When paste something with an empty line, an additional line is added each time.

[yyjdelete]

Input

1. `1.`

    1. `1.1`

        Data

1. 1.

   1. 1.1

      Data

---

Got

1. `1.`


    1. `1.1`


        Data

1. 1.

   1. 1.1

      Data

---

Ok, seems github works well, but many markdown viewer display it as

1. 1.

1. `1.1`


    Data

[greenlaw110]

I I found this issue can be reproduce if I use the tool on windows platform