3 files changed, 48 insertions, 21 deletions

diff --git a/macros/latex/contrib/eolang/DEPENDS.txt b/macros/latex/contrib/eolang/DEPENDS.txt
index faa8e162c3..ea34111dee 100644
--- a/macros/latex/contrib/eolang/DEPENDS.txt
+++ b/macros/latex/contrib/eolang/DEPENDS.txt
@@ -1,13 +1,35 @@
-hard stmaryrd
-hard amsmath
+hard adjustbox
 hard amsfonts
+hard amsmath
+hard fancyvrb
+hard hyperref
 hard iexec
+hard pdftexcmds
 hard pgf
-hard fancyvrb
 hard pgfopts
-hard pdftexcmds
-hard ifluatex
-hard ifxetex
-hard adjustbox
-hard hyperref
-hard xstring
\ No newline at end of file
+hard stmaryrd
+hard xstring
+soft acmart
+soft biber
+soft biblatex
+soft booktabs
+soft caption
+soft cmap
+soft comment
+soft docshots
+soft environ
+soft href-ul
+soft hypdoc
+soft hyperxmp
+soft iexec
+soft ifmtarg
+soft l3build
+soft libertine
+soft ncctools
+soft scheme-basic
+soft setspace
+soft standalone
+soft textcase
+soft tools
+soft totpages
+soft xetex
\ No newline at end of file
diff --git a/macros/latex/contrib/eolang/eolang.dtx b/macros/latex/contrib/eolang/eolang.dtx
index 3260d2eacc..a2e4944689 100644
--- a/macros/latex/contrib/eolang/eolang.dtx
+++ b/macros/latex/contrib/eolang/eolang.dtx
@@ -50,7 +50,7 @@
 %<package>\NeedsTeXFormat{LaTeX2e}
 %<package>\ProvidesPackage{eolang}
 %<*package>
-[2023-07-01 0.13.0 Formulas and Graphs for EO Programming Language]
+[2023-08-02 0.14.0 Formulas and Graphs for EO Programming Language]
 %</package>
 %<*driver>
 \documentclass{ltxdoc}
@@ -219,15 +219,16 @@
 
 % The following markers are supported for a vertex:
 % \begin{itemize}\setlength\itemsep{0em}
-%   \item ``|tag:<math>|'' puts a custom label |<math>| into the circle,
+%   \item ``|tag:<math>|'' puts a custom label |<math>| into the circle;
 %   \item ``|data:[<box>]|'' makes it a data vertex with an optional attached ``|<box>|''
-%     (the content of the box may only be numeric data),
+%     (the content of the box may only be numeric data);
 %   \item ``|atom:[<box>]|'' makes it an atom with an optional attached ``|<box>|''
-%     (the content of the box is a math formula),
-%   \item ``|box:<txt>|'' attaches a ``|<box>|'' to it,
+%     (the content of the box is a math formula);
+%   \item ``|box:<txt>|'' attaches a ``|<box>|'' to it;
 %   \item ``|xy:<v>,<r>,<d>|'' places this vertex in a position relative to the vertex ``|<v>|,''
-%     shifting it right by ``|<r>|'' and down by ``|<d>|'' centimetres.
-%   \item ``|+:<v>|'' makes a copy of an existing vertex and all its kids.
+%     shifting it right by ``|<r>|'' and down by ``|<d>|'' centimetres;
+%   \item ``|+:<v>|'' makes a copy of an existing vertex and all its kids;
+%   \item ``|edgeless|'' removes the border from the vertex.
 % \end{itemize}
 
 % The following markers are supported for an edge:
@@ -691,7 +692,7 @@
 % \usetikzlibrary{fit}
 % \begin{document}
 % \begin{sodg}
-% v0
+% v0 edgeless
 % v11 xy:v0,-1,1 \\ v0->v11
 % v12 xy:v0,0,1 \\ v0->v12
 % v13 xy:v0,1,1 \\ v0->v13
@@ -799,7 +800,7 @@
 $macro = $ARGV[0];
 open(my $fh, '<', $ARGV[1]);
 my $tex; { local $/; $tex = <$fh>; }
-print "% This file is auto-generated by 0.13.0\n";
+print "% This file is auto-generated by 0.14.0\n";
 print '% There are ', length($tex),
   ' chars in the input: ', $ARGV[1], "\n";
 print '% ---', "\n";
@@ -1069,6 +1070,7 @@ print '\endinput';
 % \changes{0.6.0}{2022/11/13}{The \texttt{rrho} attribute is retired, now \texttt{rho} works just fine in all situations.}
 % \changes{0.8.0}{2022/11/20}{The \texttt{tag} attribute is introduced for changing labels inside a vertex circle.}
 % \changes{0.12.1}{2023/03/01}{The bug is fixed related to the formatting of indexes of vertices.}
+% \changes{0.14.0}{2023/07/26}{The \texttt{edgeless} tag of a vertex removes the border of it.}
 % Then, we create a Perl script for |sodg| graphs processing using |VerbatimOut| from
 % \href{https://ctan.org/pkg/fancyvrb}{fancyvrb}:
 %    \begin{macrocode}
@@ -1135,7 +1137,9 @@ for (my $c = 0; $c < 0+@cmds; $c++) {
     my ($q, $t) = split(/:/, $p);
     $opts{$q} = $t;
   }
-  if (index($head, '->') >= 0) {
+  if (index($head, '\\') == 0) {
+    print $cmd;
+  } elsif (index($head, '->') >= 0) {
     my $draw = '\draw[';
     if (exists $opts{'pi'}) {
       $draw = $draw . '<MB:phi-pi><F:draw=none>';
@@ -1306,6 +1310,9 @@ for (my $c = 0; $c < 0+@cmds; $c++) {
     } else {
       print ',phi-object';
     }
+    if (exists $opts{'edgeless'}) {
+      print ',draw=none';
+    }
     print ']';
     print ' (' . $head . ')';
     print ' {';
@@ -1326,8 +1333,6 @@ for (my $c = 0; $c < 0+@cmds; $c++) {
       print $head, '.south east) {';
       print $opts{'box'}, '}';
     }
-  } else {
-    print $cmd;
   }
   print ";\n";
 }
diff --git a/macros/latex/contrib/eolang/eolang.pdf b/macros/latex/contrib/eolang/eolang.pdf
index 1340ebad23..34a9d5bea0 100644
--- a/macros/latex/contrib/eolang/eolang.pdf
+++ b/macros/latex/contrib/eolang/eolang.pdf