fontawesome icon name as alt text, tex4ht r1536; + some https updates

git-svn-id: svn://tug.org/texlive/trunk@71699 c570f23f-e606-0410-a88d-b1316a301751

6 files changed, 111 insertions, 58 deletions

diff --git a/Master/texmf-dist/source/generic/tex4ht/ChangeLog b/Master/texmf-dist/source/generic/tex4ht/ChangeLog
index 958b14b4794..f98f416574d 100644
--- a/Master/texmf-dist/source/generic/tex4ht/ChangeLog
+++ b/Master/texmf-dist/source/generic/tex4ht/ChangeLog
@@ -1,3 +1,7 @@
+2024-07-03  Michal Hoftich  <michal.h21@gmail.com>
+
+	* tex4ht-4ht.tex (fontawesome5.4ht): use icon name as the alt text.
+
 2024-06-21  Michal Hoftich  <michal.h21@gmail.com>
 
 	* tex4ht-4ht.tex (arydshln.4ht): fixed clash between Colortbl and
diff --git a/Master/texmf-dist/source/generic/tex4ht/tex4ht-4ht.tex b/Master/texmf-dist/source/generic/tex4ht/tex4ht-4ht.tex
index 16387851fd8..f3617f37572 100644
--- a/Master/texmf-dist/source/generic/tex4ht/tex4ht-4ht.tex
+++ b/Master/texmf-dist/source/generic/tex4ht/tex4ht-4ht.tex
@@ -1,4 +1,4 @@
-% $Id: tex4ht-4ht.tex 1535 2024-06-23 20:28:31Z michal_h21 $
+% $Id: tex4ht-4ht.tex 1536 2024-07-03 12:08:13Z michal_h21 $
 % tex tex4ht-4ht   or   ht tex tex4ht-4ht
 %
 % Copyright 2009-2024 TeX Users Group    
@@ -4265,18 +4265,19 @@ icons to pictures by TeX4ht conversion.
 
 \<fontawesome5.4ht\><<<
 % fontawesome5.4ht (|version), generated from |jobname.tex
-% Copyright 2021 TeX Users Group
+% Copyright 2021-2024 TeX Users Group
 |<TeX4ht license text|>
 \NewConfigure{fontawesome}{2}
 \ExplSyntaxOn
 \cs_new_protected:Nn\temp:nn{%
+\def\:fontawesomeicon{#2}% to be used in the alt text
 \a:fontawesome%
 \o:fontawesome_use_icon:nn:{#1}{#2}
 \b:fontawesome}
 
 \HLet\fontawesome_use_icon:nn\temp:nn
 \ExplSyntaxOff
-\Configure{fontawesome}{\Picture+{}}{\EndPicture}
+\Configure{fontawesome}{\Picture+[icon: \:fontawesomeicon]{}}{\EndPicture}
 \Hinput{fontawesome5}
 \endinput
 >>> \AddFile{9}{fontawesome5}
diff --git a/Master/texmf-dist/source/generic/tex4ht/tex4ht-cpright.tex b/Master/texmf-dist/source/generic/tex4ht/tex4ht-cpright.tex
index 35276909217..c15155fcc57 100644
--- a/Master/texmf-dist/source/generic/tex4ht/tex4ht-cpright.tex
+++ b/Master/texmf-dist/source/generic/tex4ht/tex4ht-cpright.tex
@@ -4,14 +4,14 @@
 % conditions of the LaTeX Project Public License, either
 % version 1.3c of this license or (at your option) any
 % later version. The latest version of this license is in
-%   http://www.latex-project.org/lppl.txt
+%   https://www.latex-project.org/lppl.txt
 % and version 1.3c or later is part of all distributions
 % of LaTeX version 2005/12/01 or later.
 %
 % This work has the LPPL maintenance status "maintained".
 %
 % The Current Maintainer of this work
-% is the TeX4ht Project <http://tug.org/tex4ht>.
+% is the TeX4ht Project <https://tug.org/tex4ht>.
 % 
 % If you modify this program, changing the 
 % version identification would be appreciated.>>>
diff --git a/Master/texmf-dist/tex/generic/tex4ht/fontawesome5.4ht b/Master/texmf-dist/tex/generic/tex4ht/fontawesome5.4ht
index 9bb9f9438bf..7f0f40d4b48 100644
--- a/Master/texmf-dist/tex/generic/tex4ht/fontawesome5.4ht
+++ b/Master/texmf-dist/tex/generic/tex4ht/fontawesome5.4ht
@@ -1,5 +1,5 @@
-% fontawesome5.4ht (2021-05-06-14:39), generated from tex4ht-4ht.tex
-% Copyright 2021 TeX Users Group
+% fontawesome5.4ht (2024-07-03-13:28), generated from tex4ht-4ht.tex
+% Copyright 2021-2024 TeX Users Group
 %
 % This work may be distributed and/or modified under the
 % conditions of the LaTeX Project Public License, either
@@ -16,18 +16,19 @@
 %
 % If you modify this program, changing the
 % version identification would be appreciated.
-\immediate\write-1{version 2021-05-06-14:39}
+\immediate\write-1{version 2024-07-03-13:28}
 
