MarkdownTranslationSegmenter

Segments markdown into translatable and non-translatable blocks, translates the text portions, and reassembles valid markdown.

Preserves:

• Fenced code blocks (``` or ~~~)

• Indented code blocks (4+ spaces or tab)

• Link URLs and image paths (translates link text only)

• HTML tags

• Frontmatter (--- delimited YAML)

Translates:

• Paragraphs, headings, list items, blockquotes, table cell text