with with multiple expressions

[% with title='Hello World' { fill site/header fill site/content fill toolbar/developer if user.role.developer } %] --EOF--
look inside...
Thus Spake Andy:

Splitting INCLUDE into separate with and fill commands gives us more flexibility to combine them in different ways. We no longer needs hacks like TT2's INCLUDE foo + bar to be able to process two templates in the same local variable scope.