FAQ: What Symbol Table Entries Cannot Be Renamed or Modified? (AutoLISP)

Most entries in the symbol tables can be renamed or modified with a few exceptions.

The following table shows which symbol table entries cannot be modified or renamed, except that most LAYER symbol table entries can be renamed and xdata can be modified on all symbol table entries.

Symbol table entries that cannot be modified or renamed

Table

Entry name

VPORT

*ACTIVE

LINETYPE

CONTINUOUS

LAYER

Entries cannot be modified, except for xdata, but renaming is allowed

The following entries cannot be renamed, but are otherwise modifiable:

Symbol table entries that cannot be renamed

Table

Entry name

STYLE

STANDARD

DIMSTYLE

STANDARD

BLOCKS

*MODEL_SPACE or *PAPER_SPACE

APPID

No entries can be renamed