 \NewConfigure{fontawesome}{2}
 \ExplSyntaxOn
 \cs_new_protected:Nn\temp:nn{%
+\def\:fontawesomeicon{#2}% to be used in the alt text
 \a:fontawesome%
 \o:fontawesome_use_icon:nn:{#1}{#2}
 \b:fontawesome}
 
 \HLet\fontawesome_use_icon:nn\temp:nn
 \ExplSyntaxOff
-\Configure{fontawesome}{\Picture+{}}{\EndPicture}
+\Configure{fontawesome}{\Picture+[icon: \:fontawesomeicon]{}}{\EndPicture}
 \Hinput{fontawesome5}
 \endinput
 
diff --git a/Master/texmf-dist/tex4ht/base/unix/tex4ht.env b/Master/texmf-dist/tex4ht/base/unix/tex4ht.env
index 5cea6b85ea4..fe925e59e05 100644
--- a/Master/texmf-dist/tex4ht/base/unix/tex4ht.env
+++ b/Master/texmf-dist/tex4ht/base/unix/tex4ht.env
@@ -1,4 +1,4 @@
-% tex4ht.env-unix (2023-12-11-15:24), generated from tex4ht-env.tex
+% tex4ht.env (private) (2024-06-23-13:56), generated from tex4ht-env.tex
 % (can be used as ~/.tex4ht)
 % Copyright 2009-2023 TeX Users Group
 % Copyright 1997-2009 Eitan M. Gurari
@@ -7,14 +7,14 @@
 % conditions of the LaTeX Project Public License, either
 % version 1.3c of this license or (at your option) any
 % later version. The latest version of this license is in
-%   http://www.latex-project.org/lppl.txt
+%   https://www.latex-project.org/lppl.txt
 % and version 1.3c or later is part of all distributions
 % of LaTeX version 2005/12/01 or later.
 %
 % This work has the LPPL maintenance status "maintained".
 %
 % The Current Maintainer of this work
-% is the TeX4ht Project <http://tug.org/tex4ht>.
+% is the TeX4ht Project <https://tug.org/tex4ht>.
 %
 % If you modify this program, changing the
 % version identification would be appreciated.%
@@ -54,7 +54,9 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %
 %
-tpath/tex/texmf/fonts/tfm/!
+t/usr/local/teTeX/share/texmf/fonts/tfm/!
+t/var/tmp/texfonts/tfm/!
+ t/usr/local/teTeX/texmf/fonts/vf/!
 %
 <default>
 i%%~/tex4ht/ht-fonts/iso8859/1/!
@@ -150,12 +152,27 @@ i%%~/tex4ht/ht-fonts/alias/!
 
