diff --git a/about/about-summary.de.tm b/about/about-summary.de.tm
index b88ae87..2420301 100644
--- a/about/about-summary.de.tm
+++ b/about/about-summary.de.tm
@@ -9,7 +9,7 @@
   <TeXmacs>>|<cell|>>|<row|<cell|Installierte
   Version>|<cell|<TeXmacs-version>>>|<row|<cell|Unterstützte
   Systeme>|<cell|Most GNU/<name|Linux> systems>>|<row|<cell|Copyright>|<cell|<copyright>
-  1998--2002 by Joris van der Hoeven >>|<row|<cell|Lizenz>|<cell|<hlink|GNU
+  1998\U2024 by Joris van der Hoeven >>|<row|<cell|Lizenz>|<cell|<hlink|GNU
   General Public License|$TEXMACS_PATH/LICENSE>>>|<row|<cell|Webseiten>|<cell|<tabular|<tformat|<twith|table-valign|T>|<cwith|1|-1|1|-1|cell-lsep|0spc>|<cwith|1|-1|1|-1|cell-rsep|0spc>|<table|<row|<cell|<verbatim|https://www.texmacs.org>>>|<row|<cell|<verbatim|http://www.gnu.org/software/texmacs>>>>>>>>|<row|<cell|Kontakt>|<cell|<verbatim|contact@texmacs.org>>>|<row|<cell|Postansschrift>|<cell|<tabular|<tformat|<twith|table-valign|T>|<cwith|1|-1|1|-1|cell-lsep|0spc>|<cwith|1|-1|1|-1|cell-rsep|0spc>|<table|<row|<cell|<abbr|Dr.>
   Joris van der Hoeven>>|<row|<cell|<abbr|Dépt.> de Mathématiques
   (<abbr|Bât.> 425)>>|<row|<cell|Université Paris-Sud>>|<row|<cell|91405
@@ -30,4 +30,4 @@
   <\collection>
     <associate|language|german>
   </collection>
-</initial>
\ No newline at end of file
+</initial>
diff --git a/about/about-summary.en.tm b/about/about-summary.en.tm
index fd63a28..a7ea7d4 100644
--- a/about/about-summary.en.tm
+++ b/about/about-summary.en.tm
@@ -10,7 +10,7 @@
   version>|<cell|<TeXmacs-version>>>|<row|<cell|SVN
   revision>|<cell|<TeXmacs-version-release|revision>>>|<row|<cell|Supported
   systems>|<cell|Most GNU/<name|Linux> systems>>|<row|<cell|Copyright>|<cell|<copyright>
-  1998\U2021 by Joris van der Hoeven >>|<row|<cell|License>|<cell|<hlink|GNU
+  1998\U2024 by Joris van der Hoeven >>|<row|<cell|License>|<cell|<hlink|GNU
   General Public License|$TEXMACS_PATH/LICENSE>>>|<row|<cell|Web
   sites>|<cell|<tabular|<tformat|<twith|table-valign|T>|<cwith|1|-1|1|-1|cell-lsep|0spc>|<cwith|1|-1|1|-1|cell-rsep|0spc>|<table|<row|<cell|<verbatim|https://www.texmacs.org>>>|<row|<cell|<verbatim|http://www.gnu.org/software/texmacs>>>>>>>>|<row|<cell|Contact>|<cell|<verbatim|contact@texmacs.org>>>|<row|<cell|Regular
   mail>|<cell|<tabular|<tformat|<twith|table-valign|T>|<cwith|1|-1|1|-1|cell-lsep|0spc>|<cwith|1|-1|1|-1|cell-rsep|0spc>|<table|<row|<cell|<abbr|Prof.>
@@ -80,4 +80,4 @@
 </body>
 
 <initial|<\collection>
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\ No newline at end of file
+</collection>>
diff --git a/about/about-summary.es.tm b/about/about-summary.es.tm
index e308353..feb130c 100644
--- a/about/about-summary.es.tm
+++ b/about/about-summary.es.tm
@@ -8,7 +8,7 @@
   <big-table|<descriptive-table|<tformat|<cwith|1|1|1|1|cell-row-span|1>|<cwith|1|1|1|1|cell-col-span|2>|<cwith|1|1|1|1|cell-halign|c>|<table|<row|<cell|GNU
   <TeXmacs>>|<cell|>>|<row|<cell|Versión>|<cell|<TeXmacs-version>>>|<row|<cell|Sistemas
   soportados>|<cell|La mayoría de los sistemas
-  GNU/<name|Linux>>>|<row|<cell|Copyright>|<cell|<copyright> 1998--2002 por
+  GNU/<name|Linux>>>|<row|<cell|Copyright>|<cell|<copyright> 1998--2024 por
