latex-dev (13sep23)

git-svn-id: svn://tug.org/texlive/trunk@68270 c570f23f-e606-0410-a88d-b1316a301751

9 files changed, 1115 insertions, 285 deletions

diff --git a/Master/texmf-dist/tex/latex-dev/base/atveryend-ltx.sty b/Master/texmf-dist/tex/latex-dev/base/atveryend-ltx.sty
index 2f63091fb5d..35b348e5456 100644
--- a/Master/texmf-dist/tex/latex-dev/base/atveryend-ltx.sty
+++ b/Master/texmf-dist/tex/latex-dev/base/atveryend-ltx.sty
@@ -43,7 +43,7 @@
 %% extension .ins) which are part of the distribution.
 %%% From File: ltfilehook.dtx
 \providecommand\ltfilehookversion{v1.0o}
-\providecommand\ltfilehookdate{2023/04/02}
+\providecommand\ltfilehookdate{2023/07/10}
 \ProvidesPackage{atveryend-ltx}
    [2020/08/19 v1.0a
      Emulation of the original atveryend package^^Jwith kernel methods]
diff --git a/Master/texmf-dist/tex/latex-dev/base/latex.ltx b/Master/texmf-dist/tex/latex-dev/base/latex.ltx
index f976b8d04f1..54b3e969575 100644
--- a/Master/texmf-dist/tex/latex-dev/base/latex.ltx
+++ b/Master/texmf-dist/tex/latex-dev/base/latex.ltx
@@ -13,6 +13,7 @@
 %% ltcmd.dtx  (with options: `2ekernel')
 %% lthooks.dtx  (with options: `2ekernel')
 %% ltcmdhooks.dtx  (with options: `2ekernel')
+%% ltsockets.dtx  (with options: `2ekernel')
 %% ltalloc.dtx  (with options: `2ekernel')
 %% ltcntrl.dtx  (with options: `2ekernel')
 %% lterror.dtx  (with options: `2ekernel')
@@ -34,6 +35,7 @@
 %% lttextcomp.dtx  (with options: `2ekernel')
 %% ltpageno.dtx  (with options: `2ekernel')
 %% ltxref.dtx  (with options: `2ekernel')
+%% ltproperties.dtx  (with options: `2ekernel')
 %% ltmiscen.dtx  (with options: `2ekernel')
 %% ltmath.dtx  (with options: `2ekernel')
 %% ltlists.dtx  (with options: `2ekernel')
@@ -706,7 +708,7 @@
 \def\fmtname{LaTeX2e}
 \edef\fmtversion
    {2023-11-01}
-\def\patch@level{-0}
+\def\patch@level{-1}
 \edef\development@branch@name{develop \the\year-\the\month-\the\day}
 \iffalse
 \def\reserved@a#1/#2/#3\@nil{%
@@ -1803,8 +1805,8 @@
     \xdef#1{\the\toks@}%
   \endgroup}
 %%% From File: ltcmd.dtx
-\def\ltcmdversion{v1.1e}
-\def\ltcmddate{2023-05-26}
+\def\ltcmdversion{v1.2a}
+\def\ltcmddate{2023-08-19}
 \message{document commands,}
 \ExplSyntaxOn
 \tl_new:N \l__cmd_arg_spec_tl
@@ -4005,66 +4007,6 @@
     \exp_after:wN #1 \exp_after:wN #2 \exp_after:wN { \if_false: } \fi:
   }
 
-\cs_new_protected:Npn \__cmd_get_arg_spec_error:N #1
-  {
-    \bool_set_false:N \l__cmd_environment_bool
-    \tl_set:Nn \l__cmd_fn_tl {#1}
-    \__cmd_get_arg_spec_error_aux:n { \cs_if_exist:NTF #1 }
-  }
-\cs_new_protected:Npn \__cmd_get_arg_spec_error:n #1
-  {
-    \bool_set_true:N \l__cmd_environment_bool
-    \str_set:Nx \l__cmd_environment_str {#1}
-    \__cmd_get_arg_spec_error_aux:n
-      { \cs_if_exist:cTF { \l__cmd_environment_str } }
-  }
-\cs_new_protected:Npn \__cmd_get_arg_spec_error_aux:n #1
-  {
-    #1
-      {
-        \msg_error:nnx { cmd } { non-xparse }
-          { \__cmd_environment_or_command: }
-      }
-      {
-        \msg_error:nnx { cmd } { unknown }
-          { \__cmd_environment_or_command: }
-      }
-  }
-\cs_new_protected:Npn \__cmd_get_arg_spec:NTF #1#2#3
-  {
-    \__kernel_cmd_if_xparse:NTF #1
-      {
-        \tl_set:Nx \ArgumentSpecification { \tl_item:Nn #1 { 2 } }
-        #2
-      }
-      {#3}
-  }
-\tl_new:N \ArgumentSpecification
-\cs_new_protected:Npn \__cmd_get_arg_spec:N #1
-  {
-    \__cmd_get_arg_spec:NTF #1 { }
-      { \__cmd_get_arg_spec_error:N #1 }
-  }
-\cs_new_protected:Npn \__cmd_get_arg_spec:n #1
-  {
-    \exp_args:Nc \__cmd_get_arg_spec:NTF
-      { environment~ \tl_to_str:n {#1} }
-      { }
-      { \__cmd_get_arg_spec_error:n {#1} }
-  }
-\cs_new_protected:Npn \__cmd_show_arg_spec:N #1
-  {
-    \__cmd_get_arg_spec:NTF #1
-      { \tl_show:N \ArgumentSpecification }
-      { \__cmd_get_arg_spec_error:N #1 }
-  }
-\cs_new_protected:Npn \__cmd_show_arg_spec:n #1
-  {
-    \exp_args:Nc \__cmd_get_arg_spec:NTF
-      { environment~ \tl_to_str:n {#1} }
-      { \tl_show:N \ArgumentSpecification }
-      { \__cmd_get_arg_spec_error:n {#1} }
-  }
 \cs_new_protected:Npn \__cmd_check_definable:nNT #1
   { \tl_trim_spaces_apply:nN {#1} \__cmd_check_definable_aux:nN }
 \group_begin:
@@ -4396,12 +4338,6 @@
     LaTeX~did~not~find~this~argument~and~will~insert~a~default~value~
     for~further~processing.
   }
-\msg_new:nnnn { cmd } { non-xparse }
-  { \str_uppercase:n #1~not~defined~using~xparse. }
-  {
-    You~have~asked~for~the~argument~specification~for~the~#1,~
-    but~this~was~not~defined~using~xparse.
-  }
 \msg_new:nnnn { cmd } { arg-split }
   { Too~many~'#1'~separators~in~argument. }
   {
@@ -4409,12 +4345,6 @@
     at~each~occurrence~of~the~separator~'#1'~into~#2~parts.~
     Too~many~separators~were~found.
   }
-\msg_new:nnnn { cmd } { unknown }
-  { Unknown~document~#1. }
-  {
-    You~have~asked~for~the~argument~specification~for~the~#1,~
-    but~it~is~not~defined.
-  }
 \msg_new:nnnn { cmd } { verbatim-nl }
   { Verbatim-like~#1~ended~by~end~of~line. }
   {
@@ -4605,23 +4535,11 @@
 \cs_new_eq:NN \SplitList      \__cmd_split_list:nn
 \cs_new_eq:NN \TrimSpaces     \__cmd_trim_spaces:n
 \cs_new_eq:NN \ProcessList \tl_map_function:nN
-\cs_new_protected:Npn \GetDocumentCommandArgSpec #1
-  {
-    \__cmd_check_definable:nNT {#1} \GetDocumentCommandArgSpec
-      { \__cmd_get_arg_spec:N #1 }
-  }
-\cs_new_eq:NN \GetDocumentEnvironmentArgSpec \__cmd_get_arg_spec:n
-\cs_new_protected:Npn \ShowDocumentCommandArgSpec #1
-  {
-    \__cmd_check_definable:nNT {#1} \ShowDocumentCommandArgSpec
-      { \__cmd_show_arg_spec:N #1 }
-  }
-\cs_new_eq:NN \ShowDocumentEnvironmentArgSpec \__cmd_show_arg_spec:n
 \ExplSyntaxOff
 
 %%% From File: lthooks.dtx
-\def\lthooksversion{v1.1e}
-\def\lthooksdate{2023/06/06}
+\def\lthooksversion{v1.1f}
+\def\lthooksdate{2023/08/11}
 \ExplSyntaxOn
 \bool_new:N \g__hook_debug_bool
 \cs_new_eq:NN \__hook_debug:n \use_none:n
@@ -6391,8 +6309,8 @@
 %% Copyright (C) 2020-2023
 %% Frank Mittelbach, Phelype Oleinik, The LaTeX Project
 %%% From File: ltcmdhooks.dtx
-\def\ltcmdhooksversion{v1.0h}
-\def\ltcmdhooksdate{2023/05/21}
+\def\ltcmdhooksversion{v1.0i}
+\def\ltcmdhooksdate{2023/06/16}
 \ExplSyntaxOn
 \tl_new:N \g_hook_patch_action_list_tl
 \int_new:N \l__hook_patch_num_args_int
@@ -6832,6 +6750,181 @@
   }
 \ExplSyntaxOff
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%% From File: ltsockets.dtx
+\def\ltsocketsversion{0.9a}
+\def\ltsocketsdate{2023-08-21}
+\ExplSyntaxOn
+\bool_new:N \g__socket_debug_bool
+\cs_new_eq:NN \__socket_debug:n \use_none:n
+\cs_new_eq:NN \__socket_debug_term:n \use_none:n
+\cs_new_protected:Npn \socket_debug_on:
+  {
+    \bool_gset_true:N \g__socket_debug_bool
+    \__socket_debug_gset:
+  }
+\cs_new_protected:Npn \socket_debug_off:
+  {
+    \bool_gset_false:N \g__socket_debug_bool
+    \__socket_debug_gset:
+  }
+\cs_new_protected:Npn \__socket_debug_gset:
+  {
+    \cs_gset_protected:Npx \__socket_debug:n ##1
+      { \bool_if:NT \g__socket_debug_bool {##1} }
+    \cs_gset_protected:Npx \__socket_debug_term:n ##1
+      { \bool_if:NT \g__socket_debug_bool
+        { \iow_term:x { ^^J [Sockets]~ ==>~ ##1} } }
+  }
+\cs_new_protected:Npn \socket_new:nn #1 #2 {
+  \str_if_exist:cTF { l__socket_#1_plug_str }
+      {
+        \msg_error:nnn { socket } { already-declared } {#1}
+      }
+      {
+        \int_if_zero:nTF \tex_currentgrouplevel:D
+          {
+            \str_new:c { l__socket_#1_plug_str }
