/usr/share/texlive/texmf-dist/metapost/metauml/util_margins.mp is in texlive-metapost 2013.20140215-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | % MetaUtil, an easier MetaPost life
% Copyright (C) 2005 Ovidiu Gheorghies
%
% This program is free software; you can redistribute it and/or
% modify it under the terms of the GNU General Public License
% as published by the Free Software Foundation; either version 2
% of the License, or (at your option) any later version.
%
% This program is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with this program; if not, write to the Free Software
% Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
if known _util_margins_mp:
expandafter endinput
fi;
_util_margins_mp:=1;
vardef Margins@#(expr pleft, pright, ptop, pbottom)=
attributes(@#);
var(numeric) left, right, top, bottom;
@#left := pleft;
@#right := pright;
@#top := ptop;
@#bottom := pbottom;
enddef;
vardef MarginsCopy@#(text src)=
Margins@#(src.left, src.right, src.top, src.bottom);
enddef;
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