Category: <b>runtime support</b>
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<pre><b>INT 2F - Kingswood TSR Windows - CLOSE WINDOW</b>

	AX = 3901h
	BL = 05h
Return: AX = error code (0000h if successful)
	SI,DI,DS,ES preserved
Notes:	Close the last opened TSR window.
SeeAlso: AH=39h/BL=00h,AX=3901h/BL=02h
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