Capitalisation and Titles with Multiple Languages
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I posted a separate thread for a feature request to turn off capitalisation, which is not a question.
That makes threads two at most. I don't know how you arrive at 3 or 4?
You answered the problem in the Feature Request thread; and I responded to you there.
THIS thread can be closed, with the (interim) solution being the creation of a new style by editing the library style with the global replacement of text-case="title" with nothing and giving it a different name.