Misformat

There are many formatting mistakes one can make when creating a grammar without proper tool support. Mostly they revolve around mistypings, misspellings, misalignments, etc, and result in actual incorrect constructs in extracted grammars.

Related smells: TooNested

Reference

Mats Stijlaart and Vadim Zaytsev. 2017. Towards a taxonomy of grammar smells. In Proceedings of the 10th ACM SIGPLAN International Conference on Software Language Engineering (SLE 2017). ACM, New York, NY, USA, 43-54.