Hi, Maybe this is a stupid question. we know we cannot modify the content of an existing PDF file, but using iText we can add more into the PDF file. My question is: if I use iText to add an image or an paragraph into an existing PDF file, can I delete the image or the paragraph later with iText? My thought is: because the image was added into a PDF file by myself, I know exactly where I put there and all the other infomation about the image, so is those enough to enable me to delete the image later with iText?
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