Squashed 'extensions/Cite/' content from commit aa635f0

git-subtree-dir: extensions/Cite
git-subtree-split: aa635f09f8edcda1b78ee2a9e2c7c7830fcaeb41
Merge commit 'cbb186631bf350067f8b806d5b4e5fc4e27b738f' as 'extensions/Cite'