+            \seq_new:c { l__socket_#1_plugs_seq }
+            \int_const:cn { c__socket_#1_args_int } {#2}
+            \socket_new_plug:nnn {#1} { noop } {}
+            \int_compare:nNnTF {#2} = 1
+              {
+                \socket_new_plug:nnn {#1} { identity } {##1}
+                \socket_assign_plug:nn {#1} { identity }
+              }
+              { \socket_assign_plug:nn {#1} { noop } }
+            \__socket_debug_term:n
+              { Socket~ '#1'~ declared~ with~ #2~ input(s) }
+          }
+          {
+            \msg_error:nn { socket } { not-top-level }
+          }
+      }
+}
+\cs_new_protected:Npn \socket_log:n #1 {
+  \typeout{ Socket~ #1:}
+  \str_if_exist:cTF { l__socket_#1_plug_str }
+      {
+        \typeout{ \@spaces number~ of~ inputs~ =~
+                  \int_use:c { c__socket_#1_args_int } }
+        \typeout{ \@spaces available~plugs~ =~
+                  \seq_use:cnnn { l__socket_#1_plugs_seq }{,~}{,~}{,~} }
+        \typeout{ \@spaces current~ plug~ =~
+                  \str_use:c { l__socket_#1_plug_str } }
+        \typeout{ \@spaces definition~ =~
+                  \cs_meaning:c
+                    { __socket_#1_plug_ \str_use:c { l__socket_#1_plug_str } :w } }
+        \typeout{}
+      }
+      {
+        \typeout { Socket~ is~ not~ declared! }
+      }
+}
+\cs_new_protected:Npn \socket_show:n #1 {\socket_log:n {#1} \errmessage{}}
+\cs_new_protected:Npn \socket_new_plug:nnn #1#2#3 {
+  \str_if_exist:cTF { l__socket_#1_plug_str }
+      {
+        \cs_if_exist:cTF { __socket_#1_plug_#2:w }
+          {
+            \msg_error:nnnn { socket } { plug-already-declared } {#1} {#2}
+          }
+          {
+            \cs_generate_from_arg_count:cNnn
+              { __socket_#1_plug_#2:w }
+              \cs_new_protected:Npn
+              { \int_use:c { c__socket_#1_args_int } }
+              {#3}
+            \seq_put_right:cn { l__socket_#1_plugs_seq } {#2}
+            \__socket_debug_term:n
+              { Plug~ '#2'~ for~ socket~ '#1'~ declared. }
+          }
+      }
+      {
+        \msg_error:nnn { socket } { undeclared } {#1}
+      }
+}
+\cs_new_protected:Npn \socket_set_plug:nnn #1#2#3 {
+  \str_if_exist:cTF { l__socket_#1_plug_str }
+      {
+        \cs_if_exist:cTF { __socket_#1_plug_#2:w }
+          {
+            \cs_generate_from_arg_count:cNnn
+              { __socket_#1_plug_#2:w }
+              \cs_set_protected:Npn
+              { \int_use:c { c__socket_#1_args_int } }
+              {#3}
+            \__socket_debug_term:n
+              {  Plug~ '#2'~ for~ socket~ '#1'~ changed. }
+          }
+          {
+            \msg_error:nnnn { socket } { plug-undeclared } {#1} {#2}
+          }
+      }
+      {
+        \msg_error:nnn { socket } { undeclared } {#1}
+      }
+}
+\cs_new_protected:Npn \socket_assign_plug:nn #1 #2 {
+  \str_if_exist:cTF { l__socket_#1_plug_str }
+      {
+        \cs_if_exist:cTF { __socket_#1_plug_#2:w }
+          {
+            \__socket_debug_term:n
+              { Replacing~ plug~ '\str_use:c { l__socket_#1_plug_str }'~
+                with~ '#2'~ in~ socket~ '#1'. }
+            \str_set:cn { l__socket_#1_plug_str } {#2}
+          }
+          {
+            \msg_error:nnnn { socket } { plug-undeclared } {#1} {#2}
+          }
+      }
+      { \msg_error:nnn { socket } { undeclared } {#1} }
+}
+\cs_new_protected:Npn \socket_use:nw #1 {
+  \__socket_debug_term:n
+    { Socket~ '#1'~ containing~ plug~
+      '\str_use:c { l__socket_#1_plug_str }'~ used. }
+  \use:c { __socket_#1_plug_ \str_use:c { l__socket_#1_plug_str } :w }
+}
+\cs_new_eq:NN  \socket_use:n \socket_use:nw     % socket with no inputs
+\cs_new_eq:NN  \socket_use:nn \socket_use:nw    % socket with one input
+\cs_new_eq:NN  \socket_use:nnn \socket_use:nw   % socket with two inputs
+\cs_new_eq:NN  \socket_use:nnnn \socket_use:nw  % socket with three inputs
+
+\msg_new:nnnn { socket } { already-declared }
+    { Socket~ '#1'~ already~ declared! }
+    { A~ socket~ can~ only~ be~ declared~ once.~ The~ name~ '#1'~ is~
+      already~ taken.~ Use~ \ShowSocket{#1}~ to~ see~ its~ definition. }
+
+\msg_new:nnnn { socket } { undeclared }
+    { Socket~ '#1'~ undeclared! }
+    { You~ tried~ to~ use~ a~ socket~ that~ was~ not~ declared~ before. }
+
+\msg_new:nnnn { socket } { not-top-level }
+    { Sockets~ can~ only~ be~ declared~ at~ top-level! }
+    { It~ is~ not~ allowed~ to~ declare~ sockets~ inside~ a~
+      group.~ Move~ the~ declaration~ to~ the~ top-level. }
+\msg_new:nnnn { socket } { plug-already-declared }
+    { Plug~ '#2'~ for~ socket~ '#1'~ already~ declared! }
+    { You~ can't~ change~ an~ existing~ plug~ with~ \NewSocketPlug~ and~ it~
+      is~ normally~ not~ sensible~ to~ do~ so.~ Use~ the~ L3~ programming~
+      layer~ function~ \socket_set_plug:nnn~ if~ you~ really~ have~ to. }
+
+\msg_new:nnnn { socket } { plug-undeclared }
+    { Plug~ '#2'~ for~ socket~ '#1'~ undeclared! }
+    { The~ plug~ name~ is~ unknown.~ Is~ the~ name~ misspelled~ or~ did~ you~
+      intend~ to~ assign~ it~ to~ a~ different~ socket? }
+\prop_gput:Nnn \g_msg_module_type_prop { socket } { LaTeX }
+\cs_new_eq:NN \NewSocket         \socket_new:nn
+\cs_new_eq:NN \ShowSocket        \socket_show:n
+\cs_new_eq:NN \LogSocket         \socket_log:n
+\cs_new_eq:NN \NewSocketPlug     \socket_new_plug:nnn
+\cs_new_eq:NN \AssignSocketPlug  \socket_assign_plug:nn
+\cs_new_eq:NN \UseSocket         \socket_use:nw
+\cs_new_eq:NN \DebugSocketsOn    \socket_debug_on:
+\cs_new_eq:NN \DebugSocketsOff   \socket_debug_off:
+\ExplSyntaxOff
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%% From File: ltalloc.dtx
 \chardef\@xxxii=32
 \mathchardef\@Mi=10001
@@ -7520,6 +7613,7 @@ Type  H <return>  for immediate help.}%
 \catcode `\~=13
 \def~{\nobreakspace{}}
 \expandafter\let\expandafter\@xobeysp\csname nobreakspace \endcsname
+\let\@xobeytab\@xobeysp
 \def\@{\spacefactor\@m{}}%
 \DeclareRobustCommand\hspace{\@ifstar\@hspacer\@hspace}
 \newskip\sp@ce@skip
@@ -7786,7 +7880,16 @@ Type  H <return>  for immediate help.}%
     \expandafter{\reserved@a{#2}{#3}}%
 \reserved@a}
 \ExplSyntaxOn
-\cs_new_eq:NN \IfFileExists@@ \file_full_name:n
+\cs_new:Npn \IfFileExists@@ #1
+  {
+    \tl_if_blank:nF {#1}
+      {
+        \tl_if_head_eq_charcode:oNTF { \use:n #1 } |
+          {#1}
+          { \file_full_name:n {#1} }
+      }
+  }
+\cs_generate_variant:Nn \tl_if_head_eq_charcode:nNTF { o }
 \ExplSyntaxOff
 \long\def\@iffileonpath#1{%
   \let\reserved@a\@secondoftwo
@@ -11840,6 +11943,262 @@ Type  H <return>  for immediate help.}%
 \NewDocumentCommand\Ref{s}
    {\IfBooleanTF{#1}{\@kernel@sRef}{\@kernel@Ref}}
 \def\@currentlabel{}
+%% File: ltproperties.dtx
+\def\ltpropertiesversion{1.0b}
+\def\ltpropertiesdate{2023-09-13}
+
+
+
+\ExplSyntaxOn
+\cs_new_protected:Npn \property_new:nnnn #1#2#3#4
+  {
+    \cs_if_free:cTF { __property_code_ #1 : }
+      {
+        \exp_args:Nx \__property_gset:nnnn { \tl_to_str:n {#1} }
+         {#2} {#3} {#4}
+      }
+      {
+        \msg_error:nn { property }{ exists }{#1}
+      }
+  }
+\cs_new_protected:Npn \property_gset:nnnn #1#2#3#4
+  {
+    \__property_gset:xnnn { \tl_to_str:n {#1} }
+      {#2} {#3} {#4}
+  }
+\cs_new_protected:Npn \__property_gset:nnnn #1#2#3#4
+  {
+    \cs_gset:cpn { __property_code_ #1 : } {#4}
+    \tl_gclear_new:c { g__property_default_ #1 _tl }
+    \tl_gset:cn { g__property_default_ #1 _tl } {#3}
