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diff --git a/Master/texmf-dist/tex/generic/pstricks/pst-key.tex b/Master/texmf-dist/tex/generic/pstricks/pst-key.tex
new file mode 100644
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+++ b/Master/texmf-dist/tex/generic/pstricks/pst-key.tex
@@ -0,0 +1,100 @@
+%%
+%% This is file `pst-key.tex',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% keyval.dtx  (with options: `package,plain,pstricks')
+%% 
+%% This file is based on keyval.dtx from the LaTeX tools distribution.
+%% It may be distributed and used with the conditions applying to the
+%% PSTricks distribution. See the comments in pstricks.tex for details.
+%% 
+%% File: keyval.dtx Copyright (C) 1993 1994 1995 1997 1998 David Carlisle
+\def\next[#1]{\catcode`\@=11
+       \expandafter\let\csname ver@keyval.sty\endcsname\empty
+       \wlog{keyval: #1}}\next
+                 [1998/07/23 v1.11 key=value parser (DPC)]
+\def\setkeys{%
+  \@ifnextchar[%
+    \KV@list
+    {\let\KV@undefined\KV@error
+     \KV@setkeys}}
+\def\KV@psset{psset}
+\def\KV@setkeys#1#2{%
+  \def\@tempa{#1}%
+  \edef\KV@prefix{%
+  \ifx\@tempa\KV@psset\else
+                  KV@%
+  \fi
+                  #1@}%
+  \KV@do#2,\relax,}
+\def\psset#1{%
+  \def\KV@prefix{psset@}%
+  \KV@do#1,\relax,}
+\def\use@par{\expandafter\psset\expandafter{\pst@par}%
+             \let\pst@par\@empty}
+\def\KV@list[#1]{%
+  \def\KV@undefined{\KV@add#1}%
+   \ifx#1\@undefined
+    \let#1\@empty
+   \fi
+  \KV@setkeys}
+\def\KV@do#1,{%
+ \ifx\relax#1\empty\else
+  \KV@split#1==\relax
+  \expandafter\KV@do\fi}
+\def\KV@split#1=#2=#3\relax{%
+  \KV@@sp@def\@tempa{#1}%
+  \ifx\@tempa\@empty\else
+    \expandafter\let\expandafter\@tempc
+      \csname\KV@prefix\@tempa\endcsname
+    \ifx\@tempc\relax
+      \KV@undefined{#2}{#3}%
+    \else
+      \ifx\@empty#3\@empty
+        \KV@default
+      \else
+        \KV@@sp@def\@tempb{#2}%
+        \expandafter\@tempc\expandafter{\@tempb}\relax
+      \fi
+    \fi
+  \fi}
+\def\KV@default{%
+  \expandafter\let\expandafter\@tempb
+    \csname\KV@prefix\@tempa @default\endcsname
+  \ifx\@tempb\relax
+    \KV@err{No value specified for \@tempa}%
+  \else
+    \@tempb\relax
+  \fi}
+\def\KV@add#1#2#3{%
+  \toks2\expandafter{#1}%
+  \KV@@sp@def\@tempb{#2}%
+  \toks4\expandafter{\@tempb}%
+  \edef#1{\the\toks2
+          \ifx#1\@empty\else,\fi
+          \@tempa
+          \ifx\KV@add#3\KV@add\else={\the\toks4}\fi}}
+\def\KV@err#1{\errmessage{keyval: #1}}
+\def\KV@error#1#2{\KV@err{\@tempa\space undefined}}
+\def\@tempa#1{%
+\def\KV@@sp@def##1##2{\KV@@sp@b##2\@nil\@nil#1\@nil\relax##1}}
+\@tempa{ }
+\def\KV@@sp@b#1#2 \@nil{\KV@@sp@c#1#2}
+\def\KV@@sp@c#1\@nil#2\relax#3{\def#3{#1}}
+\def\define@key#1#2{%
+  \def\KV@prefix{#1}%
+  \edef\KV@prefix{%
+    \ifx\KV@prefix\KV@psset\else
+        KV@%
+     \fi
+        #1@#2}%
+  \@ifnextchar[\KV@def{\@namedef\KV@prefix####1}}
+\def\KV@def[#1]{%
+  \@namedef{\KV@prefix @default\expandafter}\expandafter
+    {\csname \KV@prefix\endcsname{#1}}%
+  \@namedef\KV@prefix##1}
+\endinput
+%%
+%% End of file `pst-key.tex'.