Rendered via overridden Layout, section "Main":

Overridden Default template.
Value of "foobar": This is foobar.

Rendering of partial, original:
Contents of FirstPartial.html
Value of "baz": This is foobar


Rendering of partial, overridden:
Overridden contents of SecondPartial.html
Value of "baz": This is foobar

# Sir's template is rendered above (315 bytes).