From 8a88e007da3caa16f59fc32e9a4d4b6e116711e8 Mon Sep 17 00:00:00 2001 From: Tim van der Meij Date: Wed, 22 Sep 2021 22:10:16 +0200 Subject: [PATCH] Updated Additional Learning Resources (markdown) --- Additional-Learning-Resources.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Additional-Learning-Resources.md b/Additional-Learning-Resources.md index eeac24c..c0b7342 100644 --- a/Additional-Learning-Resources.md +++ b/Additional-Learning-Resources.md @@ -26,7 +26,7 @@ A really basic overview of PDF is described here: + https://web.archive.org/web/20150218210352if_/http://partners.adobe.com/public/developer/en/livecycle/lc_pdf_overview_format.pdf Summary of the PDF file format: -+ http://www.planetpdf.com/developer/article.asp?ContentID=navigating_the_internal_struct ++ https://web.archive.org/web/20180211042516/https://planetpdf.com/developer/article.asp?ContentID=navigating_the_internal_struct The PDF specification: + https://www.adobe.com/devnet/acrobat/pdfs/PDF32000_2008.pdf