Question about title case conversion

I don't understand this part of the CSL primer (https://docs.citationstyles.org/en/stable/specification.html#sentence-case-conversion):
https://s3.amazonaws.com/zotero.org/images/forums/u968689/79wwribd8kuk8zmds51a.png

Suppose the word "WTO" appears in a book title that I have otherwise entered in sentence case, as recommended. Most citation formats will want title case. How will title case render "WTO"? The first sentence suggests it will be rendered "Wto", since it's an uppercase string. The second sentence suggests it will be rendered "WTO", since "the case of words in mixed or uppercase stays the same". I find this confusing and don't understand it.

Is some additional tweak necessary in a citation format to make sure that anything I have intentionally capitalized in the Zotero entry stays capitalized no matter whether the format wants sentence case or title case?



  • String here refers to the entire string being converted, so case 1 would only apply to an all caps title like "THE WTO IS TO BLAME!" (and then indeed incorrectly lower WTO to WTO)
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