   Joris van der Hoeven >>|<row|<cell|Licencia>|<cell|<hlink|Licencia Pública
   General GNU|$TEXMACS_PATH/LICENSE>>>|<row|<cell|Sitios
   web>|<cell|<tabular|<tformat|<twith|table-valign|T>|<cwith|1|-1|1|-1|cell-lsep|0spc>|<cwith|1|-1|1|-1|cell-rsep|0spc>|<table|<row|<cell|<verbatim|https://www.texmacs.org>>>|<row|<cell|<verbatim|http://www.gnu.org/software/texmacs>>>>>>>>|<row|<cell|Contacto>|<cell|<verbatim|contact@texmacs.org>>>|<row|<cell|Correo
@@ -42,4 +42,4 @@
   <\collection>
     <associate|language|spanish>
   </collection>
-</initial>
\ No newline at end of file
+</initial>
diff --git a/about/about-summary.fr.tm b/about/about-summary.fr.tm
index e2162a0..56aa828 100644
--- a/about/about-summary.fr.tm
+++ b/about/about-summary.fr.tm
@@ -8,7 +8,7 @@
   <big-table|<descriptive-table|<tformat|<cwith|1|1|1|1|cell-row-span|1>|<cwith|1|1|1|1|cell-col-span|2>|<cwith|1|1|1|1|cell-halign|c>|<table|<row|<cell|GNU
   <TeXmacs>>|<cell|>>|<row|<cell|Version installée>|<cell|<TeXmacs-version>>>|<row|<cell|Systèmes
   reconnus>|<cell|la plupart des systèmes
-  GNU/<name|Linux>>>|<row|<cell|Droits d'auteur>|<cell|<copyright> 1998--2003
+  GNU/<name|Linux>>>|<row|<cell|Droits d'auteur>|<cell|<copyright> 1998--2024
   de Joris van der Hoeven >>|<row|<cell|Licence>|<cell|<hlink|GNU General
   Public License|$TEXMACS_PATH/LICENSE>>>|<row|<cell|Sites
   web>|<cell|<tabular|<tformat|<twith|table-valign|T>|<cwith|1|-1|1|-1|cell-lsep|0spc>|<cwith|1|-1|1|-1|cell-rsep|0spc>|<table|<row|<cell|<verbatim|https://www.texmacs.org>>>|<row|<cell|<verbatim|http://www.gnu.org/software/texmacs>>>>>>>>|<row|<cell|Contact>|<cell|<verbatim|contact@texmacs.org>>>|<row|<cell|Adresse
@@ -33,4 +33,4 @@
     <associate|language|french>
     <associate|preamble|false>
   </collection>
-</initial>
\ No newline at end of file
+</initial>
diff --git a/about/about-summary.it.tm b/about/about-summary.it.tm
index b816d49..93f26ce 100644
--- a/about/about-summary.it.tm
+++ b/about/about-summary.it.tm
@@ -8,7 +8,7 @@
   <big-table|<descriptive-table|<tformat|<cwith|1|1|1|1|cell-row-span|1>|<cwith|1|1|1|1|cell-col-span|2>|<cwith|1|1|1|1|cell-halign|c>|<table|<row|<cell|GNU
   <TeXmacs>>|<cell|>>|<row|<cell|<localize|Version>>|<cell|<TeXmacs-version>>>|<row|<cell|Sistemi
   supportati>|<cell|Principalmente sistemi
-  GNU/<name|Linux>>>|<row|<cell|Copyright>|<cell|<copyright> 1998--2002 by
+  GNU/<name|Linux>>>|<row|<cell|Copyright>|<cell|<copyright> 1998\U2024 by
   Joris van der Hoeven >>|<row|<cell|Licenza>|<cell|<hlink|GNU General Public
   License|$TEXMACS_PATH/LICENSE>>>|<row|<cell|Siti
   web>|<cell|<tabular|<tformat|<twith|table-valign|T>|<cwith|1|-1|1|-1|cell-lsep|0spc>|<cwith|1|-1|1|-1|cell-rsep|0spc>|<table|<row|<cell|<verbatim|https://www.texmacs.org>>>|<row|<cell|<verbatim|http://www.gnu.org/software/texmacs>>>>>>>>|<row|<cell|Contatti>|<cell|<verbatim|contact@texmacs.org>>>|<row|<cell|Indirizzi>|<cell|<tabular|<tformat|<twith|table-valign|T>|<cwith|1|-1|1|-1|cell-lsep|0spc>|<cwith|1|-1|1|-1|cell-rsep|0spc>|<table|<row|<cell|<abbr|Dr.>
@@ -31,4 +31,4 @@
   <\collection>
     <associate|language|italian>
   </collection>
-</initial>
\ No newline at end of file
+</initial>