> can you explain in mode detail what you mean with 'actual text tags' ?
He means "ActualText tags" :-) See the PDF spec section 14.9.4, page 623.
It's a more generic way to support searching than ToUnicode vectors: you just
specify the actual string of underlying Unicode characters. The PDF spec uses
hyphenated "ck" in German as an example: you typeset "Druk-ker" but you want to
search for "Drucker". You can't do that with ToUnicode vectors.
Anyway, this needs support at the engine level and I don't think there is;
actually it would be nice to add that to LuaTeX.
Arthur
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