[Meta] Need to cleanup Position, VisiblePosition, TextIterator, and visible_units 
https://bugs.webkit.org/show_bug.cgi?id=52098
Summary [Meta] Need to cleanup Position, VisiblePosition, TextIterator, and visible_u...
Ryosuke Niwa
Reported 2011-01-07 18:13:03 PST
Right now, Position, VisiblePosition, and TextIterator each implements a logic to walk DOM tree visually. Each one provides slightly different functionality and each has its own quirks. Because we have lot of inconsistencies and interdependencies, it has been a burden on people working on editing code. We should cleanup these 3 classes in addition to functions provided in visible_units.cpp for Position/VisiblePosition.
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