I really like the TAL, TALES, METAL syntaxes (also known as Zope Page Templates). There are implementations of these syntaxes in a wide variety of languages, th

I really like the TAL, TALES, METAL syntaxes (also known as Zope Page Templates). There are implementations of these syntaxes in a wide variety of languages, the one I use most is the Python implementation known as Chameleon: https://chameleon.readthedocs.io/en/latest/ https://chameleon.readthedocs.io/en/latest/