"Glen Wheeler" <[EMAIL PROTECTED]> wrote
If you have used tried using any PDF editor for more than
correcting
typos, you'd still consider it as a read-only document.
True. but for contracts or invoices just changing a 1 to a 7 or
vice
versa can make a big difference to the money owed! And very
little difference to the layout.
Well if it's just a matter of changing one digit this isn't so
hard, since PDF files are not very hard to edit with a simple text
editor. (Never have
That's true if you understand the PDF format but its non trivial
and way beyond most computer users. But PDF has never been
absolutely secure, just better than Word documents or plain text.
If you really want to check that the doc has not been altered
you need to use digital signing or similar. PDF is just a
discouragement.
Alan G.
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