I added a new folder "optional" where things that are merely optional but not required to perform metaprogramming are stored,
I moved the options chapter there since its in a good shape already anyways and added one on pretty printing, focusing especially on delaborators and unexpanders.
I added a new folder "optional" where things that are merely optional but not required to perform metaprogramming are stored, I moved the options chapter there since its in a good shape already anyways and added one on pretty printing, focusing especially on delaborators and unexpanders.