Inline comment marker being duplicated by editor

Issue Summary

By adding new line after an line comment marker. Editor auto wrap new added line with inline comment marker as well. It will cause that user will see same marker on view page on many difference places

Steps to Reproduce

1. Reimport the exported file Confluence-space-export-152325-2.xml.zip
2. Go to a page "Test with html macro"
3. Edit that page.
4. Try to add new line then save the editor and go to view page

Expected Results

New adding line should not have inline comment marker (not highlight with inline comment)

Actual Results

New added line have inline comment on it

Workaround

Using source editor to remove a marker manually