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Guidelines

Deleting Elements

Delete DUC elements through the format's soft-deletion field while preserving IDs and document history.

Delete an Element

To delete an existing element, set its is_deleted field to true. That flag is sufficient.

Keep the element in the document with its original ID and relationships. Do not remove its record or rely on omission from an update, because omitted elements remain unchanged in patch-based workflows.

ducpy and SQL expose the field as is_deleted. Other adapters may use their language’s naming convention, such as isDeleted, for the same stored property.

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Coordinate Placement and Avoiding Overlaps

Place and update DUC elements without incorrect offsets, accidental duplicates, clipping, or unreadable stacking.

Styling Elements

Compose ordered backgrounds and strokes, control their visibility and geometry, and style closed paths within linear elements.