Or can I change the line breaks throughout the file with a function?Yes, you can using LineBreak property of TString.
Or can I change the line breaks throughout the file with a function?Yes, you can using LineBreak property of TString.
https://www.freepascal.org/docs-html/rtl/classes/tstrings.linebreak.html
I succeeded in saving a stringlist to a file with linebreak set at #10, but I wonder if the usual #13#10 is also supported? The link indicates a single character is used, even if the variable is declared as a string.