Avoid links in html documents potentially breaching privacy

Replace potential tracking image URLs with inline single-pixel
transparent image from
<https://css-tricks.com/snippets/html/base64-encode-of-1x1px-transparent-gif/>.

Strip hardcoded host from demo form.

Forwarded: not-needed
Last-Update: 2017-09-23

Gbp-Pq: Name 2003_avoid_privacy_breach.patch

diff --git a/doc/sphinx/appendices/bibliography.rst b/doc/sphinx/appendices/bibliography.rst
index 845346189239b1d179aec084c292effe7c3cd23b..8612cf1a0a09bc4439e95eed9cc4d0ffaeaf155c 100644 (file)
--- a/doc/sphinx/appendices/bibliography.rst
+++ b/doc/sphinx/appendices/bibliography.rst
@@ -274,13 +274,13 @@ Books
 FontForge
 ^^^^^^^^^
 
-* .. image:: http://images-eu.amazon.com/images/P/284177273X.08.MZZZZZZZ.jpg
+* .. image:: data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
      :align: left
      :alt: Fontes et Codages
 
   `Haralambous, Yannis, 2004, Fontes & Codages <http://www.amazon.fr/exec/obidos/ASIN/284177273X/qid%3D1096481415/402-5423443-8577732>`__
 
-* .. image:: http://images.amazon.com/images/P/0596102429.01._AA240_SCLZZZZZZZ_V40077239_.jpg
+* .. image:: data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
      :align: left
      :alt: Fontes et Codages