5 files changed, 51 insertions, 14 deletions
diff --git a/Master/texmf-dist/doc/generic/pstricks/pst-news20.pdf b/Master/texmf-dist/doc/generic/pstricks/pst-news20.pdf
index c3bdd08629c..b38ebe0f52a 100644
--- a/Master/texmf-dist/doc/generic/pstricks/pst-news20.pdf
+++ b/Master/texmf-dist/doc/generic/pstricks/pst-news20.pdf
diff --git a/Master/texmf-dist/doc/generic/pstricks/pst-news20.tex b/Master/texmf-dist/doc/generic/pstricks/pst-news20.tex
index cf75126c9d9..00acba1ff2c 100644
--- a/Master/texmf-dist/doc/generic/pstricks/pst-news20.tex
+++ b/Master/texmf-dist/doc/generic/pstricks/pst-news20.tex
@@ -1,4 +1,4 @@
-%% $Id: pst-news20.tex 6 2020-06-10 18:50:14Z herbert $
+%% $Id: pst-news20.tex 23 2020-09-18 06:29:04Z herbert $
 \documentclass[11pt,english,BCOR=10mm,DIV=12,bibliography=totoc,parskip=false,headings=small,
     headinclude=false,footinclude=false,twoside]{scrartcl}
 
@@ -9,7 +9,7 @@
 \usepackage{libertinus}
 \usepackage[scaled=0.88]{beramono}
 \usepackage{babel}
-\usepackage[svgnames,dvipsnames,x11names]{pstricks-pdf}
+\usepackage[svgnames,dvipsnames,x11names,pspdf=-dALLOWPSTRANSPARENCY]{pstricks-pdf}
 \usepackage{pstricks-add}
 
 \usepackage{biblatex}
@@ -115,6 +115,11 @@ for \Lcs{psgrid}:
 
 The function \texttt{Grid} supports GridDX and GridDY.
 
+The current version 1.32 should handle transparency for all Ghostscript versions.
+For versions > 9.52 you need for \verb|ps2pdf| the optional argument \verb|-dALLOWPSTRANSPARENCY|
+instead of \verb|-dNOSAFER|, which is still needed if you want to write Postscript files from within
+the \TeX-run.
+
 