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% dvi-to-xxx                                                        %
-%   choose one G-script                                             %
+% Select one of the G scripts                                       %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % dvips options                                                     %
 %   magnification: -x mag  (e.g., -x 1200)                          %
 %   page size:     -T x,y  (e.g., -T 14in,14in)                     %
+%   gs fonts:      -Pfont  (e.g., -Pcmz -Pamz)                      %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+<convert-old>
+ G.png
+ Gdvips -E -q -Ppdf -f %%1 -pp %%2 > zz%%4.ps
+ Ggs -sDEVICE=pngalpha -sOutputFile=%%3 -r110x110 -dEPSCrop -dBackgroundColor=16#ffffff -dTextAlphaBits=2 -dGraphicsAlphaBits=2 -q -dbatch -dNOPAUSE zz%%4.ps -c quit
+ Grm zz%%4.ps    
+G.svg
+Gdvisvgm -n -p %%2 --exact -c 1.4,1.4 -o %%3 %%1  
+G.
+Gdvips -Ppdf -mode ibmvga -D 110 -f %%1 -pp %%2 > zz%%4.ps
+Ggs -sDEVICE=ppm -sOutputFile=zz%%4.ppm -r110x110 -dTextAlphaBits=2 -dGraphicsAlphaBits=2 -q -dbatch -dNOPAUSE zz%%4.ps -c quit
+Gconvert zz%%4.ppm -crop 0x0 +page -density 110x110 -transparent '#FFFFFF' %%3
+Grm zz%%4.ps
+Grm zz%%4.ppm    
+</convert-old>
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 <netpbm>
 Gdvips -Ppdf -mode ibmvga -D 110 -f %%1 -pp %%2  > zz%%4.ps
@@ -169,24 +186,6 @@ Grm zz%%4.ppm
 Grm temp.ppm
 % Gppmtogif -interlace -transparent 1,1,1 zz%%4.ppm > %%3 
 </netpbm>
-<convert>
- G.png
- Gdvips -E -q -Ppdf -f %%1 -pp %%2 > zz%%4.ps
- Ggs -sDEVICE=pngalpha -sOutputFile=%%3 -r110x110 -dEPSCrop -dBackgroundColor=16#ffffff -dTextAlphaBits=2 -dGraphicsAlphaBits=2 -q -dbatch -dNOPAUSE zz%%4.ps -c quit
- Grm zz%%4.ps    
-G.svg
-Gdvisvgm -n -p %%2 --exact -c 1.4,1.4 -o %%3 %%1  
-G.
-%echo "dbg: got to dvips to png via gs (unix dvips convert)"
-Gdvips -E -q -Ppdf -f %%1 -pp %%2 > zz%%4.ps
-Ggs -sDEVICE=pngalpha -sOutputFile=%%3 -r110x110 -dEPSCrop -dBackgroundColor=16#ffffff -dTextAlphaBits=2 -dGraphicsAlphaBits=2 -q -dbatch -dNOPAUSE zz%%4.ps -c quit
-Grm zz%%4.ps 
-%--------- alternative instructions for old versions of convert
-% Gconvert -trim -density 110x110 -transparent "#FFFFFF" zz%%4.ps %%3
-% Gconvert -crop 0x0 +repage -density 110x110 -transparent "#FFFFFF" zz%%4.ps %%3
-% Gconvert -crop 0x0 +page -density 110x110 -transparent "#FFFFFF" zz%%4.ps %%3
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%  
-</convert>
  <dvipng>
 G.png
 %echo "dbg: got to dvi to png via (dvipng)"
@@ -203,6 +202,11 @@ Gdvipng -T tight -D 144 -bg Transparent -pp %%2:%%2 %%1 -o %%3
 %Grm zz%%4.ps
   </dvipng>
 
