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Pretty sure IBM Websphere uses these characters in message queue encoding. When parsing raw messages from the MQ that were dropped in the logs I had an alias for ‘tr’ to convert them into printable ASCII to make them easier to understand.

I think I also delved into these for a `find -printf` command where the remote might have more than just spaces in their file names.

All still running in production right now.

@rimu @tychotithonus @gvwilson