hiho,
Great addon, no idea why this isn't a default thing in the game but thankfully clever people like you can Make it So.

Quest: http://www.wowhead.com/quest=29515/writing-the-future Writing the Future
This is the scribe profession leveling quest.

Adding [29515] = 823, to the Darkmoon Island section of the quest.lua file made it work.

Appending the next one my, infrequently played, alt found missing.
[29516] = 823,