This Rule I Learned and Then Unlearned

Last week, as I was making final revisions to an article for an edited volume, I worked through all the very helpful comments from one of the volume editors in the margins of the document. I accepted all the suggested emendations until I got to this sentence:

If students can also look at dictionaries for world varieties (e.g., Cassidy and Le Page; Muller, Wright, and Silva), this can enrich discussions of the role dictionaries continue to play in standardizing — and legitimizing — new variet...