Subword-mode is a buffer-local minor mode. Enabling it remaps word-based editing commands to subword-based commands that handle symbols with mixed uppercase and lowercase letters, e.g. "GtkWidget", "EmacsFrameClass", "NSGraphicsContext". Here we call these mixed case symbols `nomenclatures'. Each capitalized (or completely uppercase) part of a nomenclature is called a `subword'. Here are some exam