Can't Copy Table Header

Summary

Users are unable to copy the content of the table headers in Confluence pages. This happens in Google Chrome as well as Firefox.

Steps to Reproduce

1. Create a Confluence page.
2. Add a table with a header.
3. Add content in the headers.
4. Save the page.
5. In the view mode, try to copy the content of the header.

Expected Results

The content of the header is copied.

Actual Results

The header cannot be selected for copying.

Workaround

1. Disable the Confluence sortable table plugin
2. Use Safari as the browser
3. Copy the header through the Edit mode.