人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用
I believe the 2984 did something fairly similar, but the details are now obscure
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（四）从事法律研究、教学工作并具有高级职称的；
My earliest prototype used ascii characters for snakes and fruit. This had a problem - since terminal characters are twice as tall as they are wide, vertical movement felt much faster than horizontal movement:
More recently, the xz utility was compromised by a malicious developer, almost leading to malware infecting Linux.