[html] mailto 设置主题，内容等

<a href="mailto:aaa@gmail.com.com?Subject=%5BNEWS%5D&amp;

Body=Thanks%20for%20

your%20interest%20in%20

submitting%20news%20to%20

InfoQ.com.%20Please%20provide%20as%20

much%20detail%20about%20your%20news%20suggestion%20in%20

this%20email%20as%20possible.%20%20Your%20suggestion%20

will%20be%20considered%20and%20if%20selected%20an%20

InfoQ%20editor%20will%20write%20an%20editted%20version%20and%20

publish%20it.%20An%20automated%20version%20of%20this%20form%20

will%20be%20coming%20sometime%20in%20the%20next%20few%20weeks.%20:%29%20

Thanks%20-%20InfoQ%20team.">提供新闻</a>