I have several issues with the lab: 1. The lab should show us how to preview the resulting pages before merging them back to master. 2. If one adds their twitter id with an "@" sign in front of it we get an error in config.yml (line 8), which is where I'm currently stuck: https://github.com/vector-flys/github-pages-with-jekyll/issues. I created a new issue and a branch to fix it. But.. a) I don't know if that will solve the problem or not because I can't preview it b) I can't approve my own PR in order to merge it into master and see the results Please advise.
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