One of the great things about distributed version control is that you can unplug from the internet and keep checking in.
If you recreate your gitit wiki offline, you can unplug from the internet and keep interacting with your repository via your offline gitit wiki.
Here’s a newsgroup discussion that describes how to use your gitit wiki offline
Disclaimer: If you are not technically savvy, and using patch-tag only for the gitit wiki, this option is probably not for you. I have some ideas percolating though that might make this a lot more straightforward if having an offline gitit wiki is something people want.