From cd8f1a55b1b48dea9a277a4cfa6b1ad56440b5ea Mon Sep 17 00:00:00 2001
From: jvoisin <julien.voisin@dustri.org>
Date: Tue, 3 Apr 2018 21:45:05 +0200
Subject: [PATCH] Add a note about why we do clean PDF in a completely overkill
 way

---
 doc/implementation_notes.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/implementation_notes.md b/doc/implementation_notes.md
index bc83671..b385659 100644
--- a/doc/implementation_notes.md
+++ b/doc/implementation_notes.md
@@ -25,6 +25,10 @@ handle PDF. But apparently, people are ok with [pdf redact
 tools](https://github.com/firstlookmedia/pdf-redact-tools), that simply
 transform the PDF into images. So this is what's MAT2 is doing too.
 
+Of course, it would be possible to detect images in PDf file, and process them
+with MAT2, but since a PDF can contain a lot of things, like images, videos,
+javascript, pdf, blobs, … this is the easiest and safest way to clean them.
+
 Images handling
 ---------------
 
-- 
GitLab