} +]>title = [+ $self -> title +]<br>
-----------------------------
[- $self = shift -]
<h1>head from foo</h1>
<font size=[+ $self -> {fontsize} +]>title = [+ $self -> title +]<br>
-----------------------------