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pdf
>>>>> Ian == Ian Wright <Ian [at] iw63.freeserve.co.uk> writes:
Ian> Does anyone know if there is a way to edit an existing .pdf
Ian> file? I have tried Acrobat Exchange and Distiller but don't
Ian> seem to be able to change anything.
PDF is basically digitized hardcopy, almost as bad as a PNG of the
page image; I wouldn't think of editing one, although it's
theoretically possible. You could remove the Postscript code leaving
the text strings (and a fair number of font indicies that don't
correspond to normal text, eg ligatures like `fi'), but you'd then
have to reprocess the whole thing to PDF because the fill parameters
would change. Or have a document that looked like a cut-and-paste
ransom note from a TV detective movie.
Postscript doesn't need to be a write-once language, but it is
normally used that way (didn't Elton John do a song called printers
can't edit, and your daddy don't rock-n-roll?) In particular, in PDF
files.
I would suggest OCR or hiring a good typist if you can't get your
hands on the source code, I mean, the original markup file (TeX, .doc,
SGML, whatevuh).
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