我刚为LESS（http://www.normalesup.org/~simonet/soft/ow/eclipse-less.fr.html）安装了Eclipse插件。
我按照那里的安装说明进行操作。现在我可以使用LESS编辑器打开LESS文件了。
但是当我编码时，日食告诉我：
Resource was edited concurrently
The resource is currently edited in another editor,Do you want to continue?