4 files changed, 53 insertions, 7 deletions
diff --git a/Master/texmf-dist/doc/generic/pst-func/Changes b/Master/texmf-dist/doc/generic/pst-func/Changes
index 5f0cb2b0549..3fa24cd4261 100644
--- a/Master/texmf-dist/doc/generic/pst-func/Changes
+++ b/Master/texmf-dist/doc/generic/pst-func/Changes
@@ -1,4 +1,5 @@
 ..... pst-func.tex
+0.89  2018-04-08  - added labelangle and labeldistance for \psZero, 
 0.88  2017-08-24  - use always URW fonts instead of PostScript, 
                     eg Helvetica->NimbusSanL
 0.87a 2017-08-17  - added \RequirePackage for pst-func.sty
diff --git a/Master/texmf-dist/doc/generic/pst-func/README.md b/Master/texmf-dist/doc/generic/pst-func/README.md
index ac18c266c9e..e561341de8e 100644
--- a/Master/texmf-dist/doc/generic/pst-func/README.md
+++ b/Master/texmf-dist/doc/generic/pst-func/README.md
@@ -35,10 +35,6 @@
 Save the files pst-func.sty|pro|tex in a directory, which is part of your 
 local TeX tree. The pro file should go into $TEXMF/dvips/pstricks/
 Then do not forget to run texhash to update this tree.
-For more information  see the documentation of your TeX distribution 
-on installing packages into your local TeX system or read the 
-TeX Frequently Asked Questions:
-(http://www.tex.ac.uk/cgi-bin/texfaq2html?label=instpackages).
 
 pst-func needs pst-plot (pstricks-add) and pstricks, which should 
 be part of your local TeX installation, otherwise get it from a 
@@ -48,4 +44,7 @@ PSTricks is PostScript Tricks, the documentation cannot be run
 with pdftex, use the sequence latex->dvips->ps2pdf or
 pdflatex with package auto-pst-pdf or xelatex.
 
+hvoss@tug.org
+
 %% $Id: README 897 2014-03-21 08:06:41Z herbert $
+
diff --git a/Master/texmf-dist/doc/generic/pst-func/pst-func-doc.pdf b/Master/texmf-dist/doc/generic/pst-func/pst-func-doc.pdf
index 5917f210881..3711135db29 100644
--- a/Master/texmf-dist/doc/generic/pst-func/pst-func-doc.pdf
+++ b/Master/texmf-dist/doc/generic/pst-func/pst-func-doc.pdf
diff --git a/Master/texmf-dist/doc/generic/pst-func/pst-func-doc.tex b/Master/texmf-dist/doc/generic/pst-func/pst-func-doc.tex
index dd322755d9d..00bac51fcf1 100644
--- a/Master/texmf-dist/doc/generic/pst-func/pst-func-doc.tex
+++ b/Master/texmf-dist/doc/generic/pst-func/pst-func-doc.tex
@@ -1,11 +1,12 @@
 %% $Id: pst-func-doc.tex 918 2014-05-19 12:32:37Z herbert $
-\documentclass[11pt,english,BCOR10mm,DIV12,bibliography=totoc,parskip=false,
-   smallheadings, headexclude,footexclude,oneside]{pst-doc}
+\documentclass[fontsize=11pt,english,BCOR=10mm,DIV=12,bibliography=totoc,parskip=false,
+   headings=small, headinclude=false,footinclude=false,oneside]{pst-doc}
 \usepackage[utf8]{inputenc}
 \usepackage{pst-func}
 \let\pstFuncFV\fileversion
 \usepackage{pst-math}
 \usepackage{pstricks-add}
+\usepackage{luatex85}
 \usepackage{animate}
 \renewcommand\bgImage{%
 \psset{yunit=4cm,xunit=3}
@@ -605,7 +606,7 @@ which plots the envelope curve instead of the Bernstein polynomial.
 