+    \bool_if_exist:cF { g__property_shipout_ #1 _tl }
+      { \bool_new:c { g__property_shipout_ #1 _tl } }
+    \str_case:nnF {#2}
+      {
+        { now } { { \bool_gset_false:c { g__property_shipout_ #1 _tl } } }
+        { shipout }
+          { \bool_gset_true:c { g__property_shipout_ #1 _tl } }
+      }
+      { \msg_error:nnnn { property } { unknown-setpoint } {#1} {#2} }
+  }
+\cs_generate_variant:Nn \__property_gset:nnnn {xnnn}
+\cs_new_protected:Npn \NewProperty #1#2#3#4
+  {
+    \exp_args:Nx \property_new:nnnn {#1}{#2}{#3}{#4}
+  }
+\cs_new_protected:Npn \SetProperty #1#2#3#4
+  {
+    \exp_args:Nx \property_gset:nnnn {#1}{#2}{#3}{#4}
+  }
+\cs_new_protected:Npn \property_record:nN #1#2
+  { \property_record:nV {#1} #2 }
+\cs_new_protected:Npn \property_record:nn #1#2
+  { \__property_record:xn { \tl_to_str:n {#1} } {#2} }
+\cs_generate_variant:Nn \property_record:nn { nV , xx }
+\cs_new_protected:Npn \__property_record:nn #1#2
+  {
+    \legacy_if:nT { @filesw }
+      {
+        \iow_shipout_x:Nx \@auxout
+          {
+            \token_to_str:N \new@label@record
+              {#1}
+              { \clist_map_function:nN {#2} \__property_record_value:n }
+          }
+      }
+  }
+\cs_generate_variant:Nn \__property_record:nn { x }
+\cs_new:Npn \__property_record_value:n #1
+  { \__property_record_value_aux:e { \tl_to_str:n {#1} } }
+\cs_new:Npn \__property_record_value_aux:n #1
+  {
+    \cs_if_exist:cTF { __property_code_ #1 : }
+      {
+        {#1}
+        {
+          \bool_if:cTF { g__property_shipout_ #1 _tl }
+            { \exp_not:c }
+            { \use:c }
+              { __property_code_ #1 : }
+        }
+      }
+      { \msg_expandable_error:nnn { property } { not-declared } {#1} }
+  }
+\cs_generate_variant:Nn \__property_record_value_aux:n { e }
+\NewDocumentCommand\RecordProperties { m m }
+  {
+    \@bsphack
+    \property_record:xx {#1}{#2}
+    \@esphack
+  }
+\flag_new:n { l__property_ref_flag }
+\cs_new:Npn \property_ref:nn #1#2
+  {
+    \__property_ref:een
+      { \tl_to_str:n {#1} }
+      { \tl_to_str:n {#2} }
+      { \tl_use:c { g__property_default_ #2 _tl } }
+  }
+\cs_generate_variant:Nn \property_ref:nn {ee}
+\cs_new:Npn \property_ref:nnn #1#2#3
+  {
+    \__property_ref:een
+      { \tl_to_str:n {#1} }
+      { \tl_to_str:n {#2} }
+      {#3}
+  }
+\cs_new:Npn \__property_ref:nnn #1#2#3
+  {
+    \tl_if_exist:cTF { g__property_label_ #1 _ #2 _tl }
+      { \tl_use:c { g__property_label_ #1 _ #2 _tl } }
+      {
+        \flag_if_raised:nF
+          { l__property_ref_flag } { \flag_raise:n { l__property_ref_flag } }
+        \tl_if_exist:cTF { g__property_default_ #2 _tl }
+          { #3 }
+          { \msg_expandable_error:nnn { property } { not-declared } {#2} }
+      }
+  }
+\cs_generate_variant:Nn \__property_ref:nnn { ee }
+\cs_generate_variant:Nn \property_ref:nnn {een}
+\NewExpandableDocumentCommand \RefProperty { o m m }
+  {
+    \IfNoValueTF {#1}
+      {
+        \property_ref:ee {#2}{#3}
+      }
+      {
+        \property_ref:een {#2}{#3}{#1}
+      }
+  }
+\cs_new_protected:Npn \new@label@record #1#2
+  {
+    \tl_if_exist:cTF { r@#1 }
+      {
+        \gdef \@multiplelabels
+          { \@latex@warning@no@line { There~were~multiply-defined~labels } }
+        \@latex@warning@no@line { Label~`#1'~multiply~defined }
+      }
+      {
+        \tl_new:c { r@#1 }
+        \tl_gset:cn { r@#1 }{#2}
+      }
+    \__property_data:nnn {#1} #2 { \q_recursion_tail } { ? } \q_recursion_stop
+  }
+\cs_new_protected:Npn \__property_data:nnn #1#2#3
+  {
+    \quark_if_recursion_tail_stop:n {#2}
+    \tl_gclear_new:c { g__property_label_ \tl_to_str:n {#1} _ \tl_to_str:n {#2} _tl }
+    \tl_gset:cn { g__property_label_ \tl_to_str:n {#1} _ \tl_to_str:n {#2} _tl } {#3}
+    \__property_data:nnn {#1}
+  }
+\cs_new_protected:Npn \@kernel@new@label@record@testdef #1 #2
+  {
+    \tl_if_eq:cnF { r@#1 } {#2}
+      { \@tempswatrue }
+  }
+\prg_new_conditional:Npnn \property_if_exist:n #1 { p , T , F,  TF }
+  % #1 property
+  {
+    \cs_if_exist:cTF { __property_code_ #1 : }
+      {
+        \prg_return_true:
+      }
+      {
+        \prg_return_false:
+      }
+  }
+\prg_generate_conditional_variant:Nnn \property_if_exist:n {e} {TF}
+\cs_new_eq:NN \IfPropertyExistTF \property_if_exist:eTF
+\prg_new_conditional:Npnn \property_if_recorded:n #1 { p , T , F,  TF }
+  % #1 label
+  {
+    \tl_if_exist:cTF { r@#1 }
+      {
+        \prg_return_true:
+      }
+      {
+        \prg_return_false:
+      }
+  }
+\prg_generate_conditional_variant:Nnn \property_if_recorded:n {e} {TF}
+\cs_new_eq:NN \IfLabelExistTF \property_if_recorded:eTF
+\prg_new_conditional:Npnn \property_if_recorded:nn #1#2 { p , T , F,  TF }
+  % #1 label #2 property
+  {
+    \tl_if_exist:cTF { g__property_label_ \tl_to_str:n {#1} _ \tl_to_str:n {#2} _tl }
+      {
+        \prg_return_true:
+      }
+      {
+        \prg_return_false:
+      }
+  }
+\prg_generate_conditional_variant:Nnn \property_if_recorded:nn {ee} {TF}
+\cs_new_eq:NN \IfPropertyRecordedTF \property_if_recorded:eeTF
+\cs_new_protected:Npn \property_ref_undefined_warn:
+ {
+   \flag_if_raised:nT { l__property_ref_flag }
+    {
+      \G@refundefinedtrue
+    }
+ }
+\cs_new_protected:Npn \property_ref_undefined_warn:n #1 %#1 label
+  {
+   \property_if_recorded:nF {#1}
+    {
+       \G@refundefinedtrue
+       \@latex@warning{Reference~`#1'~on~page~\thepage\space undefined}%
+    }
+  }
+\cs_new_protected:Npn \property_ref_undefined_warn:nn #1#2 %#1 label, #2 property
+ {
+   \property_if_recorded:nTF {#1}
+    {
+      \property_if_recorded:nnF {#1}{#2}
+        {
+          \G@refundefinedtrue
+          \@latex@warning
+           { Property~`#2'~undefined~for~reference~`#1'~on~page~\thepage }
+        }
+    }
+    {
+       \G@refundefinedtrue
+       \@latex@warning { Reference~`#1'~on~page~\thepage\space undefined }%
+    }
+ }
+\cs_generate_variant:Nn \property_ref_undefined_warn:nn {xx}
+\cs_set_eq:NN \RefUndefinedWarn \property_ref_undefined_warn:xx
+\property_new:nnnn { abspage } { shipout }
+  { 0 } { \int_use:N \g_shipout_readonly_int }
+\property_new:nnnn  { page } { shipout } { 0 } { \thepage }
+\property_new:nnnn  { pagenum } { shipout } { 0 } { \the \value { page } }
+\property_new:nnnn  { currentlabel } { now } { ?? } { \@currentlabel }
+\property_new:nnnn  { title } { now }
+  { \exp_not:n { \textbf { ?? } } } { \@currentlabelname }
+\property_new:nnnn  { target } { now } { } { \@currentHref }
+\property_new:nnnn  { counter } { now }  { } { \@currentcounter }
+\property_new:nnnn  { xpos } { shipout } { 0} { \int_use:N \tex_lastxpos:D }
+\property_new:nnnn  { ypos } { shipout } { 0} { \int_use:N \tex_lastypos:D }
+\msg_new:nnnn { property } { exists }
+    { Property~'#1'~ has~ already~ been~ declared. }
+    { There~ already~ exists~ a~ property~ declaration~ with~ this~
+      name.\\
+      Please~ use~ a~ different~ name~ for~ your~ property.}
+
+\msg_new:nnnn { property } { not-declared }
+  { Property~'#1'~not~declared. }
+  {
+    LaTeX~has~been~asked~to~use~property~'#1',~but~this~
+    name~has~not~been~declared.
+  }
+\msg_new:nnnn { property } { unknown-setpoint }
+  { Unknown~keyword~'#2'~for~setting~property~'#1'. }
+  {
+    LaTeX~has~been~asked~to~set~the~property~'#1',~but~the~keyword~
+    '#2'~is~not~one~of~the~two~known~values:~'now'~or~'shipout'.
