What types of files are you syncing that have those characters in their names?
Personal notes, and tons of academic papers and ebooks, all of which might contain question marks and colons. Occasionally, I also use arrows -> in travel itineraries / ticket PDFs.
Personal notes, and tons of academic papers and ebooks, all of which might contain question marks and colons. Occasionally, I also use arrows -> in travel itineraries / ticket PDFs.