test-repo/changelog_unreleased/javascript/pr-9431.md

Keep HTML and Markdown invalid template literals as is (#9431 by @fisker)

// Input
foo = html`<div>\u{prettier}</div>`;
foo = html`\u{prettier}${foo}pr\u{0065}ttier`;
foo = markdown`# \u{prettier}\u{0065}`;

// Prettier stable
foo = html``;
foo = html`null${foo}prettier`;
foo = markdown`
# \u{prettier}\u{0065}
`;

// Prettier master
foo = html`<div>\u{prettier}</div>`;
foo = html`\u{prettier}${foo}pr\u{0065}ttier`;
foo = markdown`# \u{prettier}\u{0065}`;