p5.28-datetime-format-w3cdtf

• If not done already, install MacPorts.
• To install p5.28-datetime-format-w3cdtf, run the following command in macOS terminal (Applications->Utilities->Terminal)
  
  sudo port install p5.28-datetime-format-w3cdtf Copy
• To see what files were installed by p5.28-datetime-format-w3cdtf, run:
  
  port contents p5.28-datetime-format-w3cdtf Copy
• To later upgrade p5.28-datetime-format-w3cdtf, run:
  
  sudo port selfupdate && sudo port upgrade p5.28-datetime-format-w3cdtf Copy

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