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+%% xyps-t.tex from $Id: xyps-t.doc,v 3.7 1999/02/16 15:12:50 krisrose Exp $
+%%
+%% Xy-pic ``Pattern and Tile extension'' PostScript support.
+%% Copyright (c) 1993-1997 Ross Moore <ross@mpce.mq.edu.au>
+%%
+%% This file is part of the Xy-pic package for graphs and diagrams in TeX.
+%% See the companion README and INSTALL files for further information.
+%% Copyright (c) 1991-1997 Kristoffer H. Rose <krisrose@brics.dk>
+%%
+%% The Xy-pic package 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.
+%%
+%% The Xy-pic package 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 package; if not, write to the Free Software Foundation, Inc.,
+%% 675 Mass Ave, Cambridge, MA 02139, USA.
+%%
+%% As a special exception, you may use this file and all files derived
+%% from it without restrictions. This special exception was added with
+%% version 3.7 of Xy-pic.
+%%
+\expandafter\ifx\csname xyps-tloaded\endcsname\empty
+ \message{not reloaded}\endinput \fi
+\expandafter\let\csname xyps-tloaded\endcsname=\empty \xycatcodes
+\expandafter\ifx\csname xyps-sloaded\endcsname\empty\else
+ \xyinputorelse@{xyps-s}{\xyerror@{Could not load xyps-s}{}}%
+ \xycatcodes\fi
+\xydef@\installPSpatterns@{\installPSstyle@
+ \let\xypattern@=\xyPSpattern@@
+ \let\xypatternwarning@=\relax
+ \xystandardpatterns@
+ \xyuncatcodes }
+\xylet@\UnloadPSpatterns@=\Unloadpattern@
+\xydef@\UsePStiles{\installPSpatterns@}
+\xydef@\NoPStiles{\UnloadPSpatterns@\relax}
+\xydef@\xyPSnewpattern@#1#2#3#4#5{%
+ \expandafter\DN@\expandafter{\csname shape [#1]\endcsname}%
+ \DNii@{\relax}\ifx\next@\nextii@\newxypattern{#1}{}\relax\fi
+ \DNii@{#4}\ifx\nextii@\empty
+ \expandafter\DNii@\expandafter{\csname xyPSshape@#1@\endcsname}%
+ \expandafter\def\nextii@{\xyPSpattern@{#2 #3}}\else
+ \expandafter\DNii@\expandafter{\csname xyPSshape@#1@\endcsname}%
+ \expandafter\def\nextii@{\xyPSpattern@{#4}}\fi
+ \ifx\nextii@\empty\expandafter\def\next@{\xyPSnotimplemented@@`#1'@@}%
+ \else
+ \edef\tmp@{\noexpand\let\expandafter\noexpand\next@
+ \expandafter\noexpand\nextii@}\expandafter\tmp@\fi }
+\xydef@\xyPSpattern@{\ifPSspecials@\expandafter\xyPSpattern@@
+ \else\expandafter\eat@\fi}%
+\xydef@\xyPSpattern@@#1{\bgroup \checkXyStyle@
+ \def\preStyle@@{\expandafter\addtostyletoks@\expandafter{\xyPSpre@}}%
+ \def\postStyle@@{\expandafter\addtostyletoks@\expandafter{\xyPSpost@}}%
+ \let\modPSboxz@=\modXYstyle@ \xyPS@pattern@@{#1}%
+ \toks@={\egroup\let\xy@style@=\relax \def\Drop@@}%
+ \expandafter\addtotoks@\expandafter{\expandafter{\Drop@@}\def\Connect@@}%
+ \expandafter\addtotoks@\expandafter{\expandafter{\Connect@@}}%
+ \the\toks@ }
+\xydef@\xyPS@pattern@@#1{\xyPSsplitPS@{{#1}sp}{}}
+\endinput