while following the fast track tutorial I watched the "Creating your first language in JetBrains MPS" video (version from march 2015). After the great explanations in this video I looked at the related project in the delivered samples and detected some further topics beyond the scope of the video. A short search led me to the video "MPS basics - enhancing the language of constants", which is obviously an older one and the content differs from the current state of the sample project. Two questions:
1. Is there a chance that an updated version of the enhancements video will be released in the near future?
2. Are somewhere other hints or explanations to the enhancements of the constants language created in the current "Creating your first language" video? Especially I don't understand the ideas and relations between the ConstantReference, ConstantReferenceKeeper and DistantConstantReference concepts at this time.
Used version of MPS: 3.2.3
Thanks in advance for any help,