Squashed 'core/drupal/' content from commit e49fde1

git-subtree-dir: core/drupal
git-subtree-split: e49fde1f1dac6f63e79db7d18fe8cb708dfe68d0
Merge commit '52d641655afae8a9c9b8e9ea1d4eee517c84ec89' as 'core/drupal'