@thatcks 2D slide presentations are only acceptable if <right>/<space> does a depth-first in-order traversal. Otherwise, spot on.
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@gumnos I wish such slide presentations would document <space> traversal. <right> is usually? always? part of the 2D movement. -
@thatcks For <right>, some properly do depth-first in-order traversal. Others are jerks and just traverse peer slides. Kinda hit-or-miss.
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Chris Siebenmann
Tim Chase