Reproducible test recipes, browser creation workflows, and practical ways to validate real files.
3 articles · page 1 of 1
Obfuscated fonts, an NCX that disagrees with the nav document, vertical Japanese, and a spine pointing at a file that is not there. The ebook cases worth owning.
Novus Examples · Guide · Advanced · v2026.09
Read the post →Variable axes, COLR palettes, metrics that disagree, and a deliberately broken checksum. The font cases that break renderers, subsetters and export pipelines.
Novus Examples · Guide · Advanced · v2026.09
Read the post →Extractors fail on codecs they never linked, filenames they cannot decode, and nesting they never expected. Here is how to find out before your users do.
Novus Examples · Guide · Intermediate · v2026.09
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