02strich/tracks — comment on commit 9eae8a7068f156b64fa00a60ac994fc986887d27
File: app/models/todo.rb line 357
By lrbalt:

I guess your problems start here?

why not do

tag_list = value.join(',')

and thus use the working tag_list method. I'm not sure what happens if value is not an array with the .joins though