 
 \clearpage
-\subsection{Calculating the zeros of a function or the the intermediate point of two function}
+\section{Calculating the zeros of a function or the the intermediate point of two function}
 
 \begin{BDef}
 \Lcs{psZero}\OptArgs\Largr{$x_0,x_1$}\Largb{functionA}\OptArg{functionB}\Largb{node name}
@@ -952,7 +953,52 @@ The following examples where done by Jürgen Gilg and Thomas Söll.
 %\end{LTXexample}
 
 
+As an alternative the values of the zeros can be placed by using the optional arguments 
+\Lkeyword{labelangle} and 
+\Lkeyword{labeldistance}:
+
+
+\begin{LTXexample}[pos=t]
+\definecolor{BeigeTS}{rgb}{0.98,0.95,0.87}
+\definecolor{CornBlauTS}{rgb}{0.39,0.59,0.93}
+\definecolor{SandBraun}{rgb}{0.96,0.64,0.38}
+\psset{yunit=1.25cm,arrowinset=0.02,arrowlength=2,linewidth=0.5pt,saveNodeCoors,NodeCoorPrefix=n,comma}
+\def\funkf{2*sqrt(x)*cos(ln(x))*sin(x)}
+\begin{pspicture}[plotpoints=500,algebraic,fontscale=5,markZeros,
+  PointName=N,dotscale=0.7](-0.5,-3)(10,2.5)
+\psStep[fillstyle=solid,fillcolor=BeigeTS,opacity=0.7,linewidth=0.3pt,
+       linecolor=SandBraun!50](0.001,9.5){40}{\funkf}
+\psStep[StepType=Riemann,fillstyle=solid,opacity=0.3,fillcolor=CornBlauTS,
+       linecolor=CornBlauTS,linewidth=0.3pt](0.001,9.5){40}{\funkf}
+\psaxes[labelFontSize=\scriptstyle,ticksize=-0.1 0]{->}(0,0)(0,-2.75)(10,2.5)
+\psplot[linecolor=BeigeTS!60,linewidth=0.8pt]{0.001}{9.75}{\funkf}
+\psplotTangent[linecolor=blue,Derive={Derive(1,\funkf)}]{1.29}{1.5}{\funkf}
+\uput[90](6,1.2){$f(x)=2\cdot\sqrt{x}\cdot\cos{(\ln{x})}\cdot\sin{x}$}
+{\psset{dotscale=1.5,linecolor=blue!50!black!90,ydecimals=0,Framed,opacity=0.8,decimals=1,PrintCoord}
+ \psZero[labelangle=-90,labeldistance=0.3,postString=1,Newton](0.5,1){\funkf}{N1}
+ \psZero[labelangle=-90,labeldistance=0.3,postString=2](2,4){\funkf}{N2}
+ \psZero[labelangle=-90,labeldistance=0.3,postString=3](4,6){\funkf}{N3}
+ \psZero[labelangle=-90,labeldistance=0.3,postString=4](6,7){\funkf}{N4}
+ \psZero[labelangle=-90,labeldistance=0.3,PointName=x,postString=5,xory,PrintCoord=false,
+    linestyle=none,fillcolor=green,opacity=0.6](9,11){\funkf}{N5}
+ \psZero[labelangle=-90,labeldistance=0.3,PointName=M,decimals=0,linestyle=none,fillcolor=SandBraun,
+  ydecimals=1,opacity=0.8,postString={m=1}](0.5,2){Derive(1,\funkf)-1+\funkf}[\funkf]{M}%
+}
+\pcline{->}(0.5,-1)(M)
+\nbput[nrot=:U,labelsep=0.3,npos=0.2]{%
+  \scriptsize \psZero[originV=true,xory=true,onlyYVal=true,PointName=f(x),postString={m=1},Framed,
+  opacity=0.8,linestyle=none,markZeros=false,fontscale=10](0.5,2){Derive(1,\funkf)-1+\funkf}[\funkf]{R}}
+\psdot[linecolor=green,strokeopacity=0.8](M)
+\uput{0.5}[40](M){\psZero[originV=true,approx=false,xory=true,onlyYVal=true,
+ PointName=m,postString={m=1},markZeros=false,fontscale=8](0.5,2){Derive(1,\funkf)-1}[1]{R}}
+\end{pspicture}
+\end{LTXexample}
+
+
+
 \psset{unit=1cm}
+
+
 \clearpage
 \section{\Lcs{psFourier}}
 A Fourier sum has the form: