[mod] remove indentation level
[mod] DRY
[mod] add intent comment
[enh] start to handle the remove of else_node
[enh] okay, remove else_node followed on root level works out of the box (else is not greedy here)
[fix] bad parent
[enh] now with indentation
[enh] add test for indented followed for remove of else setattr
[mod] update TODO