Background tab in table properties dialog do not redirect to valid online document
Steps to Reproduce:
1. Insert a table.
2. right click and select table properties.
3. select "Background" tab.
4. F1 and select "Read online help".
Browser redirect to help page of Writer.
Online help related to background tab.
User Profile Reset: No
Focus is on the drop down menu when "Background" tab is selected. It redirects to online document related to Area if "None", "Color", or "Bitmap" is focused.
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36
Olivier Hallot committed a patch related to this issue.
It has been pushed to "master":
tdf#117752 HID for table background in Writer