+ <convert>
+Gdvips -E -q -Ppdf -f %%1 -pp %%2 > zz%%4.ps
+Ggs -sDEVICE=pngalpha -sOutputFile=%%3 -r110x110 -dEPSCrop -dBackgroundColor=16#ffffff -dTextAlphaBits=2 -dGraphicsAlphaBits=2 -q -dbatch -dNOPAUSE zz%%4.ps -c quit
+Grm zz%%4.ps 
+ </convert>
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % Default scripts, shifted rightward 1 pos
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -214,78 +218,121 @@ Gdvipng -T tight -D 144 -bg Transparent -pp %%2:%%2 %%1 -o %%3
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  %
 %
-% * Address for an automatically created bookkeeping file           %
-% * Ignored under kpathsea                                          %
-% * The work directory is assumed for a default                     %
- l~/tex4ht.dir/tex4ht.fls
 %
 % t4ht -d%%2                                                        %
 Mmv %%1 %%2%%3
 Ccp %%1 %%2%%3
+% t4ht -e%%1 -d%%2                                                  %
+Ecp empty.png %%1%%2
 % t4ht -d%%2 -m%%1                                                  %
 Achmod %%1 %%2%%3
 % removed protection                                                %
 S*
 %
+% * Address for an automatically created bookkeeping file           %
+% * The work directory is assumed for a default                     %
+l~/tex4ht.dir/tex4ht.fls
+%
 <javahelp>
 .html mv %%1.html %%1.tmp
-.html java -classpath  %%~/tex4ht/bin/tex4ht.jar xtpipes -i %%~/tex4ht/xtpipes/ -s javahelp.4xt -o %%1.html %%1.tmp
-.jhm echo "java -jar ${HOME}/jh2.0/javahelp/bin/jhindexer.jar -db %%0-doc/%%1-jhs %%1*.html"
-.jhm echo "--- Warning ---  Beware of leftover %%1*.html files from other compilations"
-.jhm java -jar ${HOME}/jh2.0/javahelp/bin/jhindexer.jar -db %%0-doc/%%1-jhs %%1*.html
+.html java -classpath %%~/tex4ht/bin/tex4ht.jar xtpipes -i %%~/tex4ht/xtpipes/ -s javahelp.4xt -o %%1.html %%1.tmp
+.jhm echo "java -jar ${HOME}/javahelp.dir/jh2.0/javahelp/bin/jhindexer.jar -db %%0-doc/%%1-jhs %%1*.html"
+.jhm echo "--- Warning --- Beware of leftover %%1*.html files from other compilations"
+.jhm java -jar ${HOME}/javahelp.dir/jh2.0/javahelp/bin/jhindexer.jar -db %%0-doc/%%1-jhs %%1*.html
 </javahelp>
+<javahelp-prog>
+.java rm -r -f %%0-java.dir
+.java mkdir %%0-java.dir
+.java cp *.java %%0-java.dir/.
+.java javac -classpath ${HOME}/javahelp.dir/jh2.0/javahelp/lib/jh.jar %%0-java.dir/%%1.java
+.java chdir %%0-java.dir; jar -cf %%1.jar *.class ;  chdir  ..
+.java mv %%0-java.dir/%%1.jar .
+.java rm -r -f %%0-java.dir
+.java zip -r %%1 %%0-doc %%1.jar
+</javahelp-prog>
 <javahelp1>
-.jhm java -jar ${HOME}/jh1.1.3/javahelp/bin/jhindexer.jar -db %%0-doc/%%1-jhs %%1*.html
+.jhm java -jar ${HOME}/javahelp.dir/jh1.1.3/javahelp/bin/jhindexer.jar -db %%0-doc/%%1-jhs %%1*.html
 </javahelp1>
+<javahelp1-prog>
+.java rm -r -f %%0-java.dir
+.java mkdir %%0-java.dir
+.java cp *.java %%0-java.dir/.
+.java javac -classpath ${HOME}/javahelp.dir/jh1.1.3/javahelp/lib/jh.jar %%0-java.dir/%%1.java
+.java chdir %%0-java.dir; jar -cf %%1.jar *.class ;  chdir  ..
+.java mv %%0-java.dir/%%1.jar .
+.java rm -r -f %%0-java.dir
+.java zip -r %%1 %%0-doc %%1.jar
+</javahelp1-prog>
 
 <emspk>
 .html mv %%1.html %%1.tmp
-.html java -classpath  %%~/tex4ht/bin/tex4ht.jar xtpipes -i %%~/tex4ht/xtpipes/ -o %%1.html %%1.tmp
+.html java -classpath %%~/tex4ht/bin/tex4ht.jar xtpipes -i %%~/tex4ht/xtpipes/ -o %%1.html %%1.tmp
+.html xmllint --noout %%1.html
 </emspk>
 