 \nocite{*}
 \printbibliography
diff --git a/Master/texmf-dist/dvips/pstricks/pstricks.pro b/Master/texmf-dist/dvips/pstricks/pstricks.pro
index 9ea39830feb..5c3cb6e755c 100644
--- a/Master/texmf-dist/dvips/pstricks/pstricks.pro
+++ b/Master/texmf-dist/dvips/pstricks/pstricks.pro
@@ -1,7 +1,7 @@
-% $Id: pstricks.pro 4 2020-06-09 08:32:19Z herbert $
+% $Id: pstricks.pro 23 2020-09-18 06:29:04Z herbert $
 %
 %% PostScript prologue for pstricks.tex.
-%% Version 1.30, 2018/12/17
+%% Version 1.32, 2020/09/18
 %%
 %% This program can be redistributed and/or modified under the terms
 %% of the LaTeX Project Public License Distributed from CTAN archives
@@ -10,9 +10,40 @@
 %
 % Define the follwing gs-functions if not known, eg when using distiller
 %
-systemdict /.setopacityalpha known not {/.setopacityalpha { pop } def } if
-systemdict /.setblendmode known not {/.setblendmode { pop } def } if
-systemdict /.setshapealpha known not {/.setshapealpha { pop } def } if
+
+revision 952 gt 
+{
+  systemdict /.setalphaisshape known not
+  {
+    (\n\n%%%% WARNING: Transparency operations ignored - need to use -dALLOWPSTRANSPARENCY\n\n) print flush
+    /.pushpdf14devicefilter {pop} bind def
+    /.begintransparencygroup {pop pop pop pop pop} bind def
+    /.endtransparencygroup {} bind def
+    /.poppdf14devicefilter {} bind def
+    /.setfillconstantalpha {pop} bind def
+    /.setstrokeconstantalpha {pop} bind def
+    /PageUsesTransparency false def
+  }
+  {
+    systemdict /.setopacityalpha known not 
+      { systemdict /.setfillconstantalpha known { /.setopacityalpha /.setfillconstantalpha load def } { /.setopacityalpha { pop } def } ifelse } if
+    systemdict /.setblendmode known not { /.setblendmode { pop } def } if
+    systemdict /.setshapealpha known not 
+      { systemdict /.setstrokeconstantalpha known { /.setshapealpha {dup .setfillconstantalpha .setstrokeconstantalpha true .setalphaisshape } def } { /.setshapealpha { pop } def } ifelse } if
+  } ifelse
+}
+{
+  systemdict /.setopacityalpha known not 
+  { 
+    (\n\n%%%% WARNING: Transparency operations ignored - need to use -dNOSAFER\n\n) print flush
+    /.setopacityalpha { pop } bind def 
+    /.setshapealpha { pop } bind def 
+  } if
+} ifelse
+
+%%<bool> .setalphaisshape -
+%%    If true, the values set by setstrokeconstantalpha and setfillconstantalpha are interpreted as shape values. The initial value of the AIS flag is false. 
+
 %
 /tx@Dict 200 dict def 				% the main PSTricks dictionary
 tx@Dict begin
diff --git a/Master/texmf-dist/tex/generic/pstricks/pstricks.tex b/Master/texmf-dist/tex/generic/pstricks/pstricks.tex
index 827e5d5d849..80be67ad6aa 100644
--- a/Master/texmf-dist/tex/generic/pstricks/pstricks.tex
+++ b/Master/texmf-dist/tex/generic/pstricks/pstricks.tex
@@ -1,7 +1,7 @@
 %% pstricks.tex
 %% COPYRIGHT 1993, 1994, 1999 by Timothy Van Zandt
 %% COPYRIGHT 2000-2003 by Denis Girou.
-%% Copyright 2004-2019 Herbert Voss <hvoss@tug.org>
+%% Copyright 2004-     by  Herbert Voss <hvoss@tug.org>
 %
 % This work may be distributed and/or modified under the
 % conditions of the LaTeX Project Public License, either version 1.3
@@ -80,8 +80,8 @@
 \fi
 \let\pgfforeach\foreach
 %
-\def\fileversion{2.97}
-\def\filedate{2019/05/11}
+\def\fileversion{3.01}
+\def\filedate{2020/09/18}
 \pst@addfams{pstricks}
 %
 %\define@boolkey[psset]{pstricks}[Pst@]{useURWfonts}[true]{}
@@ -1220,7 +1220,7 @@
 \psset{linecap=0}
 %------------------------- Transparency modes ----------------------------
 \pst@def{setTransparency}< \psk@opacityalpha .setopacityalpha >
-\pst@def{setStrokeTransparency}< \psk@strokeopacityalpha .setopacityalpha >
+\pst@def{setStrokeTransparency}< \psk@strokeopacityalpha revision 952 gt { .setstrokeconstantalpha }{ .setopacityalpha } ifelse >
 \pst@def{setBlendmode}<
     \ifcase\psk@blendmode
       /Normal \or
diff --git a/Master/texmf-dist/tex/latex/pstricks/pstricks-pdf.sty b/Master/texmf-dist/tex/latex/pstricks/pstricks-pdf.sty
index bbed5743017..9923109fbba 100644
--- a/Master/texmf-dist/tex/latex/pstricks/pstricks-pdf.sty
+++ b/Master/texmf-dist/tex/latex/pstricks/pstricks-pdf.sty
@@ -1,4 +1,4 @@
-% $Id: pstricks-pdf.sty 6 2020-06-10 18:50:14Z herbert $
+% $Id: pstricks-pdf.sty 23 2020-09-18 06:29:04Z herbert $
 %%
 %% This is file `pstricks-pdf.sty'.
 %%
@@ -16,7 +16,7 @@
 %%
 
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{pstricks-pdf}[2020/06/11 v0.01 creating pdf output (hv)]
+\ProvidesPackage{pstricks-pdf}[2020/06/11 v0.02 creating pdf output (hv)]
 \RequirePackage{ifpdf,xkeyval,ifplatform}
 
 \newif\if@app@off@
@@ -70,7 +70,8 @@
     dvips={-Ppdf},
     pdfcrop={},
     cleanup={log,aux,dvi,ps,pdf},
-    runs=1
+    runs=1,
+    pspdf={-dALLOWPSTRANSPARENCY},
 }
 \ifwindows
   \ExecuteOptionsX{pspdf={}}