TXR 84 发布，此版本更新内容如下：
An important change in quasiquote syntax that breaks backward compatibility (albeit trivially)
A new assert directive in the pattern language
Functions for environment manipulation are exposed
New functions for simplifying the opening of multiple files as one big stream
A base ten log function. print-line can be called with no arguments
Fixes broken support for dynamic field widths and precisions in the format function
Fixes a few minor bugs in the main command line processing and elsewhere
TXR 是一个新的用于文本抽取的模式匹配语言，用于替换 awk 和 perl，提供基于模板的全文匹配。
项目主页：http://www.nongnu.org/txr/
下载地址：http://savannah.nongnu.org/projects/txr/
来自:oschina开源中国社区
