Escape ampersand in PL/SQL Developer

At the bottom of a SQL window there is a button to disable/enable substitution variables:

One of the features of PL/SQL Developer which it takes time to get familiar with is the plethora of different window types.

One of these is the COMMAND window, which is basically a SQL*Plus emulator. We can run SQL*Plus commands as well as SQL, so SET ESCAPE, SET DEFINE and indeed SET SCAN OFF work in that window.

How I solved it is escaping the & with another &.

For example:

INSERT INTO Foo (Bar) VALUES ('Up && Away');

Works nicely. Thanks for all the help