+  }
+\ExplSyntaxOff
 %%% From File: ltmiscen.dtx
 \message{environments,}
 \def\@currenvir{document}
@@ -11860,6 +12219,7 @@ Type  H <return>  for immediate help.}%
        \immediate\closeout\@mainaux
        \let\@setckpt\@gobbletwo
        \let\@newl@bel\@testdef
+       \let\new@label@record\@kernel@new@label@record@testdef
        \@tempswafalse
        \makeatletter \@@input\jobname.aux
      \fi
@@ -11910,7 +12270,6 @@ Type  H <return>  for immediate help.}%
   \def\reserved@a{#3}\expandafter \ifx \csname #1@#2\endcsname
  \reserved@a  \else \@tempswatrue \fi}
 \protected\def\protected@file@percent{}
-
 \catcode`\^^A=9
 \long\gdef\add@percent@to@temptokena
     #1\protected@file@percent#2\add@percent@to@temptokena
@@ -12019,7 +12378,11 @@ Type  H <return>  for immediate help.}%
 \def\endflushright{\endtrivlist}
 \message{verbatim,}
 {\catcode`\ =\active%
-\gdef\@vobeyspaces{\catcode`\ \active\let \@xobeysp}}
+\gdef\@vobeyspaces{\catcode`\ \active\let \@xobeysp\@vobeytabs}}
+{\catcode`\^^I=\active
+\gdef\@vobeytabs{\catcode`\^^I\active\let^^I\@xobeytab}%
+\global\let^^I=\space
+}
 \begingroup \catcode `|=0 \catcode `[= 1
 \catcode`]=2 \catcode `\{=12 \catcode `\}=12
 \catcode`\\=12 |gdef|@xverbatim#1\end{verbatim}[#1|end[verbatim]]
@@ -12053,7 +12416,11 @@ Type  H <return>  for immediate help.}%
   \DeclareRobustCommand\verbvisiblespace
            {\leavevmode{\usefont{OT1}{cmtt}{m}{n}\asciispace}}    % xetex/luatex version
 \fi
-
+\newbox\@verbvisiblespacebox
+\@namedef{verbatim*}{\@verbatim
+  \@setupverbvisiblespace
+  \frenchspacing\@vobeyspaces\@sxverbatim}
+\expandafter\let\csname endverbatim*\endcsname =\endverbatim
 \def\@setupverbvisiblespace{%
   \ifx\verbvisiblespace\asciispace
     \let\@xobeysp\asciispace
@@ -12062,13 +12429,9 @@ Type  H <return>  for immediate help.}%
     \setbox\@verbvisiblespacebox\hbox to\wd\z@{\hss\verbvisiblespace\hss}%
     \def\@xobeysp{\leavevmode\copy\@verbvisiblespacebox}%
   \fi
+  \@setupverbvisibletab
 }
-
-\newbox\@verbvisiblespacebox
-\@namedef{verbatim*}{\@verbatim
-  \@setupverbvisiblespace
-  \frenchspacing\@vobeyspaces\@sxverbatim}
-\expandafter\let\csname endverbatim*\endcsname =\endverbatim
+\def\@setupverbvisibletab{\let\@xobeytab\@xobeysp}
 \def\@sverb#1{\if\noexpand#1 \expandafter\@sverb\else\@@sverb{#1}\fi}
 \def\@@sverb#1{%
   \catcode`#1\active
@@ -12077,7 +12440,10 @@ Type  H <return>  for immediate help.}%
      \@latex@error{\noexpand\verb illegal in argument}\@ehc}%
   \aftergroup\verb@balance@group
   \lowercase{\let~\verb@egroup}%
-  \ifnum\catcode`\ =\active
+  \ifnum0%
+    \ifnum\catcode`\ =\active\else 1\fi
+    \ifnum\catcode`\^^I=\active\else 1\fi
+    =0 %
   \else  \@setupverbvisiblespace \@vobeyspaces \fi
 }
 \def\@makeother#1{\catcode`#112\relax}
@@ -15864,7 +16230,7 @@ Type  H <return>  for immediate help.}%
 \ExplSyntaxOff
 %%% From File: ltfilehook.dtx
 \providecommand\ltfilehookversion{v1.0o}
-\providecommand\ltfilehookdate{2023/04/02}
+\providecommand\ltfilehookdate{2023/07/10}
 \ExplSyntaxOn
 \tl_new:N \CurrentFile
 \tl_new:N \CurrentFilePath
@@ -16002,7 +16368,6 @@ Type  H <return>  for immediate help.}%
 \cs_new_eq:NN \declare@file@substitution   \__filehook_subst_add:nn
 \cs_new_eq:NN \undeclare@file@substitution \__filehook_subst_remove:n
 \ExplSyntaxOff
-\ExplSyntaxOff
 \def\set@curr@file{%
   \begingroup
     \set@curr@file@aux}
diff --git a/Master/texmf-dist/tex/latex-dev/base/latexrelease.sty b/Master/texmf-dist/tex/latex-dev/base/latexrelease.sty
index 9ada4b71c40..c8776b66f93 100644
--- a/Master/texmf-dist/tex/latex-dev/base/latexrelease.sty
+++ b/Master/texmf-dist/tex/latex-dev/base/latexrelease.sty
@@ -15,6 +15,7 @@
 %% ltcmd.dtx  (with options: `latexrelease')
 %% lthooks.dtx  (with options: `latexrelease')
 %% ltcmdhooks.dtx  (with options: `latexrelease')
+%% ltsockets.dtx  (with options: `latexrelease')
 %% ltalloc.dtx  (with options: `latexrelease')
 %% ltcntrl.dtx  (with options: `latexrelease')
 %% lterror.dtx  (with options: `latexrelease')
@@ -37,6 +38,7 @@
 %% lttextcomp.dtx  (with options: `latexrelease')
 %% ltpageno.dtx  (with options: `latexrelease')
 %% ltxref.dtx  (with options: `latexrelease')
+%% ltproperties.dtx  (with options: `latexrelease')
 %% ltmiscen.dtx  (with options: `latexrelease')
 %% ltmath.dtx  (with options: `latexrelease')
 %% ltlists.dtx  (with options: `latexrelease')
@@ -1986,8 +1988,8 @@ of this package available from CTAN}
 
 \EndIncludeInRelease
 %%% From File: ltcmd.dtx
-\def\ltcmdversion{v1.1e}
-\def\ltcmddate{2023-05-26}
+\def\ltcmdversion{v1.2a}
+\def\ltcmddate{2023-08-19}
 \edef\@latexrelease@catcode@null{\the\catcode`\^^@ }
 \catcode`\^^@=12
 \ExplSyntaxOn
@@ -4248,68 +4250,6 @@ of this package available from CTAN}
     \exp_after:wN #1 \exp_after:wN #2 \exp_after:wN { \if_false: } \fi:
   }
 
-\cs_new_protected:Npn \__cmd_get_arg_spec_error:N #1
-  {
-    \bool_set_false:N \l__cmd_environment_bool
-    \tl_set:Nn \l__cmd_fn_tl {#1}
-    \__cmd_get_arg_spec_error_aux:n { \cs_if_exist:NTF #1 }
-  }
-\cs_new_protected:Npn \__cmd_get_arg_spec_error:n #1
-  {
-    \bool_set_true:N \l__cmd_environment_bool
-    \str_set:Nx \l__cmd_environment_str {#1}
-    \__cmd_get_arg_spec_error_aux:n
-      { \cs_if_exist:cTF { \l__cmd_environment_str } }
-  }
-\cs_new_protected:Npn \__cmd_get_arg_spec_error_aux:n #1
-  {
-    #1
-      {
-        \msg_error:nnx { cmd } { non-xparse }
-          { \__cmd_environment_or_command: }
-      }
-      {
-        \msg_error:nnx { cmd } { unknown }
-          { \__cmd_environment_or_command: }
-      }
-  }
-\cs_new_protected:Npn \__cmd_get_arg_spec:NTF #1#2#3
-  {
-    \__kernel_cmd_if_xparse:NTF #1
-      {
-        \tl_set:Nx \ArgumentSpecification { \tl_item:Nn #1 { 2 } }
-        #2
-      }
-      {#3}
-  }
-\cs_new_eq:NN \__cmd_chk_if_free_cs:N \__kernel_chk_if_free_cs:N
-\cs_gset_eq:NN \__kernel_chk_if_free_cs:N \use_none:n
-\tl_new:N \ArgumentSpecification
-\cs_new_protected:Npn \__cmd_get_arg_spec:N #1
-  {
-    \__cmd_get_arg_spec:NTF #1 { }
-      { \__cmd_get_arg_spec_error:N #1 }
-  }
-\cs_new_protected:Npn \__cmd_get_arg_spec:n #1
-  {
-    \exp_args:Nc \__cmd_get_arg_spec:NTF
-      { environment~ \tl_to_str:n {#1} }
-      { }
-      { \__cmd_get_arg_spec_error:n {#1} }
-  }
-\cs_new_protected:Npn \__cmd_show_arg_spec:N #1
-  {
-    \__cmd_get_arg_spec:NTF #1
-      { \tl_show:N \ArgumentSpecification }
-      { \__cmd_get_arg_spec_error:N #1 }
-  }
-\cs_new_protected:Npn \__cmd_show_arg_spec:n #1
-  {
-    \exp_args:Nc \__cmd_get_arg_spec:NTF
-      { environment~ \tl_to_str:n {#1} }
-      { \tl_show:N \ArgumentSpecification }
-      { \__cmd_get_arg_spec_error:n {#1} }
-  }
 \cs_new_protected:Npn \__cmd_check_definable:nNT #1
   { \tl_trim_spaces_apply:nN {#1} \__cmd_check_definable_aux:nN }
 \group_begin:
@@ -4641,12 +4581,6 @@ of this package available from CTAN}
     LaTeX~did~not~find~this~argument~and~will~insert~a~default~value~
     for~further~processing.
   }
-\msg_new:nnnn { cmd } { non-xparse }
-  { \str_uppercase:n #1~not~defined~using~xparse. }
-  {
-    You~have~asked~for~the~argument~specification~for~the~#1,~
-    but~this~was~not~defined~using~xparse.
-  }
 \msg_new:nnnn { cmd } { arg-split }
   { Too~many~'#1'~separators~in~argument. }
   {
@@ -4654,12 +4588,6 @@ of this package available from CTAN}
     at~each~occurrence~of~the~separator~'#1'~into~#2~parts.~
     Too~many~separators~were~found.
   }
-\msg_new:nnnn { cmd } { unknown }
-  { Unknown~document~#1. }
-  {
-    You~have~asked~for~the~argument~specification~for~the~#1,~
-    but~it~is~not~defined.
