%%
%% This is file `hycolor-test-xcol4.tex',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% hycolor.dtx  (with options: `test-xcolor-fbox')
%% 
%% This is a generated file.
%% 
%% Project: hycolor
%% Version: 2011/01/30 v1.7
%% 
%% Copyright (C) 2007-2011 by
%%    Heiko Oberdiek <heiko.oberdiek at googlemail.com>
%% 
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either
%% version 1.3c of this license or (at your option) any later
%% version. This version of this license is in
%%    http://www.latex-project.org/lppl/lppl-1-3c.txt
%% and the latest version of this license is in
%%    http://www.latex-project.org/lppl.txt
%% and version 1.3 or later is part of all distributions of
%% LaTeX version 2005/12/01 or later.
%% 
%% This work has the LPPL maintenance status "maintained".
%% 
%% This Current Maintainer of this work is Heiko Oberdiek.
%% 
%% This work consists of the main source file hycolor.dtx
%% and the derived files
%%    hycolor.sty, hycolor.pdf, hycolor.ins, hycolor.drv,
%%    xcolor-patch.sty, hycolor-test1.tex, hycolor-test2.tex,
%%    hycolor-test3.tex, hycolor-test-xcol1.tex,
%%    hycolor-test-xcol2.tex, hycolor-test-xcol3.tex,
%%    hycolor-test-xcol4.tex.
%% 
\NeedsTeXFormat{LaTeX2e}
\documentclass{article}
\usepackage{xcolor}
\usepackage{xcolor-patch}[2011/01/30]
\makeatletter
\protected@edef\x{\fbox{abc}}
\let\@tempa\@undefined
\protected@edef\x{\fbox{abc}}
\makeatother
\begin{document}
\MakeUppercase{\fbox{abc}}
\end{document}
\endinput
%%
%% End of file `hycolor-test-xcol4.tex'.
