Lisp etiquette

[Anonymous]

Please can someone tell me why _. is used in front of a function call in lisp?

What difference does it make if _. is omitted?

(command "_.AUTOCAD_FUNCTION_CALL_HERE")

Not:

(command "AUTOCAD_FUNCTION_CALL_HERE")

[hmsilva · Accepted solution]

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@Anonymous wrote:

Please can someone tell me why _. is used in front of a function call in lisp?

What difference does it make if _. is omitted?

(command "_.AUTOCAD_FUNCTION_CALL_HERE")

Not:

(command "AUTOCAD_FUNCTION_CALL_HERE")

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Hi sbanister,

The '.' is to call the command even if it was 'undefined' and the '_' is to  call the original command in English...

Hope this helps,
Henrique