Help documentation has to be updated as implemented new attribute harpoon/wideharpoon of Math for tdf#120047. The following page is relevant, for example:
Steps to Reproduce:
See the above help pages.
No description about the new attribute.
The above help pages should mention harpoon/wideharpoon.
User Profile Reset: No
Olivier Hallot committed a patch related to this issue.
It has been pushed to "master":
tdf#125891 Add Help for "harpoon" math attributes