UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36

Steps to reproduce the problem:
1. Create element with ID containing a period character: id="some.id"
2. Right click on element > Copy > Copy selector.
3. Copied selector "#some\2e id" is incorrect.

What is the expected behavior?
Copied selector should have escaped period character like so: "#some\.id".

What went wrong?
Copied selector "#some\2e id" is incorrect.

Did this work before? N/A 

Chrome version: 55.0.2883.87  Channel: n/a
OS Version: 10.0
Flash Version: Shockwave Flash 24.0 r0