[SCM] gawk branch, gawk-5.1-stable, updated. gawk-4.1.0-4158-g1b578af

[Arnold Robbins]

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The branch, gawk-5.1-stable has been updated
       via  1b578af8ca7d71a184175b38ae36ab3470c1ac4a (commit)
      from  09a0ee18baaa8fa83f9f94f783a801f6f436d2fd (commit)

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- Log -----------------------------------------------------------------
http://git.sv.gnu.org/cgit/gawk.git/commit/?id=1b578af8ca7d71a184175b38ae36ab3470c1ac4a

commit 1b578af8ca7d71a184175b38ae36ab3470c1ac4a
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Thu Oct 22 06:33:56 2020 +0300

    Update aux files.

diff --git a/build-aux/ChangeLog b/build-aux/ChangeLog
index 309af5d..99927e9 100644
--- a/build-aux/ChangeLog
+++ b/build-aux/ChangeLog
@@ -1,3 +1,7 @@
+2020-10-22         Arnold D. Robbins     <arnold@skeeve.com>
+
+       * config.sub: Updated from GNULIB.
+
 2020-10-04         Arnold D. Robbins     <arnold@skeeve.com>
 
        * config.sub: Updated from GNULIB.
diff --git a/build-aux/config.sub b/build-aux/config.sub
index 9bc49a7..8167d08 100755
--- a/build-aux/config.sub
+++ b/build-aux/config.sub
@@ -2,7 +2,7 @@
 # Configuration validation subroutine script.
 #   Copyright 1992-2020 Free Software Foundation, Inc.
 
-timestamp='2020-09-08'
+timestamp='2020-10-13'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -1288,6 +1288,10 @@ case $basic_os in
                kernel=linux
                os=`echo $basic_os | sed -e 's|gnu/linux|gnu|'`
                ;;
+       os2-emx)
+               kernel=os2
+               os=`echo $basic_os | sed -e 's|os2-emx|emx|'`
+               ;;
        nto-qnx*)
                kernel=nto
                os=`echo $basic_os | sed -e 's|nto-qnx|qnx|'`
@@ -1716,7 +1720,7 @@ case $os in
             | skyos* | haiku* | rdos* | toppers* | drops* | es* \
             | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
             | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
-            | nsk* | powerunix* | genode* | zvmoe* | qnx* )
+            | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx*)
                ;;
        # This one is extra strict with allowed versions
        sco3.2v2 | sco3.2v[4-9]* | sco5v6*)
@@ -1747,6 +1751,8 @@ case $kernel-$os in
                ;;
        nto-qnx*)
                ;;
+       os2-emx)
+               ;;
        *-eabi* | *-gnueabi*)
                ;;
        -*)
diff --git a/doc/ChangeLog b/doc/ChangeLog
index 92ba158..0a7f20f 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,7 @@
+2020-10-22         Arnold D. Robbins     <arnold@skeeve.com>
+
+       * texinfo.tex: Updated from GNULIB.
+
 2020-10-16         Arnold D. Robbins     <arnold@skeeve.com>
 
        * gawktexi.in: After review, remove/update some FIXMEs, and
diff --git a/doc/texinfo.tex b/doc/texinfo.tex
index 0d2a1fd..c73758f 100644
--- a/doc/texinfo.tex
+++ b/doc/texinfo.tex
@@ -3,7 +3,7 @@
 % Load plain if necessary, i.e., if running under initex.
 \expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
 %
-\def\texinfoversion{2020-06-25.17}
+\def\texinfoversion{2020-10-15.12}
 %
 % Copyright 1985, 1986, 1988, 1990-2020 Free Software Foundation, Inc.
 %
@@ -3038,10 +3038,18 @@ end
 % arg (if given), and not the url (which is then just the link target).
 \newif\ifurefurlonlylink
 
+% The default \pretolerance setting stops the penalty inserted in
+% \urefallowbreak being a discouragement to line breaking.  Set it to
+% a negative value for this paragraph only.  Hopefully this does not
+% conflict with redefinitions of \par done elsewhere.
+\def\nopretolerance{%
+\pretolerance=-1
+\def\par{\endgraf\pretolerance=100 \let\par\endgraf}%
+}
+
 % The main macro is \urefbreak, which allows breaking at expected
-% places within the url.  (There used to be another version, which
-% didn't support automatic breaking.)
-\def\urefbreak{\begingroup \urefcatcodes \dourefbreak}
+% places within the url.
+\def\urefbreak{\nopretolerance \begingroup \urefcatcodes \dourefbreak}
 \let\uref=\urefbreak
 %
 \def\dourefbreak#1{\urefbreakfinish #1,,,\finish}
@@ -3152,14 +3160,14 @@ end
 
 % Allow a ragged right output to aid breaking long URL's.  There can
 % be a break at the \allowbreak with no extra glue (if the existing stretch in
-% the line is sufficient), a break at the \penalty100 with extra glue added
+% the line is sufficient), a break at the \penalty with extra glue added
 % at the end of the line, or no break at all here.
 %   Changing the value of the penalty and/or the amount of stretch affects how
 % preferable one choice is over the other.
 \def\urefallowbreak{%
-  \allowbreak
+  \penalty0\relax
   \hskip 0pt plus 2 em\relax
-  \penalty300
+  \penalty1000\relax
   \hskip 0pt plus -2 em\relax
 }
 
@@ -3356,6 +3364,25 @@ end
 \def\sup{\ifmmode \expandafter\ptexsp \else \expandafter\finishsup\fi}
 \def\finishsup#1{$\ptexsp{\hbox{\switchtolllsize #1}}$}%
 
+% provide this command from LaTeX as it is very common
+\def\frac#1#2{{{#1}\over{#2}}}
+
+% @displaymath.
+% \globaldefs is needed to recognize the end lines in \tex and
+% \end tex.  Set \thisenv as @end displaymath is seen before @end tex.
+{\obeylines
+\globaldefs=1
+\envdef\displaymath{%
+\tex
+\def\thisenv{\displaymath}%
+$$%
+}
+
+\def\Edisplaymath{$$
+\def\thisenv{\tex}%
+\end tex
+}}
+
 % @inlinefmt{FMTNAME,PROCESSED-TEXT} and @inlineraw{FMTNAME,RAW-TEXT}.
 % Ignore unless FMTNAME == tex; then it is like @iftex and @tex,
 % except specified as a normal braced arg, so no newlines to worry about.

-----------------------------------------------------------------------

Summary of changes:
 build-aux/ChangeLog  |  4 ++++
 build-aux/config.sub | 10 ++++++++--
 doc/ChangeLog        |  4 ++++
 doc/texinfo.tex      | 41 ++++++++++++++++++++++++++++++++++-------
 4 files changed, 50 insertions(+), 9 deletions(-)


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