MetaPost: small improvements in manual; some minor fixes.

git-svn-id: svn://tug.org/texlive/trunk@57271 c570f23f-e606-0410-a88d-b1316a301751

7 files changed, 23 insertions, 13 deletions

diff --git a/Build/source/texk/web2c/mplibdir/ChangeLog b/Build/source/texk/web2c/mplibdir/ChangeLog
index fbfbdba5eff..87b2fa9be65 100644
--- a/Build/source/texk/web2c/mplibdir/ChangeLog
+++ b/Build/source/texk/web2c/mplibdir/ChangeLog
@@ -1,3 +1,12 @@
+2020-12-28  Luigi Scarso  <luigi.scarso@gmail.com>
+	* Temp, fix in mpx_copy_mpto, changed || with && to avoid a wrong final %
+
+
+2020-12-27  Luigi Scarso  <luigi.scarso@gmail.com>
+	* Fixed some typos in manual (thank to 胡亚捷 (Hu Yajie) )
+	* Added the undocumented -T option
+	* Added  some autotools files to make reautoconf working again
+
 2020-11-26  Luigi Scarso  <luigi.scarso@gmail.com>
 	* Added mp-tangle dependency to libmplib.am
 	  to fix parallel compilation
diff --git a/Build/source/texk/web2c/mplibdir/mpost.w b/Build/source/texk/web2c/mplibdir/mpost.w
index 5e01a411506..5e447270678 100644
--- a/Build/source/texk/web2c/mplibdir/mpost.w
+++ b/Build/source/texk/web2c/mplibdir/mpost.w
@@ -1043,6 +1043,7 @@ fprintf(stdout,
 "  -recorder                 enable filename recorder\n"
 "  -restricted               be secure: disable tex, makempx and editor commands\n"
 "  -troff                    set prologues:=1 and assume TEXPROGRAM is really troff\n"
+"  -T                        same as -troff\n"
 "  -s INTERNAL=\"STRING\"      set internal INTERNAL to the string value STRING\n"
 "  -s INTERNAL=NUMBER        set internal INTERNAL to the integer value NUMBER\n"
 "  -help                     display this help and exit\n"
diff --git a/Build/source/texk/web2c/mplibdir/mpxout.w b/Build/source/texk/web2c/mplibdir/mpxout.w
index 22b8f242b35..f08645a28f0 100644
--- a/Build/source/texk/web2c/mplibdir/mpxout.w
+++ b/Build/source/texk/web2c/mplibdir/mpxout.w
@@ -564,7 +564,7 @@ static void mpx_copy_mpto (MPX mpx, FILE *outfile, int textype) {
     if (textype == B_TEX) {
       /* put no |%| at end if it's only 1 line total, starting with |%|;
        * this covers the special case |%&format| in a single line. */
-      if (t != s || *t != '%')
+      if (t != s && *t != '%')
         fprintf(outfile,"%%");
     }
     free(res);
diff --git a/Master/texmf-dist/doc/metapost/base/mpman.pdf b/Master/texmf-dist/doc/metapost/base/mpman.pdf
index 16e32d2ca44..1838024b4ae 100644
--- a/Master/texmf-dist/doc/metapost/base/mpman.pdf
+++ b/Master/texmf-dist/doc/metapost/base/mpman.pdf
diff --git a/Master/texmf-dist/doc/metapost/base/source-manual/mpman-app-numbersystems.tex b/Master/texmf-dist/doc/metapost/base/source-manual/mpman-app-numbersystems.tex
index 23d3dce7cf9..4839943fb1f 100644
--- a/Master/texmf-dist/doc/metapost/base/source-manual/mpman-app-numbersystems.tex
+++ b/Master/texmf-dist/doc/metapost/base/source-manual/mpman-app-numbersystems.tex
@@ -1,4 +1,4 @@
-\svnInfo $Id: mpman-app-numbersystems.tex 2023 2014-05-21 08:47:19Z stephanhennig $
+\svnInfo $Id: mpman-app-numbersystems.tex 2163 2020-12-31 19:51:53Z luigi.scarso@gmail.com $
 \section{High-precision arithmetic with MetaPost}
 \label{hparith}
 
@@ -21,7 +21,7 @@ Assigning a value to this variable at run-time triggers an error.
 
 The \texttt{scaled}\index{scaled?\texttt{scaled}} number system refers
 to 32~bit fixed-point arithmetics described in Section~\ref{datatypes}.
-This is the default number system.  Precision is ca. 10~decimal digits,
+This is the default number system.  Precision is ca.~10~decimal digits,
 5 digits before and after the comma.  All arithmetic operations are done
 in software.
 
