application allows editing to the same value

[nus-pe-bot]

the application allows editing a field to the exact same value it was before, which does not make much sense. in this case phone number is edited, but other fields face the same issue

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_{[original: nus-cs2113-AY2324S2/pe-interim#105] [original labels: severity.Low type.FunctionalityBug]}

[tayponghee]

Team's Response

This is of the expected behaviour that our program should output in this use case. Since the original value of the phone number is already valid, it is by design choice to allow the user to reinput the same phone number when trying to edit it.

Duplicate status (if any):

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