(textbox association_list)
The textbox function allows the computation of the bounding box of a virtual text or an existing text entity in the current drawing.
association_list specifies an entity list describing a text string.
The function returns the bounding box corners of the text.
Example
: (textbox '((0 . "TEXT")(1 . "abc")(7 . "STANDARD")(40 . 0.2))) ((0.00 0.00 0.00) (0.48 0.13 0.00))