-  }
 \msg_new:nnnn { cmd } { verbatim-nl }
   { Verbatim-like~#1~ended~by~end~of~line. }
   {
@@ -4860,18 +4788,6 @@ of this package available from CTAN}
 \cs_new_eq:NN \SplitList      \__cmd_split_list:nn
 \cs_new_eq:NN \TrimSpaces     \__cmd_trim_spaces:n
 \cs_new_eq:NN \ProcessList \tl_map_function:nN
-\cs_new_protected:Npn \GetDocumentCommandArgSpec #1
-  {
-    \__cmd_check_definable:nNT {#1} \GetDocumentCommandArgSpec
-      { \__cmd_get_arg_spec:N #1 }
-  }
-\cs_new_eq:NN \GetDocumentEnvironmentArgSpec \__cmd_get_arg_spec:n
-\cs_new_protected:Npn \ShowDocumentCommandArgSpec #1
-  {
-    \__cmd_check_definable:nNT {#1} \ShowDocumentCommandArgSpec
-      { \__cmd_show_arg_spec:N #1 }
-  }
-\cs_new_eq:NN \ShowDocumentEnvironmentArgSpec \__cmd_show_arg_spec:n
 \cs_gset_eq:NN \__kernel_chk_if_free_cs:N \__cmd_chk_if_free_cs:N
 \cs_undefine:N \__cmd_chk_if_free_cs:N
 
@@ -4884,8 +4800,8 @@ of this package available from CTAN}
 \catcode`\^^@=\@latexrelease@catcode@null\relax
 
 %%% From File: lthooks.dtx
-\def\lthooksversion{v1.1e}
-\def\lthooksdate{2023/06/06}
+\def\lthooksversion{v1.1f}
+\def\lthooksdate{2023/08/11}
 \ExplSyntaxOn
 \NewModuleRelease{2020/10/01}{lthooks}
                  {The~hook~management~system}
@@ -5367,7 +5283,7 @@ of this package available from CTAN}
       }
       { \tl_gset:Nn \g__hook_hook_curr_name_tl {#1} }
   }
-\IncludeInRelease{2023/06/01}{\hook_gput_code_with_args:nnn}
+\IncludeInRelease{2023/06/01}{\hook_gput_code:nnn}
                  {Hooks~with~args}
 \cs_new_protected:Npn \hook_gput_code:nnn #1 #2 #3
   {
@@ -5844,7 +5760,7 @@ of this package available from CTAN}
       }
   }
 \EndIncludeInRelease
-\IncludeInRelease{2023/06/01}{\hook_gremove_code:nn}
+\IncludeInRelease{2020/10/01}{\hook_gremove_code:nn}
                  {Hooks~with~args}
 \cs_new_protected:Npn \__hook_gremove_code:nn #1 #2
   {
@@ -6302,6 +6218,8 @@ of this package available from CTAN}
     \cs_gset_eq:NN \hook_use:n \__hook_use_initialized:n
     \cs_gset_eq:NN \__hook_preamble_hook:n \use_none:n
   }
+\cs_gset_eq:NN \@expl@@@initialize@all@@
+               \__hook_initialize_all:
 \EndIncludeInRelease
 \IncludeInRelease{2023/06/01}{\__hook_initialize_hook_code:n}
                  {Hooks~with~args}
@@ -7511,7 +7429,7 @@ of this package available from CTAN}
 \NewDocumentCommand \NewMirroredHookPairWithArguments { mmm }
   { \hook_new_pair_with_args:nnn {#1} {#2} {#3} }
 \EndIncludeInRelease
-\IncludeInRelease{2023/06/01}{\NewHookWithArguments}
+\IncludeInRelease{2020/10/01}{\NewHookWithArguments}
                  {Hooks~with~args}
 \cs_new_protected:Npn \NewHookWithArguments #1 #2 { }
 \cs_new_protected:Npn \NewReversedHookWithArguments #1 #2 { }
@@ -7736,8 +7654,8 @@ of this package available from CTAN}
 %% Copyright (C) 2020-2023
 %% Frank Mittelbach, Phelype Oleinik, The LaTeX Project
 %%% From File: ltcmdhooks.dtx
-\def\ltcmdhooksversion{v1.0h}
-\def\ltcmdhooksdate{2023/05/21}
+\def\ltcmdhooksversion{v1.0i}
+\def\ltcmdhooksdate{2023/06/16}
 \ExplSyntaxOn
 \NewModuleRelease{2021/06/01}{ltcmdhooks}
                  {The~hook~management~system~for~commands}
@@ -8305,10 +8223,10 @@ of this package available from CTAN}
     \cs_gset_eq:NN #1 \kerneltmpDoNotUse
   }
 \EndIncludeInRelease
-\IncludeInRelease{2021/11/15}{wrong-cmd-hook}%
+\IncludeInRelease{2023/06/01}{wrong-cmd-hook}%
                  {Standardise~generic~hook~names}
 \EndIncludeInRelease
-\IncludeInRelease{2021/11/15}{wrong-cmd-hook}%
+\IncludeInRelease{2021/06/01}{wrong-cmd-hook}%
                  {Standardise~generic~hook~names}
 \msg_new:nnnn { hooks } { wrong-cmd-hook }
   {
@@ -8346,6 +8264,198 @@ of this package available from CTAN}
 \EndModuleRelease
 \ExplSyntaxOff
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%% From File: ltsockets.dtx
+\def\ltsocketsversion{0.9a}
+\def\ltsocketsdate{2023-08-21}
+\ExplSyntaxOn
+\NewModuleRelease{2023/11/01}{ltsockets}
+                 {The~socket~management~system}
+\bool_new:N \g__socket_debug_bool
+\cs_new_eq:NN \__socket_debug:n \use_none:n
+\cs_new_eq:NN \__socket_debug_term:n \use_none:n
+\cs_new_protected:Npn \socket_debug_on:
+  {
+    \bool_gset_true:N \g__socket_debug_bool
+    \__socket_debug_gset:
+  }
+\cs_new_protected:Npn \socket_debug_off:
+  {
+    \bool_gset_false:N \g__socket_debug_bool
+    \__socket_debug_gset:
+  }
+\cs_new_protected:Npn \__socket_debug_gset:
+  {
+    \cs_gset_protected:Npx \__socket_debug:n ##1
+      { \bool_if:NT \g__socket_debug_bool {##1} }
+    \cs_gset_protected:Npx \__socket_debug_term:n ##1
+      { \bool_if:NT \g__socket_debug_bool
+        { \iow_term:x { ^^J [Sockets]~ ==>~ ##1} } }
+  }
+\cs_new_protected:Npn \socket_new:nn #1 #2 {
+  \str_if_exist:cTF { l__socket_#1_plug_str }
+      {
+        \msg_error:nnn { socket } { already-declared } {#1}
+      }
+      {
+        \int_if_zero:nTF \tex_currentgrouplevel:D
+          {
+            \str_new:c { l__socket_#1_plug_str }
+            \seq_new:c { l__socket_#1_plugs_seq }
+            \int_const:cn { c__socket_#1_args_int } {#2}
+            \socket_new_plug:nnn {#1} { noop } {}
+            \int_compare:nNnTF {#2} = 1
+              {
+                \socket_new_plug:nnn {#1} { identity } {##1}
+                \socket_assign_plug:nn {#1} { identity }
+              }
+              { \socket_assign_plug:nn {#1} { noop } }
+            \__socket_debug_term:n
+              { Socket~ '#1'~ declared~ with~ #2~ input(s) }
+          }
+          {
+            \msg_error:nn { socket } { not-top-level }
+          }
+      }
+}
+\cs_new_protected:Npn \socket_log:n #1 {
+  \typeout{ Socket~ #1:}
+  \str_if_exist:cTF { l__socket_#1_plug_str }
+      {
+        \typeout{ \@spaces number~ of~ inputs~ =~
+                  \int_use:c { c__socket_#1_args_int } }
+        \typeout{ \@spaces available~plugs~ =~
+                  \seq_use:cnnn { l__socket_#1_plugs_seq }{,~}{,~}{,~} }
+        \typeout{ \@spaces current~ plug~ =~
+                  \str_use:c { l__socket_#1_plug_str } }
+        \typeout{ \@spaces definition~ =~
+                  \cs_meaning:c
+                    { __socket_#1_plug_ \str_use:c { l__socket_#1_plug_str } :w } }
+        \typeout{}
+      }
+      {
+        \typeout { Socket~ is~ not~ declared! }
+      }
+}
+\cs_new_protected:Npn \socket_show:n #1 {\socket_log:n {#1} \errmessage{}}
+\cs_new_protected:Npn \socket_new_plug:nnn #1#2#3 {
+  \str_if_exist:cTF { l__socket_#1_plug_str }
+      {
+        \cs_if_exist:cTF { __socket_#1_plug_#2:w }
+          {
+            \msg_error:nnnn { socket } { plug-already-declared } {#1} {#2}
+          }
+          {
+            \cs_generate_from_arg_count:cNnn
+              { __socket_#1_plug_#2:w }
+              \cs_new_protected:Npn
+              { \int_use:c { c__socket_#1_args_int } }
+              {#3}
+            \seq_put_right:cn { l__socket_#1_plugs_seq } {#2}
+            \__socket_debug_term:n
+              { Plug~ '#2'~ for~ socket~ '#1'~ declared. }
+          }
+      }
+      {
+        \msg_error:nnn { socket } { undeclared } {#1}
+      }
+}
+\cs_new_protected:Npn \socket_set_plug:nnn #1#2#3 {
+  \str_if_exist:cTF { l__socket_#1_plug_str }
+      {
+        \cs_if_exist:cTF { __socket_#1_plug_#2:w }
+          {
+            \cs_generate_from_arg_count:cNnn
+              { __socket_#1_plug_#2:w }
+              \cs_set_protected:Npn
+              { \int_use:c { c__socket_#1_args_int } }
+              {#3}
+            \__socket_debug_term:n
+              {  Plug~ '#2'~ for~ socket~ '#1'~ changed. }
+          }
+          {
+            \msg_error:nnnn { socket } { plug-undeclared } {#1} {#2}
+          }
+      }
+      {
+        \msg_error:nnn { socket } { undeclared } {#1}
