Topic

Hidden text in documents

Content that exists in a file's data but does not appear when the file is rendered, produced by devices such as zero-width scaling, replacement strings, rewritten font tables and objects that are never invoked.

Current clusters

build1 publisher

pdfium's text page drops the 0 Tz line that pypdf still returns

pdfium builds its text page from layout while pypdf walks the drawing operators in the content stream, so the extractor you pin decides which characters reach your index. Both are working within spec.

Publishers:dev.to

Reality

Evidence74
Adoption: Insufficient
Hype gap+15
Incentives35
Confidence66