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James, > I don't know if this is useful to you, but x5250 can be compiled to put an > '@' on the screen everytime it encounters a display attribute. This way > you could check to see if the attribute is there or not. There are times I found the old Test Mode switch on the front of the 5251-11 useful, as it would give the exact hex contents of each attribute byte plus show the difference betweeen blanks and nulls.
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