+      }
+}
+\cs_new_protected:Npn \socket_assign_plug:nn #1 #2 {
+  \str_if_exist:cTF { l__socket_#1_plug_str }
+      {
+        \cs_if_exist:cTF { __socket_#1_plug_#2:w }
+          {
+            \__socket_debug_term:n
+              { Replacing~ plug~ '\str_use:c { l__socket_#1_plug_str }'~
+                with~ '#2'~ in~ socket~ '#1'. }
+            \str_set:cn { l__socket_#1_plug_str } {#2}
+          }
+          {
+            \msg_error:nnnn { socket } { plug-undeclared } {#1} {#2}
+          }
+      }
+      { \msg_error:nnn { socket } { undeclared } {#1} }
+}
+\cs_new_protected:Npn \socket_use:nw #1 {
+  \__socket_debug_term:n
+    { Socket~ '#1'~ containing~ plug~
+      '\str_use:c { l__socket_#1_plug_str }'~ used. }
+  \use:c { __socket_#1_plug_ \str_use:c { l__socket_#1_plug_str } :w }
+}
+\cs_new_eq:NN  \socket_use:n \socket_use:nw     % socket with no inputs
+\cs_new_eq:NN  \socket_use:nn \socket_use:nw    % socket with one input
+\cs_new_eq:NN  \socket_use:nnn \socket_use:nw   % socket with two inputs
+\cs_new_eq:NN  \socket_use:nnnn \socket_use:nw  % socket with three inputs
+
+\msg_new:nnnn { socket } { already-declared }
+    { Socket~ '#1'~ already~ declared! }
+    { A~ socket~ can~ only~ be~ declared~ once.~ The~ name~ '#1'~ is~
+      already~ taken.~ Use~ \ShowSocket{#1}~ to~ see~ its~ definition. }
+
+\msg_new:nnnn { socket } { undeclared }
+    { Socket~ '#1'~ undeclared! }
+    { You~ tried~ to~ use~ a~ socket~ that~ was~ not~ declared~ before. }
+
+\msg_new:nnnn { socket } { not-top-level }
+    { Sockets~ can~ only~ be~ declared~ at~ top-level! }
+    { It~ is~ not~ allowed~ to~ declare~ sockets~ inside~ a~
+      group.~ Move~ the~ declaration~ to~ the~ top-level. }
+\msg_new:nnnn { socket } { plug-already-declared }
+    { Plug~ '#2'~ for~ socket~ '#1'~ already~ declared! }
+    { You~ can't~ change~ an~ existing~ plug~ with~ \NewSocketPlug~ and~ it~
+      is~ normally~ not~ sensible~ to~ do~ so.~ Use~ the~ L3~ programming~
+      layer~ function~ \socket_set_plug:nnn~ if~ you~ really~ have~ to. }
+
+\msg_new:nnnn { socket } { plug-undeclared }
+    { Plug~ '#2'~ for~ socket~ '#1'~ undeclared! }
+    { The~ plug~ name~ is~ unknown.~ Is~ the~ name~ misspelled~ or~ did~ you~
+      intend~ to~ assign~ it~ to~ a~ different~ socket? }
+\prop_gput:Nnn \g_msg_module_type_prop { socket } { LaTeX }
+\cs_new_eq:NN \NewSocket         \socket_new:nn
+\cs_new_eq:NN \ShowSocket        \socket_show:n
+\cs_new_eq:NN \LogSocket         \socket_log:n
+\cs_new_eq:NN \NewSocketPlug     \socket_new_plug:nnn
+\cs_new_eq:NN \AssignSocketPlug  \socket_assign_plug:nn
+\cs_new_eq:NN \UseSocket         \socket_use:nw
+\cs_new_eq:NN \DebugSocketsOn    \socket_debug_on:
+\cs_new_eq:NN \DebugSocketsOff   \socket_debug_off:
+\IncludeInRelease{0000/00/00}{ltsockets}
+                 {The~socket~management~(undo)}%
+
+\let \NewSocket  \@undefined
+\let \ShowSocket \@undefined
+\let \LogSocket  \@undefined
+
+\let \NewSocketPlug    \@undefined
+\let \AssignSocketPlug \@undefined
+\let \UseSocket        \@undefined
+
+\let \DebugSocketsOn  \@undefined
+\let \DebugSocketsOff \@undefined
+
+\EndModuleRelease
+\ExplSyntaxOff
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%% From File: ltalloc.dtx
 %%% From File: ltcntrl.dtx
 %%% From File: lterror.dtx
@@ -8920,6 +9030,14 @@ of this package available from CTAN}
     \@esphack
   \fi}
 \EndIncludeInRelease
+\IncludeInRelease{2023/11/01}%
+                 {\@xobeytab}{Obeyed tabs}%
+\let\@xobeytab\@xobeysp
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\@xobeytab}{Obeyed tabs}%
+\let\@xobeytab\@undefined
+\EndIncludeInRelease
 \IncludeInRelease{2015/01/01}%
                  {\@}{Space after \@}%
 \def\@{\spacefactor\@m{}}%
@@ -9371,7 +9489,7 @@ of this package available from CTAN}
   \reserved@a}
 
 \EndIncludeInRelease
-\IncludeInRelease{2023/05/01}%
+\IncludeInRelease{2023/06/01}%
                  {\IfFileExists@}{IfFileExists}
 \long\def \IfFileExists@#1#2#3{%
   \edef\@filef@und{\IfFileExists@@{#1}}%
@@ -9390,7 +9508,16 @@ of this package available from CTAN}
     \expandafter{\reserved@a{#2}{#3}}%
 \reserved@a}
 \ExplSyntaxOn
-\cs_new_eq:NN \IfFileExists@@ \file_full_name:n
+\cs_new:Npn \IfFileExists@@ #1
+  {
+    \tl_if_blank:nF {#1}
+      {
+        \tl_if_head_eq_charcode:oNTF { \use:n #1 } |
+          {#1}
+          { \file_full_name:n {#1} }
+      }
+  }
+\cs_generate_variant:Nn \tl_if_head_eq_charcode:nNTF { o }
 \ExplSyntaxOff
 \EndIncludeInRelease
 \IncludeInRelease{2021/06/01}%
@@ -13111,7 +13238,344 @@ of this package available from CTAN}
 \let\Ref\@undefined
 
 \EndIncludeInRelease
+%% File: ltproperties.dtx
+\def\ltpropertiesversion{1.0b}
+\def\ltpropertiesdate{2023-09-13}
+
+
+
+\ExplSyntaxOn
+\NewModuleRelease{2023/11/01}{ltproperties}
+                 {Cross-referencing~properties}
+\cs_new_protected:Npn \property_new:nnnn #1#2#3#4
+  {
+    \cs_if_free:cTF { __property_code_ #1 : }
+      {
+        \exp_args:Nx \__property_gset:nnnn { \tl_to_str:n {#1} }
+         {#2} {#3} {#4}
+      }
+      {
+        \msg_error:nn { property }{ exists }{#1}
+      }
+  }
+\cs_new_protected:Npn \property_gset:nnnn #1#2#3#4
+  {
+    \__property_gset:xnnn { \tl_to_str:n {#1} }
+      {#2} {#3} {#4}
+  }
+\cs_new_protected:Npn \__property_gset:nnnn #1#2#3#4
+  {
+    \cs_gset:cpn { __property_code_ #1 : } {#4}
+    \tl_gclear_new:c { g__property_default_ #1 _tl }
+    \tl_gset:cn { g__property_default_ #1 _tl } {#3}
+    \bool_if_exist:cF { g__property_shipout_ #1 _tl }
+      { \bool_new:c { g__property_shipout_ #1 _tl } }
+    \str_case:nnF {#2}
+      {
+        { now } { { \bool_gset_false:c { g__property_shipout_ #1 _tl } } }
+        { shipout }
+          { \bool_gset_true:c { g__property_shipout_ #1 _tl } }
+      }
+      { \msg_error:nnnn { property } { unknown-setpoint } {#1} {#2} }
+  }
+\cs_generate_variant:Nn \__property_gset:nnnn {xnnn}
+\cs_new_protected:Npn \NewProperty #1#2#3#4
+  {
+    \exp_args:Nx \property_new:nnnn {#1}{#2}{#3}{#4}
+  }
+\cs_new_protected:Npn \SetProperty #1#2#3#4
+  {
+    \exp_args:Nx \property_gset:nnnn {#1}{#2}{#3}{#4}
+  }
+\cs_new_protected:Npn \property_record:nN #1#2
+  { \property_record:nV {#1} #2 }
+\cs_new_protected:Npn \property_record:nn #1#2
+  { \__property_record:xn { \tl_to_str:n {#1} } {#2} }
+\cs_generate_variant:Nn \property_record:nn { nV , xx }
+\cs_new_protected:Npn \__property_record:nn #1#2
+  {
+    \legacy_if:nT { @filesw }
+      {
+        \iow_shipout_x:Nx \@auxout
+          {
+            \token_to_str:N \new@label@record
+              {#1}
+              { \clist_map_function:nN {#2} \__property_record_value:n }
+          }
+      }
+  }
+\cs_generate_variant:Nn \__property_record:nn { x }
+\cs_new:Npn \__property_record_value:n #1
+  { \__property_record_value_aux:e { \tl_to_str:n {#1} } }
+\cs_new:Npn \__property_record_value_aux:n #1
+  {
+    \cs_if_exist:cTF { __property_code_ #1 : }
+      {
+        {#1}
+        {
+          \bool_if:cTF { g__property_shipout_ #1 _tl }
+            { \exp_not:c }
+            { \use:c }
+              { __property_code_ #1 : }
+        }
+      }
+      { \msg_expandable_error:nnn { property } { not-declared } {#1} }
+  }
+\cs_generate_variant:Nn \__property_record_value_aux:n { e }
+\NewDocumentCommand\RecordProperties { m m }
+  {
+    \@bsphack
+    \property_record:xx {#1}{#2}
+    \@esphack
+  }
+\flag_new:n { l__property_ref_flag }
+\cs_new:Npn \property_ref:nn #1#2
+  {
+    \__property_ref:een
+      { \tl_to_str:n {#1} }
+      { \tl_to_str:n {#2} }
+      { \tl_use:c { g__property_default_ #2 _tl } }
+  }
+\cs_generate_variant:Nn \property_ref:nn {ee}
+\cs_new:Npn \property_ref:nnn #1#2#3
