ATTREDEF command
Redefines a block and updates associated attributes.
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Description
Redefines an existing block reference, and updates any associated attributes, from new or existing entities and attributes available in the drawing.
The following rules apply to existing block references:
- New attributes use default values.
- Values of old attributes that are included in the new block definition are preserved.
- Old attributes that are not included in the new block definition are deleted.
- Format or property changes made with the ATTEDIT or EATTEDIT commands are removed.
- Extended data associated with the block are deleted.