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[[MediaWiki:Apihelp-edit-example-undo/zh-hans]]

Fragment of a discussion from User talk:D41D8CD98F

后面那句原文明明是“从$1undo”的吧(其实我也不明白为何在实际文档中变成了undo,$1莫名其妙消失了)

同样感谢阁下解释哈。

Liuxinyu970226 (talk)05:42, 7 November 2016

按照MediaWiki:Apihelp-edit-param-undoafter/qqq,$1被替换成模块参数前缀(比如backlinks模块的参数前缀是bl这个模块的所有参数名都是以bl开头的)。edit模块没有参数前缀,所以$1被替换成空字符串

D41D8CD98F (talk)06:17, 7 November 2016