+  {
+    \__property_ref:een
+      { \tl_to_str:n {#1} }
+      { \tl_to_str:n {#2} }
+      {#3}
+  }
+\cs_new:Npn \__property_ref:nnn #1#2#3
+  {
+    \tl_if_exist:cTF { g__property_label_ #1 _ #2 _tl }
+      { \tl_use:c { g__property_label_ #1 _ #2 _tl } }
+      {
+        \flag_if_raised:nF
+          { l__property_ref_flag } { \flag_raise:n { l__property_ref_flag } }
+        \tl_if_exist:cTF { g__property_default_ #2 _tl }
+          { #3 }
+          { \msg_expandable_error:nnn { property } { not-declared } {#2} }
+      }
+  }
+\cs_generate_variant:Nn \__property_ref:nnn { ee }
+\cs_generate_variant:Nn \property_ref:nnn {een}
+\NewExpandableDocumentCommand \RefProperty { o m m }
+  {
+    \IfNoValueTF {#1}
+      {
+        \property_ref:ee {#2}{#3}
+      }
+      {
+        \property_ref:een {#2}{#3}{#1}
+      }
+  }
+\cs_new_protected:Npn \new@label@record #1#2
+  {
+    \tl_if_exist:cTF { r@#1 }
+      {
+        \gdef \@multiplelabels
+          { \@latex@warning@no@line { There~were~multiply-defined~labels } }
+        \@latex@warning@no@line { Label~`#1'~multiply~defined }
+      }
+      {
+        \tl_new:c { r@#1 }
+        \tl_gset:cn { r@#1 }{#2}
+      }
+    \__property_data:nnn {#1} #2 { \q_recursion_tail } { ? } \q_recursion_stop
+  }
+\cs_new_protected:Npn \__property_data:nnn #1#2#3
+  {
+    \quark_if_recursion_tail_stop:n {#2}
+    \tl_gclear_new:c { g__property_label_ \tl_to_str:n {#1} _ \tl_to_str:n {#2} _tl }
+    \tl_gset:cn { g__property_label_ \tl_to_str:n {#1} _ \tl_to_str:n {#2} _tl } {#3}
+    \__property_data:nnn {#1}
+  }
+\cs_new_protected:Npn \@kernel@new@label@record@testdef #1 #2
+  {
+    \tl_if_eq:cnF { r@#1 } {#2}
+      { \@tempswatrue }
+  }
+\prg_new_conditional:Npnn \property_if_exist:n #1 { p , T , F,  TF }
+  % #1 property
+  {
+    \cs_if_exist:cTF { __property_code_ #1 : }
+      {
+        \prg_return_true:
+      }
+      {
+        \prg_return_false:
+      }
+  }
+\prg_generate_conditional_variant:Nnn \property_if_exist:n {e} {TF}
+\cs_new_eq:NN \IfPropertyExistTF \property_if_exist:eTF
+\prg_new_conditional:Npnn \property_if_recorded:n #1 { p , T , F,  TF }
+  % #1 label
+  {
+    \tl_if_exist:cTF { r@#1 }
+      {
+        \prg_return_true:
+      }
+      {
+        \prg_return_false:
+      }
+  }
+\prg_generate_conditional_variant:Nnn \property_if_recorded:n {e} {TF}
+\cs_new_eq:NN \IfLabelExistTF \property_if_recorded:eTF
+\prg_new_conditional:Npnn \property_if_recorded:nn #1#2 { p , T , F,  TF }
+  % #1 label #2 property
+  {
+    \tl_if_exist:cTF { g__property_label_ \tl_to_str:n {#1} _ \tl_to_str:n {#2} _tl }
+      {
+        \prg_return_true:
+      }
+      {
+        \prg_return_false:
+      }
+  }
+\prg_generate_conditional_variant:Nnn \property_if_recorded:nn {ee} {TF}
+\cs_new_eq:NN \IfPropertyRecordedTF \property_if_recorded:eeTF
+\cs_new_protected:Npn \property_ref_undefined_warn:
+ {
+   \flag_if_raised:nT { l__property_ref_flag }
+    {
+      \G@refundefinedtrue
+    }
+ }
+\cs_new_protected:Npn \property_ref_undefined_warn:n #1 %#1 label
+  {
+   \property_if_recorded:nF {#1}
+    {
+       \G@refundefinedtrue
+       \@latex@warning{Reference~`#1'~on~page~\thepage\space undefined}%
+    }
+  }
+\cs_new_protected:Npn \property_ref_undefined_warn:nn #1#2 %#1 label, #2 property
+ {
+   \property_if_recorded:nTF {#1}
+    {
+      \property_if_recorded:nnF {#1}{#2}
+        {
+          \G@refundefinedtrue
+          \@latex@warning
+           { Property~`#2'~undefined~for~reference~`#1'~on~page~\thepage }
+        }
+    }
+    {
+       \G@refundefinedtrue
+       \@latex@warning { Reference~`#1'~on~page~\thepage\space undefined }%
+    }
+ }
+\cs_generate_variant:Nn \property_ref_undefined_warn:nn {xx}
+\cs_set_eq:NN \RefUndefinedWarn \property_ref_undefined_warn:xx
+\property_new:nnnn { abspage } { shipout }
+  { 0 } { \int_use:N \g_shipout_readonly_int }
+\property_new:nnnn  { page } { shipout } { 0 } { \thepage }
+\property_new:nnnn  { pagenum } { shipout } { 0 } { \the \value { page } }
+\property_new:nnnn  { currentlabel } { now } { ?? } { \@currentlabel }
+\property_new:nnnn  { title } { now }
+  { \exp_not:n { \textbf { ?? } } } { \@currentlabelname }
+\property_new:nnnn  { target } { now } { } { \@currentHref }
+\property_new:nnnn  { counter } { now }  { } { \@currentcounter }
+\property_new:nnnn  { xpos } { shipout } { 0} { \int_use:N \tex_lastxpos:D }
+\property_new:nnnn  { ypos } { shipout } { 0} { \int_use:N \tex_lastypos:D }
+\msg_new:nnnn { property } { exists }
+    { Property~'#1'~ has~ already~ been~ declared. }
+    { There~ already~ exists~ a~ property~ declaration~ with~ this~
+      name.\\
+      Please~ use~ a~ different~ name~ for~ your~ property.}
+
+\msg_new:nnnn { property } { not-declared }
+  { Property~'#1'~not~declared. }
+  {
+    LaTeX~has~been~asked~to~use~property~'#1',~but~this~
+    name~has~not~been~declared.
+  }
+\msg_new:nnnn { property } { unknown-setpoint }
+  { Unknown~keyword~'#2'~for~setting~property~'#1'. }
+  {
+    LaTeX~has~been~asked~to~set~the~property~'#1',~but~the~keyword~
+    '#2'~is~not~one~of~the~two~known~values:~'now'~or~'shipout'.
+  }
+\IncludeInRelease{0000/00/00}{ltproperties}
+                 {cross-referencing~properties~(undo)}%
+
+\let \NewProperty  \@undefined
+\let \SetProperty \@undefined
+
+\let \RecordProperties  \@undefined
+\let \RefProperty \@undefined
+\let \RefUndefinedWarn  \@undefined
+
+\let \IfPropertyExistTF \@undefined
+\let \IfLabelExistTF \@undefined
+\let \IfPropertyRecordedTF  \@undefined
+
+\let\new@label@record \@undefined
+\let\@kernel@new@label@record@testdef\@undefined
+\EndModuleRelease
+\ExplSyntaxOff
 %%% From File: ltmiscen.dtx
+\IncludeInRelease{2023/11/01}%
+                 {\enddocument}{check property labels}%
+\def\enddocument{%
+   \@kernel@before@enddocument
+   \UseOneTimeHook{enddocument}%
+   \@kernel@after@enddocument
+   \@checkend{document}%
+   \clearpage
+   \UseOneTimeHook{enddocument/afterlastpage}%
+   \@kernel@after@enddocument@afterlastpage
+   \begingroup
+     \if@filesw
+       \immediate\closeout\@mainaux
+       \let\@setckpt\@gobbletwo
+       \let\@newl@bel\@testdef
+       \let\new@label@record\@kernel@new@label@record@testdef
+       \@tempswafalse
+       \makeatletter \@@input\jobname.aux
+     \fi
+     \UseOneTimeHook{enddocument/afteraux}%
+     \UseOneTimeHook{enddocument/info}%
+   \endgroup
+   \UseOneTimeHook{enddocument/end}%
+   \deadcycles\z@\@@end}
+\NewHook{enddocument}
+\NewHook{enddocument/afterlastpage}
+\NewHook{enddocument/afteraux}
+\NewHook{enddocument/info}
+\NewHook{enddocument/end}
+\AddToHook{enddocument/info}[kernel/filelist]{\@dofilelist}
+\AddToHook{enddocument/info}[kernel/warnings]{\@enddocument@kernel@warnings}
+\AddToHook{enddocument/info}[kernel/release]{%
+   \let\show@release@info\wlog
+   \show@release@info{ ***********}%
+   \the\LaTeXReleaseInfo
+   \show@release@info{ ***********}}
+
+\DeclareHookRule{enddocument/info}{kernel/release}{before}{kernel/filelist}
+\DeclareHookRule{enddocument/info}{kernel/filelist}{before}{kernel/warnings}
+\def\@enddocument@kernel@warnings{%
+   \ifdim \font@submax >\fontsubfuzz\relax
+     \@font@warning{Size substitutions with differences\MessageBreak
+                up to \font@submax\space have occurred.\@gobbletwo}%
+   \fi
+   \@defaultsubs
+   \@refundefined
+   \if@filesw
+     \ifx \@multiplelabels \relax
+       \if@tempswa
+         \@latex@warning@no@line{Label(s) may have changed.
+             Rerun to get cross-references right}%
+       \fi
+     \else
+       \@multiplelabels
+     \fi
+     \ifx \@extra@page@added \relax
+         \@latex@warning@no@line{Temporary extra page added at the end.
