test-repo/changelog_unreleased/yaml/12305.md

Fix unexpected deletion of block-literal lines which starts with U+3000 (#12305 by @Quramy)

# Input 
block_with_ideographic_space: |
  　line-content # This line starts with U+3000

# Prettier stable
block_with_ideographic_space: |

// Prettier main
block_with_ideographic_space: |
  　line-content # This line starts with U+3000