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At least one of our providers gives us messages with special characters escaped, ie a newline comes through as `\n`, not a literal newline. We shouldn’t be showing these backslashes to any of our users. Python has built in codecs for dealing with encoding/decoding of strings – see https://docs.python.org/3/library/codecs.html#text-encodings for details. Using these builtins is safer than trying to do anything regex or parsing-based.