 <jsml>
 .jsml mv %%1.jsml %%1.tmp
 .jsml java -classpath %%~/tex4ht/bin/tex4ht.jar xtpipes -i %%~/tex4ht/xtpipes/ -o %%1.jsml %%1.tmp
+.jsml xmllint --noout %%1.jsml
 </jsml>
 
 <docbk>
 .xml cp %%1.xml %%1.tmp
 .xml java -classpath %%~/tex4ht/bin/tex4ht.jar xtpipes -i %%~/tex4ht/xtpipes/ -o %%1.xml %%1.tmp
+.xml xmllint --relaxng /home/4/gurari/dtd.dir/docbook.dir/docbook-5.0/rng/docbook.rng -noout -dropdtd -nonet %%0.xml
 </docbk>
 
 <xhtml>
 .html mv %%1.html %%1.tmp
-.html java -classpath  %%~/tex4ht/bin/tex4ht.jar xtpipes -i %%~/tex4ht/xtpipes/ -s xhtml.4xt -o %%1.html %%1.tmp
+.html java -classpath %%~/tex4ht/bin/tex4ht.jar xtpipes -i %%~/tex4ht/xtpipes/ -s xhtml.4xt -o %%1.html %%1.tmp
+.html xmllint --noout %%1.html
 .xht mv %%1.xht %%1.tmp
-.xht java -classpath  %%~/tex4ht/bin/tex4ht.jar xtpipes -i %%~/tex4ht/xtpipes/ -s xhtml.4xt -o %%1.xht %%1.tmp
+.xht java -classpath %%~/tex4ht/bin/tex4ht.jar xtpipes -i %%~/tex4ht/xtpipes/ -s xhtml.4xt -o %%1.xht %%1.tmp
+.xht xmllint --noout %%1.xht
 .xml mv %%1.xml %%1.tmp
-.xml java -classpath  %%~/tex4ht/bin/tex4ht.jar xtpipes -i %%~/tex4ht/xtpipes/ -s xhtml.4xt -o %%1.xml %%1.tmp
+.xml java -classpath %%~/tex4ht/bin/tex4ht.jar xtpipes -i %%~/tex4ht/xtpipes/ -s xhtml.4xt -o %%1.xml %%1.tmp
+.xml xmllint --noout %%1.xml
 </xhtml>
 
