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+%%
+%% warning.sty
+%%
+%% Global warnings at the end of the screen output and the logfile
+%%
+%% Copyright 2001  Harald Harders (h.harders@tu-bs.de)
+%%
+%% License: LPPL
+%%
+%% Sometimes a class or package has to make a global warning such as
+%% ``Rerun for this or that reason'' or ``This is draft, change this
+%% before the final run''. If you are generating them with
+%% \AtEndDocument{\PackageWarningNoLine{packagename}{warning}}
+%% the warning appears very early before the filelist. Then the
+%% warning can easily be overseen. This package provides a command
+%% that surely puts the warning at the end near to the global
+%% warnings generated by LaTeX itself.
+%% You can add a warning to a list of user defined warnings using the
+%% command \addglobalwarning as it can be seen in the example below.
+%%
+%% This package could be useful for the warnings generated e.g. by
+%% the packages changebar.sty or longtable.sty.
+%%
+%% Harald Harders
+%%
+%%
+%% Example:
+%%
+%% \documentclass{article}
+%% \usepackage{warning}
+%% \addglobalwarning{%
+%%   \ClassWarningNoLine{testclass}{This is a global warning}}
+%% \addglobalwarning{%
+%%   \PackageWarningNoLine{testpackage}{This is another global warning}}
+%% \begin{document}
+%% Hello
+%% \end{document}
+%%
+%%
+\ProvidesPackage{warning}[2001/08/17 v0.01 Global warnings at end of logfile]
+
+% Define a command that adds new warnings to the list of warnings.
+% Modification of the \addto command provided by babel.def.
+\def\addglobalwarning#1{%
+  \ifx\wrn@warning\@undefined
+    \def\wrn@warning{#1}%
+  \else
+    \ifx\wrn@warning\relax
+      \def\wrn@warning{#1}%
+    \else
+      {\toks@\expandafter{\wrn@warning#1}%
+        \xdef\wrn@warning{\the\toks@}}%
+    \fi
+  \fi
+}
+
+% Expand \@@end command. I have the feeling that is not too stable.
+% Thus not used.
+%\let\wrn@end\@@end
+%\def\@@end{\wrn@warning\wrn@end}
+
+% Expand \@refundefined command. This does not work if undefined
+% references appear after the execution of \AtEndDocument which can happen.
+% Thus not used.
+%\AtEndDocument{%
+%  \let\wrn@refundefined=\@refundefined
+%  \def\@refundefined{\wrn@refundefined\wrn@warning}}
+
+% Expand \@dofilelist
+% This works with or without \listfiles because \listfile has to be
+% used in the preamble and therefor is executed before this definition.
+\AtBeginDocument{%
+  \let\wrn@dofilelist\@dofilelist
+  \def\@dofilelist{\wrn@dofilelist\wrn@warning}%
+}
+
+\let\wrn@warning\relax
+
+\endinput
+%% EOF
\ No newline at end of file