You can have unparseable structures that are built upon using special, one time hacks for various cases and things you want out. "Parsing ... is the process of

You can have unparseable structures that are built upon using special, one time hacks for various cases and things you want out. "Parsing ... is the process of analyzing a string of symbols ... conforming to a formal grammar." [1] Wikipedia content is most definitely not a formal grammar in any usable meaning of the terms. This is why it's a nightmare to work with, and why it's not parseable using the correct meaning of parseable. [1] https://en.wikipedia.org/wiki/Parsing https://en.wikipedia.org/wiki/Parsing