Diff of QuickTime/Atom

• The added line is THIS COLOR.
• The deleted line is THIS COLOR.
• Go to QuickTime/Atom.

- https://developer.apple.com/library/mac/#documentation/QuickTime/RM/Fundamentals/QTOverview/QTOverview_Document/QuickTimeOverview.html#//apple_ref/doc/uid/TP30000992-CH1g-AtomsQuickTimeAtomsandAtomContainers

* Movie Atoms [#z8adc498]

- https://developer.apple.com/library/content/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-56313

- moov, movhd
- ctab, udta
- trak, tkhd
- tapt,clef, prof, enof, clip, matt, edts, load, tref, 
- mdhd,
- elng,