Feature request #6906
An option to avoid digitize repeated nodes and auto-intersections
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It would be very nice if:
- when digitizing a line or a polygon a (not on purpose) double click would not create two exactly overlapping nodes
- there was an option (inside snapping options) to allow the user choose to have QGIS refuse to allow do self intersections: ideally this option should produce an effect that works the opposite way as the snapping.