[latex3-commits] [l3svn] r7413 - Comment on why x-expand \current at color, as per Frank's suggestion

[noreply at latex-project.org]

Author: bruno
Date: 2017-08-02 18:59:51 +0200 (Wed, 02 Aug 2017)
New Revision: 7413

Modified:
   trunk/l3kernel/l3drivers.dtx
Log:
Comment on why x-expand \current at color, as per Frank's suggestion


Modified: trunk/l3kernel/l3drivers.dtx
===================================================================
--- trunk/l3kernel/l3drivers.dtx	2017-08-02 11:31:41 UTC (rev 7412)
+++ trunk/l3kernel/l3drivers.dtx	2017-08-02 16:59:51 UTC (rev 7413)
@@ -559,6 +559,9 @@
 %   The current color in driver-dependent format: pick up the package-mode
 %   data if available. We end up converting back and forward in this route as
 %   we store our color data in \texttt{dvips} format.
+%   The \tn{current at color} needs to be \texttt{x}-expanded before
+%   \cs{@@_color_pickup_aux:w} breaks it apart, because for instance
+%   \pkg{xcolor} sets it to be instructions to generate a colour
 %    \begin{macrocode}
 %<*package>
 \AtBeginDocument