USE-WINDOW-STYLE : FLAGUSE-WINDOW-STYLE is a flag or parameter.
If T, uses the style given by WINDOW-STYLE for output
to windows other than the main one. If NIL, windows will all be
in the style given by STYLE.
USE-WINDOW-STYLE takes values of type BOOLEAN.
It belongs to subjects PRINTING .
Its default value is T
Its current value is T.
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