19 Sep
2009
19 Sep
'09
7:10 p.m.
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