 <xhtmml>
 .html mv %%1.html %%1.tmp
-.html java -classpath  %%~/tex4ht/bin/tex4ht.jar xtpipes -i %%~/tex4ht/xtpipes/ -s xhtmml.4xt -o %%1.html %%1.tmp
+.html java -classpath %%~/tex4ht/bin/tex4ht.jar xtpipes -i %%~/tex4ht/xtpipes/ -s xhtmml.4xt -o %%1.html %%1.tmp
+.html xmllint --noout %%1.html
 .xht mv %%1.xht %%1.tmp
-.xht java -classpath  %%~/tex4ht/bin/tex4ht.jar xtpipes -i %%~/tex4ht/xtpipes/ -s xhtmml.4xt -o %%1.xht %%1.tmp
+.xht java -classpath %%~/tex4ht/bin/tex4ht.jar xtpipes -i %%~/tex4ht/xtpipes/ -s xhtmml.4xt -o %%1.xht %%1.tmp
+.xht xmllint --noout %%1.xht
 .xml mv %%1.xml %%1.tmp
-.xml java -classpath  %%~/tex4ht/bin/tex4ht.jar xtpipes -i %%~/tex4ht/xtpipes/ -s xhtmml.4xt -o %%1.xml %%1.tmp
+.xml java -classpath %%~/tex4ht/bin/tex4ht.jar xtpipes -i %%~/tex4ht/xtpipes/ -s xhtmml.4xt -o %%1.xml %%1.tmp
+.xml xmllint --noout %%1.xml
 </xhtmml>
- 
+  
 <ooxtpipes>
 .4oo mv %%0.4oo %%0.tmp
 .4oo java -classpath %%~/tex4ht/bin/tex4ht.jar xtpipes -i %%~/tex4ht/xtpipes/ -o %%0.4oo %%0.tmp
 .4om mv %%1.4om %%1.tmp
 .4om java -classpath %%~/tex4ht/bin/tex4ht.jar xtpipes -i %%~/tex4ht/xtpipes/ -o %%1.4om %%1.tmp
 </ooxtpipes>
-%
+
 <validatehtml>
- .html xmllint --noout --valid --html %%1.html
+.html xmllint --noout --valid --html %%1.html
+.xml xmllint --noout --valid %%1.xml
+ .hs java -cp ./tex4ht.dir/texmf/tex4ht/bin/xv4ht.jar xv4ht %%1.hs ./tex4ht.dir/texmf/tex4ht/base/solaris/xv4ht.cat
+ .jhm java -cp ./tex4ht.dir/texmf/tex4ht/bin/xv4ht.jar xv4ht %%1.jhm ./tex4ht.dir/texmf/tex4ht/base/solaris/xv4ht.cat
+.css vcss %%1.css
 </validatehtml>
 <validate>
- .xml xmllint --noout --valid %%1.xml
- .html xmllint --noout --valid %%1.html
- .css mycssparser %%1.css
+.xml xmllint --noout --valid %%1.xml
+.html xmllint --noout --valid %%1.html
+.css vcss %%1.css
+ .4om echo "rxp -V -s -e %%1.4om"
+ .4om rxp -V -s -e %%1.4om
+ .4oo xmllint --relaxng ~/dtd.dir/openoffice/relaxng.dir/OpenDocument-schema-v1.0-os.rng -noout %%0.4oo
+.4oo xmllint --relaxng  ~/dtd.dir/openoffice/relaxng.dir/OpenDocument-schema-v1.1.rng -noout %%0.4oo
+ .4oy xmllint --relaxng ~/dtd.dir/openoffice/relaxng.dir/OpenDocument-schema-v1.0-os.rng -noout %%0-styles.4oy
+.4oy xmllint --relaxng  ~/dtd.dir/openoffice/relaxng.dir/OpenDocument-schema-v1.1.rng -noout %%0-styles.4oy
+.4om perl -pe 's/math://g' %%1.4om | perl -pe 's/xmlns:[^=]*="[^"]*"//g' | perl -pe 's/xlink:[^=]*="[^"]*"//g' > tmp.tmp ; xmllint --valid --noout --catalogs tmp.tmp
 </validate>
+ Xmake -f \HOME texmf/base/NSGMLS name=%%1  ext=%%2 %%3
  %
 <oo>
 %%% openoffice                                                      %
diff --git a/Master/texmf-dist/tex4ht/base/win32/tex4ht.env b/Master/texmf-dist/tex4ht/base/win32/tex4ht.env
index 53358dd2cec..2d3f42c3245 100644
--- a/Master/texmf-dist/tex4ht/base/win32/tex4ht.env
+++ b/Master/texmf-dist/tex4ht/base/win32/tex4ht.env
@@ -1,4 +1,4 @@
-% tex4ht.env-win32 (2023-12-11-15:24), generated from tex4ht-env.tex
+% tex4ht.env-win32 (2024-06-23-13:56), generated from tex4ht-env.tex
 % Copyright 2009-2023 TeX Users Group
 % Copyright 1997-2009 Eitan M. Gurari
 %
@@ -6,14 +6,14 @@
 % conditions of the LaTeX Project Public License, either
 % version 1.3c of this license or (at your option) any
 % later version. The latest version of this license is in
-%   http://www.latex-project.org/lppl.txt
+%   https://www.latex-project.org/lppl.txt
 % and version 1.3c or later is part of all distributions
 % of LaTeX version 2005/12/01 or later.
 %
 % This work has the LPPL maintenance status "maintained".
 %
 % The Current Maintainer of this work
-% is the TeX4ht Project <http://tug.org/tex4ht>.
+% is the TeX4ht Project <https://tug.org/tex4ht>.
 %
 % If you modify this program, changing the
 % version identification would be appreciated.%