EXTNAMES (System Variable)

Sets the parameters for named object names (such as blocks, linetypes, and layers) stored in definition tables.

Type:Integer
Saved in:Drawing
Initial value:1

0

Uses Release 14 parameters, which limit names to 31 characters in length. Names can include the letters A to Z, the numerals 0 to 9, and the special characters dollar sign ($), underscore (_), and hyphen (-).

1

Uses Release 2000 (and later) parameters. Names can be up to 255 characters in length, and can include the letters A to Z, the numerals 0 to 9, spaces, and any special characters not used by the operating system and the product for other purposes.