TUGboat 39:1发布了

TUGboat 39:1, a regular issue, has been mailed to current TUG members. It is also available online and from the TUG store. 这一期的内容包含了knuth生日，还有Staszek Wawrykiewicz 过世的纪念文字，值得看看！都是值得尊敬的贡献人。点击这里：http://tug.org/TUGboat/tb39-1/