8. The optical scanning system of claim 7 wherein: said logic means includes means for determining apparent pairs of initiations and terminations of text lines within said swaths, for checking the separation between said apparent initiations and terminations, and for rejecting apparent pairs which do not meet pre-established separation criteria.
8. The optical scanning system of claim 7 wherein: said logic means includes means for determining apparent pairs of initiations and terminations of text lines within said swaths, for checking the separation between said apparent initiations and terminations, and for rejecting apparent pairs which do not meet pre-established separation criteria. 9. The optical scanning system of claim 8 wherein: said logic means is adapted to reject an apparent initiation following an apparent termination unless at least two black pixels in sequence follow at least two white pixels in sequence in the swath being scanned.