Operating system and graphics card
Broken: (example: 2.69.7 4b206af, see splash screen)
Broken in Buildbot Build Win 7 64 Bit from 19.01.2018
Worked in official 2.79
Short description of error
The rmb entry to call the online manual throws an error with all items.
Exact steps for others to reproduce the error
Based on a (as simple as possible) attached .blend file with minimum amount of steps
Right click at any menu item, choose Online Manual. Watch the error message.