学習: Revision history
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(newest | oldest) View (newer 20 | older 20) (20 | 50 | 100 | 250 | 500)(newest | oldest) View (newer 20 | older 20) (20 | 50 | 100 | 250 | 500)
Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.