UserAgent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36

Steps to reproduce the problem:
1. on issue list https://bugs.chromium.org/p/chromium/issues/list open newtwork (update) and find path with issueOptionsMembers
2. Open Preview
3. Copy to clipboard

3. 

What is the expected behavior?
four text lines (as on preview) or expanded text
fields: [{is_multivalued: true, field_type: 7, docstring: "Design doc to be reviewed.", field_id: 53,…},…]

What went wrong?
ten lines 
There are additional line breaks on colons.

fields
:
[{is_multivalued: true, field_type: 7, docstring: "Design doc to be reviewed.", field_id: 53,…},…]

Did this work before? N/A 

Chrome version: 67.0.3396.99  Channel: n/a
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: