Challenges of language change and variation: towards an extended treebank of Medieval French Mathilde Regnault author Sophie Prévost author Eric Villemonte de la Clergerie author 2019-08 text Proceedings of the 18th International Workshop on Treebanks and Linguistic Theories (TLT, SyntaxFest 2019) Marie Candito editor Kilian Evang editor Stephan Oepen editor Djamé Seddah editor Association for Computational Linguistics Paris, France conference publication regnault-etal-2019-challenges 10.18653/v1/W19-7816 https://aclanthology.org/W19-7816/ 2019-08 144 150