I'm hoping it's a clever code that when broken leads to a cool Easter egg he plants just to see who cracks it. But vgrepping his comment history, I'm guessing

I'm hoping it's a clever code that when broken leads to a cool Easter egg he plants just to see who cracks it. But vgrepping his comment history, I'm guessing he used his phone which inserts a period when he double taps space. Doesn't explain where the. Missing. Space. And. Capitalization is, though (assuming the auto-complete behavior is consistent across platforms). So I've still got hope for the first.