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-rw-r--r--Master/texmf-dist/source/latex-dev/base/ltshipout.dtx8
1 files changed, 7 insertions, 1 deletions
diff --git a/Master/texmf-dist/source/latex-dev/base/ltshipout.dtx b/Master/texmf-dist/source/latex-dev/base/ltshipout.dtx
index 565f35f529c..f773cd23da2 100644
--- a/Master/texmf-dist/source/latex-dev/base/ltshipout.dtx
+++ b/Master/texmf-dist/source/latex-dev/base/ltshipout.dtx
@@ -33,7 +33,7 @@
%
% \begin{macrocode}
\providecommand\ltshipoutversion{v1.0i}
-\providecommand\ltshipoutdate{2021/01/25}
+\providecommand\ltshipoutdate{2021/03/17}
% \end{macrocode}
%
%<*driver>
@@ -144,6 +144,12 @@
% This box register is called \cs{ShipoutBox} (alternatively
% available via the L3 name \cs{l_shipout_box}).
%
+% This box is a ``local'' box and assignments to it should be done
+% only locally. Global assignments (as done by some packages with
+% older code where this is box is known as 255) may work but they are
+% conceptually wrong and may result in errors under certain
+% circumstances.
+%
% During the execution of \hook{shipout/before} this box contains
% the accumulated material for the page, but not yet any material
% added by other shipout hooks.