The revision history diff is impossible difficult to read, unless you possess an android eyeball.
1) If somebody changed a single CJK char, _several_ sentences around it became red (until both edges encounter a non-CJK character) in the diff.
2) The following example is even more bizarre. There's no space added, no char changed, but yet 3 sentences were reddened:
http://zh.wikipedia.org/w/wiki.phtml?title=Wikipedia:%E5%B8%B8%E8%A7%81%E9%9...
Such difficulties renders what could be obvious vandalism in Western Wikipedias quite subtle in CJK Wikipedia.s
Menchi Zh-En
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