Here's what I have in mind. We have a landing page and want to specify which campaign this is about all the while reusing most of the content:
# The landing page title
Welcome people from this campaign
[VARIABLE name=value]
[IMPORT section1] # {name: value} is added to the variables passed here.
[IMPORT section2]
[IMPORT section3]
Here's what I have in mind. We have a landing page and want to specify which campaign this is about all the while reusing most of the content: