Tab instead of space is not handled

[synCKun]

tab is handled in list but not in graph, causing display issues.

[nus-pe-bot]

Team's Response

This is merely a cosmetic problem, functionalities still work as they should.

Items for the Tester to Verify

:question: Issue severity

Team chose [severity.VeryLow] Originally [severity.Low]

• [ ] I disagree

Reason for disagreement: [replace this with your reason]

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