Display this alert for the user.
This function displays a dialog box with your string (a custom message) and the OK button. To display more than one line of text, use the new-line character (\n) in the string. to separate lines of text.
Examples
| Code | Returns |
|---|---|
| (alert "You must select an option") | You must select an option |
| (alert "Select an option: \n M or F") |
Select an option: M or F |
NOTE Since all dialog boxes must accommodate small, 640 x 480-pixel displays, it's a good idea to keep the alert text brief and to the point.
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Programming Overview of LISP (LISt Processing) Language
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