@@ -31,9 +31,9 @@ precision.  In the internal representation, double floating-point
 numbers use $52+1$~bits for the mantissa, which determines precision,
 11~bits for the exponent, which determines the valid range of numbers,
 and one bit for the sign.  The smallest absolute value that can be
-represented is ca. $2.2\cdot10^{-308}$, the largest value is
-ca. $1.8\cdot10^{308}$.  The 53~bit mantissa makes for a precision of
-ca. 15 decimal digits.  The smallest possible difference between two
+represented is ca.~$2.2\cdot10^{-308}$, the largest value is
+ca.~$1.8\cdot10^{308}$.  The 53~bit mantissa makes for a precision of
+ca.~15 decimal digits.  The smallest possible difference between two
 distinct numbers in double floating-point number representation is
 $2^{-53} \approx 1.1\cdot10^{-16}$.  The largest integer value that can
 be represented exactly is $2^{53}-1 \approx 9,0\cdot10^{15}$.  Variable
@@ -53,7 +53,7 @@ Precision is determined by an internal variable
 in decimal digits.  Valid numbers are in the range 1 to 1000.  Higher
 values make for better precision at the expense of performance of
 arithmetic operations.  Default precision is 34~decimal digits
-(ca. 113~bits in the mantissa).  Exponent in the internal representation
+(ca.~113~bits in the mantissa).  Exponent in the internal representation
 is an integer in the range $[-9,999,999; +9,999,999]$.  All arithmetic
 operations are done in software using the MPFR library~\cite{lib:mpfr}
 and are usually orders of magnitude slower than in \texttt{double} mode.
diff --git a/Master/texmf-dist/doc/metapost/base/source-manual/mpman-app-refman.tex b/Master/texmf-dist/doc/metapost/base/source-manual/mpman-app-refman.tex
index 7d301c3ce09..3581ffdd8e3 100644
--- a/Master/texmf-dist/doc/metapost/base/source-manual/mpman-app-refman.tex
+++ b/Master/texmf-dist/doc/metapost/base/source-manual/mpman-app-refman.tex
@@ -472,7 +472,7 @@ $$\begin{tabular}{|l|l|l|r|l|}
 \pl\tt \verb|thelabel|& suffix, string, pair&   picture&        \pageref{Dthelab}&
         Text positioned as if to label a point\\\hline
 \pl\tt \verb|z|&        suffix& pair&   \pageref{Dzconv}&
-        The pair ${\tt x}\descr{suffix},{\tt y}\descr{suffix})$\\\hline
+        The pair $({\tt x}\descr{suffix},{\tt y}\descr{suffix})$\\\hline
 \end{tabular}
 $$
 \index{min?\texttt{min}}\index{max?\texttt{max}}%
diff --git a/Master/texmf-dist/doc/metapost/base/source-manual/mpman.tex b/Master/texmf-dist/doc/metapost/base/source-manual/mpman.tex
index ec77468753f..9df1bc3dba3 100644
--- a/Master/texmf-dist/doc/metapost/base/source-manual/mpman.tex
+++ b/Master/texmf-dist/doc/metapost/base/source-manual/mpman.tex
@@ -1,4 +1,4 @@
-% $Id: mpman.tex 2139 2018-02-19 14:38:47Z luigi.scarso@gmail.com $
+% $Id: mpman.tex 2155 2019-06-02 09:39:55Z luigi.scarso@gmail.com $
 % MetaPost manual, by John Hobby.  License at end.
 \listfiles
 \RequirePackage{ifpdf}
@@ -12,8 +12,8 @@
 \fi
 \documentclass{article} % article is NOT the original style
 \usepackage[nofancy]{svninfo}% Access VCS information.
-\svnInfo $Id: mpman.tex 2140 2019-06-01 14:38:47Z luigi.scarso@gmail.com $
-%\svnInfo $Id: mpman.tex 2139 2018-02-19 14:38:47Z luigi.scarso@gmail.com $
+\svnInfo $Id: mpman.tex 2155 2019-06-02 09:39:55Z luigi.scarso@gmail.com $
+%\svnInfo $Id: mpman.tex 2155 2019-06-02 09:39:55Z luigi.scarso@gmail.com $
 \newcommand*{\mpversion}{2.00}
 
 \usepackage[T1]{fontenc}
@@ -135,7 +135,7 @@
 MetaPost is a programming language much like Knuth's \MF\footnote{\MF\
 is a trademark of Addison Wesley Publishing
 company.}\index{metafont?\MF}~\cite{kn:c} except that it outputs
-either vector graphics in the Postscript or SVG formats or bitmap
+either vector graphics in the PostScript or SVG formats or bitmap
 graphics in the PNG format.  Borrowed from \MF\ are the basic tools for
 creating and manipulating pictures.  These include numbers, coordinate
 pairs, cubic splines, affine transformations, text strings, and boolean
@@ -5724,7 +5724,7 @@ documents with selected applications.
 
 MetaPost graphics in the PostScript\index{PostScript} format can be
 easily integrated into documents prepared with \TeX\ and friends.
-MetaPost's PostScript output is a low-featured dialect of the Postscript
+MetaPost's PostScript output is a low-featured dialect of the PostScript
 language, called \emph{purified EPS}\index{EPS!purified}, which can be
 converted into the Portable Document Format (PDF\index{PDF}) language
 on-the-fly.  For that reason, external MetaPost graphics can be used on