Technotes
TEScroll Bug
Revised by: March 1988
Written by: Bryan Stearns April 1986
A bug in TextEdit causes the following problem: a call to TEScroll
with no horizontal or vertical displacement (that is, both dh and
dv set to zero) results in disappearance of the insertion point. Since
such calls do nothing, they should be avoided:
IF (dh <> 0) OR (dv <> 0) THEN TEScroll(dh,dv,myTEHandle);
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