When adding data by hand in the textbox, the parser acts automatically before the data is entered

[fercook]

Trying to enter data writing it by hand, the parser acts automatically just after I write the first row and an entry for the first column in the second row.

Going from this:

To this:

Without any input from me. After this step, it is not clear how to edit the data to add more rows, and the user gets stuck.

A Parse button or some way to stop it automatically would be nice

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