+             Rerun to get it removed}%
+     \fi
+   \fi
+}
+\EndIncludeInRelease
 \IncludeInRelease{2020/10/01}%
                  {\enddocument}{Use Hooks}%
 \def\enddocument{%
@@ -13225,7 +13689,6 @@ of this package available from CTAN}
 \IncludeInRelease{2018/12/01}%
                  {\protected@file@percent}{Mask line endings}%
 \protected\def\protected@file@percent{}
-
 \catcode`\^^A=9
 \long\gdef\add@percent@to@temptokena
     #1\protected@file@percent#2\add@percent@to@temptokena
@@ -13443,6 +13906,21 @@ of this package available from CTAN}
 \kernel@make@fragile\raggedleft
 
 \EndIncludeInRelease
+\IncludeInRelease{2023/11/01}%
+                 {\@vobeytabs}{Obeyed tabs}%
+{\catcode`\ =\active%
+\gdef\@vobeyspaces{\catcode`\ \active\let \@xobeysp\@vobeytabs}}
+{\catcode`\^^I=\active
+\gdef\@vobeytabs{\catcode`\^^I\active\let^^I\@xobeytab}%
+\global\let^^I=\space
+}
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\@vobeytabs}{Obeyed tabs}%
+{\catcode`\ =\active%
+\gdef\@vobeyspaces{\catcode`\ \active\let \@xobeysp}}
+\let\@vobeytabs\@undefined
+\EndIncludeInRelease
 \IncludeInRelease{2017-04-15}{\@verbatim}%
                  {Disable hyphenation in verbatim}%
 \def\@verbatim{\trivlist \item\relax
@@ -13494,17 +13972,6 @@ of this package available from CTAN}
   \DeclareRobustCommand\verbvisiblespace
            {\leavevmode{\usefont{OT1}{cmtt}{m}{n}\asciispace}}    % xetex/luatex version
 \fi
-
-\def\@setupverbvisiblespace{%
-  \ifx\verbvisiblespace\asciispace
-    \let\@xobeysp\asciispace
-  \else
-    \setbox\z@\hbox{x}%
-    \setbox\@verbvisiblespacebox\hbox to\wd\z@{\hss\verbvisiblespace\hss}%
-    \def\@xobeysp{\leavevmode\copy\@verbvisiblespacebox}%
-  \fi
-}
-
 \newbox\@verbvisiblespacebox
 \@namedef{verbatim*}{\@verbatim
   \@setupverbvisiblespace
@@ -13521,9 +13988,62 @@ of this package available from CTAN}
 \let\@setupverbvisiblespace\@undefined
 \let\@verbvisiblespacebox  \@undefined
 \EndIncludeInRelease
+\IncludeInRelease{2023/11/01}%
+                 {\@setupverbvisiblespace}{Setup visible tab for \verb}%
+\def\@setupverbvisiblespace{%
+  \ifx\verbvisiblespace\asciispace
+    \let\@xobeysp\asciispace
+  \else
+    \setbox\z@\hbox{x}%
+    \setbox\@verbvisiblespacebox\hbox to\wd\z@{\hss\verbvisiblespace\hss}%
+    \def\@xobeysp{\leavevmode\copy\@verbvisiblespacebox}%
+  \fi
+  \@setupverbvisibletab
+}
+\EndIncludeInRelease
+\IncludeInRelease{2018/12/01}%
+                 {\@setupverbvisiblespace}{Setup visible space for \verb}%
+\def\@setupverbvisiblespace{%
+  \ifx\verbvisiblespace\asciispace
+    \let\@xobeysp\asciispace
+  \else
+    \setbox\z@\hbox{x}%
+    \setbox\@verbvisiblespacebox\hbox to\wd\z@{\hss\verbvisiblespace\hss}%
+    \def\@xobeysp{\leavevmode\copy\@verbvisiblespacebox}%
+  \fi
+}
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\@setupverbvisiblespace}{Setup visible space for \verb}%
+\let\@setupverbvisiblespace\@undefined
+\EndIncludeInRelease
+\IncludeInRelease{2023/11/01}%
+                 {\@setupverbvisibletab}{Setup visible tab for \verb}%
+\def\@setupverbvisibletab{\let\@xobeytab\@xobeysp}
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\@setupverbvisibletab}{Setup visible tab for \verb}%
+\let\@setupverbvisibletab\@undefined
+\EndIncludeInRelease
+\IncludeInRelease{2023/11/01}%
+                 {\@sverb}{Support visible tabs}%
+\def\@sverb#1{\if\noexpand#1 \expandafter\@sverb\else\@@sverb{#1}\fi}
+\def\@@sverb#1{%
+  \catcode`#1\active
+  \lccode`\~`#1%
+  \gdef\verb@balance@group{\verb@egroup
+     \@latex@error{\noexpand\verb illegal in argument}\@ehc}%
+  \aftergroup\verb@balance@group
+  \lowercase{\let~\verb@egroup}%
+  \ifnum0%
+    \ifnum\catcode`\ =\active\else 1\fi
+    \ifnum\catcode`\^^I=\active\else 1\fi
+    =0 %
+  \else  \@setupverbvisiblespace \@vobeyspaces \fi
+}
+\EndIncludeInRelease
 \IncludeInRelease{2020/10/01}%
                  {\@sverb}{Drop spaces before \verb delimiter}%
-\def\@sverb#1{\if\noexpand#1 \expandafter\@sverb\else\@@sverb{#1}\fi}
 \def\@@sverb#1{%
   \catcode`#1\active
   \lccode`\~`#1%
@@ -16609,7 +17129,7 @@ of this package available from CTAN}
 \EndIncludeInRelease
 %%% From File: ltfilehook.dtx
 \providecommand\ltfilehookversion{v1.0o}
-\providecommand\ltfilehookdate{2023/04/02}
+\providecommand\ltfilehookdate{2023/07/10}
 \IncludeInRelease{2020/10/01}%
                  {\CurrentFile}{Hook management file}%
 \ExplSyntaxOn
diff --git a/Master/texmf-dist/tex/latex-dev/base/ltluatex.lua b/Master/texmf-dist/tex/latex-dev/base/ltluatex.lua
index 5573fc75636..45bd9dff75b 100644
--- a/Master/texmf-dist/tex/latex-dev/base/ltluatex.lua
+++ b/Master/texmf-dist/tex/latex-dev/base/ltluatex.lua
@@ -230,7 +230,11 @@ local luafunction_count_name =
                          luafunction_count_name or "e@alloc@luafunction@count"
 local function new_luafunction(name)
   tex_setcount("global", luafunction_count_name,
-                         tex_count[luafunction_count_name] + 1)
+                         math.max(
+                           #(lua.get_functions_table()),
+                           tex_count[luafunction_count_name])
+                          + 1)
+  lua.get_functions_table()[tex_count[luafunction_count_name]] = false
   if tex_count[luafunction_count_name] > 65534 then
     luatexbase_error("No room for a new luafunction register")
   end
@@ -758,7 +762,7 @@ end
 luatexbase.uninstall = uninstall
 create_callback('pre_mlist_to_hlist_filter', 'list')
 create_callback('mlist_to_hlist', 'exclusive', node.mlist_to_hlist)
-create_callback('post_mlist_to_hlist_filter', 'list')
+create_callback('post_mlist_to_hlist_filter', 'reverselist')
 function shared_callbacks.mlist_to_hlist.handler(head, display_type, need_penalties)
   local current = call_callback("pre_mlist_to_hlist_filter", head, display_type, need_penalties)
   if current == false then
diff --git a/Master/texmf-dist/tex/latex-dev/base/ltluatex.tex b/Master/texmf-dist/tex/latex-dev/base/ltluatex.tex
index ddef389f103..c42a75e40b1 100644
--- a/Master/texmf-dist/tex/latex-dev/base/ltluatex.tex
+++ b/Master/texmf-dist/tex/latex-dev/base/ltluatex.tex
@@ -47,7 +47,7 @@
   #1#2[#3]{\endgroup\immediate\write-1{File: #1 #3}}
 \fi
 \ProvidesFile{ltluatex.tex}%
-[2023/01/19 v1.2b
+[2023/08/03 v1.2c
   LuaTeX support for plain TeX (core)
 ]
 \edef\etatcatcode{\the\catcode`\@}
diff --git a/Master/texmf-dist/tex/latex-dev/base/structuredlog.sty b/Master/texmf-dist/tex/latex-dev/base/structuredlog.sty
index cd77c7b8d2c..a5392defc98 100644
--- a/Master/texmf-dist/tex/latex-dev/base/structuredlog.sty
+++ b/Master/texmf-dist/tex/latex-dev/base/structuredlog.sty
@@ -43,7 +43,7 @@
 %% extension .ins) which are part of the distribution.
 %%% From File: ltfilehook.dtx
 \providecommand\ltfilehookversion{v1.0o}
-\providecommand\ltfilehookdate{2023/04/02}
+\providecommand\ltfilehookdate{2023/07/10}
 \ProvidesExplPackage
     {structuredlog}{\ltfilehookdate}{\ltfilehookversion}
     {Structuring the TeX transcript file}
diff --git a/Master/texmf-dist/tex/latex-dev/firstaid/everysel-ltx.sty b/Master/texmf-dist/tex/latex-dev/firstaid/everysel-ltx.sty
deleted file mode 100644
index c7e7e6e06ca..00000000000
--- a/Master/texmf-dist/tex/latex-dev/firstaid/everysel-ltx.sty
+++ /dev/null
@@ -1,46 +0,0 @@
-%%
-%% This is file `everysel-ltx.sty',
-%% generated with the docstrip utility.
-%%
-%% The original source files were:
-%%
-%% latex2e-first-aid-for-external-files.dtx  (with options: `everysel-ltx')
-%% 
-%% The source is maintained by the LaTeX Project team and bug
-%% reports for it can be opened at https://latex-project.org/bugs/
-%% (but please observe conditions on bug reports sent to that address!)
-%% 
-%% 
-%% Copyright (C) 2020-2021
-%% The LaTeX Project and any individual authors listed elsewhere
-%% in this file.
-%% 
-%% This file was generated from file(s) of the Standard LaTeX `First Aid Bundle'.
-%% ------------------------------------------------------------------------------
-%% 
-%% It may be distributed and/or modified under the
-%% 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
-%%    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 file may only be distributed together with a copy of the LaTeX
-%% `First Aid Bundle'. You may however distribute the LaTeX `First Aid Bundle'
-%% without such generated files.
-%% 
-%% File: latex2e-first-aid-for-external-files.dtx (C) Copyright 2020-2023
-%%
-%% The LaTeX Project and any individual authors listed elsewhere
-%% in this file.
-\ProvidesPackage{everysel-ltx}
-   [2020/12/04 v1.0a
-     Emulation of the original everysel^^Jpackage with kernel methods]
-\newcommand*{\EverySelectfont}[1]
-   {\AddToHook{selectfont}{#1}}
-\newcommand*{\AtNextSelectfont}[1]
-   {\AddToHookNext{selectfont}{#1}}
-\endinput
-%%
-%% End of file `everysel-ltx.sty'.
diff --git a/Master/texmf-dist/tex/latex-dev/firstaid/filehook-ltx.sty b/Master/texmf-dist/tex/latex-dev/firstaid/filehook-ltx.sty
index 2415a38f1c8..ffff6eb4d99 100644
--- a/Master/texmf-dist/tex/latex-dev/firstaid/filehook-ltx.sty
+++ b/Master/texmf-dist/tex/latex-dev/firstaid/filehook-ltx.sty
@@ -11,7 +11,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright (C) 2020-2021
+%% Copyright (C) 2020-2023
 %% The LaTeX Project and any individual authors listed elsewhere
 %% in this file.
 %% 
diff --git a/Master/texmf-dist/tex/latex-dev/firstaid/latex2e-first-aid-for-external-files.ltx b/Master/texmf-dist/tex/latex-dev/firstaid/latex2e-first-aid-for-external-files.ltx
index df4b77ed714..4cfc1c4d1f8 100644
--- a/Master/texmf-dist/tex/latex-dev/firstaid/latex2e-first-aid-for-external-files.ltx
+++ b/Master/texmf-dist/tex/latex-dev/firstaid/latex2e-first-aid-for-external-files.ltx
@@ -11,7 +11,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright (C) 2020-2021
+%% Copyright (C) 2020-2023
 %% The LaTeX Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -34,8 +34,8 @@
 %%
 %% The LaTeX Project and any individual authors listed elsewhere
 %% in this file.
-\def\LaTeXFirstAidDate{2023/05/20}
-\def\LaTeXFirstAidVersion{v1.0z}
+\def\LaTeXFirstAidDate{2023/07/18}
+\def\LaTeXFirstAidVersion{v1.1a}
 \ProvidesFile{latex2e-first-aid-for-external-files.ltx}
              [\LaTeXFirstAidDate\space \LaTeXFirstAidVersion\space
                LaTeX kernel fixes to external files and packages]
@@ -167,19 +167,6 @@
 \ngermanTeX
 }%
 }
-\AddToHook{file/memoir.cls/before}[firstaid]{%
-  \expandafter\def\expandafter\@tempa\string\dimen{}%
-  \edef\kernel@stockheight{\expandafter\@tempa\meaning\stockheight}%
-  \edef\kernel@stockwidth{\expandafter\@tempa\meaning\stockwidth}%
-  \let\stockheight\@undefined
-  \let\stockwidth\@undefined
-}
-\AddToHook{file/memoir.cls/after}[firstaid]{%
-  \dimen\kernel@stockheight=\stockheight
-  \dimen\kernel@stockwidth=\stockwidth
-  \dimendef\stockheight=\kernel@stockheight
-  \dimendef\stockwidth=\kernel@stockwidth
-}
 \endinput
 %%
 %% End of file `latex2e-first-aid-for-external-files.ltx'.