explicit-page-width

Arguments: window-or-widget

Returns the page-width that has been explicitly specified for window with either the (setf page-width) function or the :page-width initarg.

If page-width has not been explicitly specified, then nil is returned.

(The function page-width, on the other hand, always returns the actual effective width that is in use.)

See also default-page-width. (And page-height, explicit-page-height and default-page-height.)

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Created 2019.8.20.