It might sound odd for a package to have a "+" in the package name, but it is used for several packages like "doc++" -- a documentation system for C/C++ code.

软件包的名称中包含“+”，这听起来很奇怪，但有几个软件包已经使用了“+”，如“doc++” — C/C++代码的文档系统。

youdao

It might sound odd for a package to have a "+" in the package name, but it is used for several packages like "doc++" -- a documentation system for C/C++ code.

软件包的名称中包含“+”，这听起来很奇怪，但有几个软件包已经使用了“+”，如“doc++” — C/C++代码的文档系统。

youdao