Highlight.js is not embedded when exported as html, so therefore syntax highlighting doesn't work.

// If applicable please attach a sample document that causes the issue for you.

// Configuration (do not edit) Marked 2 1057 (Direct)

macOS Version: 14.5

additionalMathJaxConfig:
allowPageBreakInCode: YES
bookTxtIsLeanpub: YES
summaryMdIsGitBook: YES
codeIsPoetry: NO
codeCanWrap: NO
collapsibleHeadlines: NO
convertGithubCheckboxes: YES
convertGithubEmoji: YES
convertYAMLToMMD: NO
defaultMathJaxConfig: TeX-AMS-MML_HTMLorMML
defaultPreviewStyle: 3
defaultProcessor: MultiMarkdown
enableMiniMap: YES
excludeBlockQuotesFromCounts: NO
excludeFootnotesFromCounts: NO
excludeVerbatimFromCounts: NO
excludeCaptionsFromCounts: NO
folderPreviewExtensionsArray: md, markdown, txt, mdown, html, opml
githubNewlines: YES
h1IsPageBreak: NO
h2IsPageBreak: NO
hrIsPageBreak: YES
includeMathJax: YES
includeKatex: NO
limitTextWidth: YES
mathNumberEquations: NO
mathNumberEquationsSide: 0
mathNumberEquationsAMSOnly: NO
minimalJavaScript: YES
outlineModeExtensions:
permissionGranted: YES
printHeaderBottomLeft:
printHeaderBottomRight:
printHeaderFirstPage: NO
printFooterFirstPage: NO
printHeaderTopLeft:
printHeaderTopRight:
processHTMLFiles: YES
removeMetadataForPreview: NO
removeYAMLHeaders: NO
scrollToEdit: YES
shouldDetectCritic: YES
shouldHighlightMarkupErrors: YES
shouldLoadCritic: NO
syntaxHighlight: YES
syntaxHighlightOnlyLang: NO
useCustomMarkdownProcessor: NO
customMarkdownProcessor:
useCustomPreprocessor: NO
customPreprocessor:
useFirstH1AsPrintTitle: YES