[latex3-commits] [git/LaTeX3-latex3-latex3] master: Some notes on PDF drivers (038744d)

[Joseph Wright]

Repository : https://github.com/latex3/latex3
On branch  : master
Link       : https://github.com/latex3/latex3/commit/038744de7cf7e2d4aee0a191d77f23da33e8c146

>---------------------------------------------------------------

commit 038744de7cf7e2d4aee0a191d77f23da33e8c146
Author: Joseph Wright <joseph.wright at morningstar2.co.uk>
Date:   Thu May 2 21:09:04 2019 +0100

    Some notes on PDF drivers


>---------------------------------------------------------------

038744de7cf7e2d4aee0a191d77f23da33e8c146
 l3kernel/l3drivers-pdf.dtx |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/l3kernel/l3drivers-pdf.dtx b/l3kernel/l3drivers-pdf.dtx
index dc297ba..c15e6e5 100644
--- a/l3kernel/l3drivers-pdf.dtx
+++ b/l3kernel/l3drivers-pdf.dtx
@@ -60,6 +60,12 @@
 %<@@=driver>
 %    \end{macrocode}
 %
+% Setting up PDF resources is a complex area with only limited documentation
+% in the engine manuals. The following code builds heavily on existing ideas
+% from \pkg{hyperref} work by Sebastian Rahtz and Heiko Oberdiek, and
+% significant contributions by Alexander Grahn, in addition to the specific
+% code referenced a various points.
+%
 % \subsection{Shared code}
 %
 % A very small number of items that belong at the driver level but which