细节请看： www.jed-software.com/bc.htm.
新的特性可以让你查看到一个修改后的源文件和旧版本的区别。
新的命令菜单在”Edit”下的Compare子菜单下。
The new command is available in the Compare sub menu and is only enabled when the active file in the editor is the same name as an original source file that shipped with the IDE and is not in the original location.
Compare to Original Source File command location
Beyond Compare showing the comparison
另外：下载 Beyond Compare 绿色版（从未来软件园）