1. CSS font-size-adjust

    Method of adjusting the font size in a matter that relates to the height of lowercase vs. uppercase letters. This makes it easier to set the size of fallback fonts.

  2. xmlhttprequest api: getallresponseheaders: header names returned in all lower case

  3. css property: text-transform: lowercase

  4. css property: text-transform: `Σ` → `σ` or word-final `ς`

  5. javascript built-in: string: tolocalelowercase

  6. javascript built-in: string: tolocalelowercase: `locales` parameter

  7. javascript built-in: string: tolowercase