Which religious text was the first to utilize innovative 'red letter' packaging, where specific text was printed in red ink to distinguish certain words as especially significant?

Throughout history, religious texts have been packaged and presented in various ways that reflect their sacred status and the technology of their time. From ancient scrolls to modern digital formats, the 'packaging' of religious wisdom has evolved dramatically while maintaining reverence for the content. Test your knowledge about how different faiths have preserved and presented their most important writings through innovative packaging solutions.

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The Christian Bible (specifically words spoken by Jesus)
The Buddhist Tripitaka (highlighting the Buddha's direct teachings)
The Islamic Quran (emphasizing verses revealed in Mecca)
The Jewish Talmud (identifying contradictory interpretations)