I guess it's because we have <link rel="canonical" href="http://zh.wikipedia.org/wiki/Gmail" /> in page source, so Facebook is fetching the canonical (variant-neutral) version (and this is expected, since http://zh.wikipedia.org/zh-tw/Gmail and http://zh.wikipedia.org/zh-cn/Gmail refer to the same article), where zh is used as the interface language. However zh falls back to zh-hans, so all interface messages are in zh-hans.
-Liangent
On Sun, Oct 16, 2011 at 10:49 AM, jidanni@jidanni.org wrote:
Gentlemen, no matter if in Google search results, or Facebook link previews, links that specifically have the zh-tw part in them http://zh.wikipedia.org/zh-tw/ ... still end up having simplified Chinese, despite no such simplified <title> appearing in the entire page. I suspect somehow the simplified Chinese version is considered Cache Equivalent for <title> purposes ... but it is not and looks horrible to me trying to present a fully Traditional appearing link. Go ahead and test, share "http://zh.wikipedia.org/zh-tw/Gmail" via Facebook, and notice the simplified Chinese there in the title of the link created.
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