Backup diff of 2015-11-13 vs current(No. 1)

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• View the diff.
• View the diff current.
• View the source.
• View the backup.
• Go to 2015-11-13.

社内勉強会で発表

• 座標系 (ラスターとベクター)
• 色空間 (RGBとそれ以外)