Follow-up from "New RELEASE to fix some OAI-PMH IDIOM issues and refactorments": For 4+ letter acronyms, use mixed case

The following discussion from !69 should be addressed:

• @uveentj started a discussion:

  For 4+ letter acronyms, use mixed case. says https://stackoverflow.com/a/7366332

changed milestone to %2023 Winter Release

changed title from Follow-up from "New RELEASE to fix some OAI-PMH IDIOM issues and refactorments" to Follow-up from "New RELEASE to fix some OAI-PMH IDIOM issues and refactorments": For 4+ letter acronyms, use mixed case

created branch 70-follow-up-from-new-release-to-fix-some-oai-pmh-idiom-issues-and-refactorments-for-4-letter to address this issue

added classicmayan label

mentioned in commit f295b21f