QIntValidator handels leading "0" differently, depending on the digits that follows the "0"

Test
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• Create a lineEdit object with assigned QIntValidatir like this:

ui->lineEdit->setValidator(new QIntValidator(0, 999999, this));

• Insert different numbers with leading zeros. Most are accepted as they are, with some the QIntValidator deletes the leading zeros
  00123 => 00123
  00128 => 128
  001587 => 1.587

Conclusion
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All numbers that have leasing zeros and contain either the digit 8 or the digit 9 get reformatted by the QIntValidator

Suggestion
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Please make the QIntValidator to always delete the leading zeros without inserting a decimal.