Welcome to Code by Zeba Academy.
A technical reference library for document engineering, digital publishing standards, and automated print pipelines.
Here you’ll find production-ready schemas, validator error solutions, and implementation specs for JATS XML, EPUB 3, ONIX 3.0, Pandoc workflows, and prepress standards; built for production editors, prepress operators, and publishing technologists.
Latest Articles
Thoughts, tutorials, and insights.
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· 5 min read
How to Automate JATS DTD and Schematron Validation in CI?
Read more →: How to Automate JATS DTD and Schematron Validation in CI?Manual validation within desktop authoring environments such as Oxygen XML Editor introduces catastrophic latency and human error into automated journal ingestion pipelines. When publishing workflows…
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· 5 min read
How to Automate PDF/X-1a and PDF/X-4 Conversion via Ghostscript?
Read more →: How to Automate PDF/X-1a and PDF/X-4 Conversion via Ghostscript?Headless browser rendering engines (Chromium, Puppeteer, Playwright) emit documents tuned for RGB screens. While ideal for digital viewing, these PDFs fail baseline commercial preflight checks…
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· 5 min read
How to Prevent Page-Break Collapses in Paged Media?
Read more →: How to Prevent Page-Break Collapses in Paged Media?Automated typesetting pipelines built on CSS Paged Media engines (PrinceXML, WeasyPrint, Paged.js) exhibit severe document fragmentation when processing technical documents containing complex tabular structures, multi-line…
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· 5 min read
How to Automate EPUB 3 Navigation Documents from Content Headings?
Read more →: How to Automate EPUB 3 Navigation Documents from Content Headings?EPUB specifications (W3C Recommendation 25 May 2023) mandate the inclusion of an EPUB Navigation Document conforming to the application/xhtml+xml media type and declared in the…
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· 5 min read
How to Validate JATS Contrib Affiliations and Persistent IDs?
Read more →: How to Validate JATS Contrib Affiliations and Persistent IDs?In automated XML-first journal publishing pipelines, ingestion gateways frequently fail downstream validation during Crossref deposit or PubMed Central (PMC) ingestion due to malformed metadata within…
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· 5 min read
Structuring Chapter Metadata in BITS 2.1 Monographs
Read more →: Structuring Chapter Metadata in BITS 2.1 MonographsEdited collections and scholarly monographs present a hierarchical metadata challenge that flat journal serialization schemas cannot resolve. Standard journal publishing relies on ANSI/NISO Z39.96 (JATS),…