TOAD asks to give a value for the script variable when the script includes a '&' character. (4233756)

A package body is created in the SQL-window of TOAD, The package body sometimes contains an '&' sign as a part of a string.

For example :

DECLARE
l_report VARCHAR2(50);
BEGIN
l_report := '&report=reportname';
END;

The '&' sign is followed by something, but as a part of a string.
When the package body is compiled, TOAD asks to give a value for the script variable report. But '&report' is not a script variable, because it is a part of a string.

Test in SQL*Plus and the same issue occurs.

This is an Oracle issue - please contact Oracle for further information on this.