Event parser accept event name with no letter

[nus-se-script]

Event name with "." is accepted.

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_{[original: nus-cs2113-AY2324S2/pe-interim#1926] [original labels: severity.Low type.FunctionalityBug]}

[yeozhishen]

Team's Response

The input is valid. The command accepts any non-empty strings in the event description / event name. It could just be that the user decides to call the event "." and describe it as "." for brevity

Duplicate status (if any):

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