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index e3ddefda0a..31f05f7dfa 100644
--- a/graphics/pgf/contrib/pgf-periodictable/README
+++ b/graphics/pgf/contrib/pgf-periodictable/README
@@ -1,25 +1,39 @@
-This is pgf-PeriodicTable, version 2.0.1 (2023/05/29).
+This is pgf-PeriodicTable, version 2.1.0 (2024/02/14).
The purpose of this package is to provide the Periodic Table of Elements in
a simple way. It relies on pgf/TikZ to offer a full or partial periodic table with
a variety of options and displaying the desired data for all the 118
-elements. It can be done in six languages: English, French, German,
-Portuguese (from Portugal and from Brazil), Spanish and Italian.
+elements. It can be done in different languages: English, French, German,
+Portuguese (from Portugal and from Brazil), Spanish, Italian and translations
+by user contributions (currently Dutch).
____________________________________________________________
Just typeset \pgfPT to get a Periodic Table of Elements or \pgfPT[<options list>]
to do it at your custom way.
____________________________________________________________
-** Requirements: TikZ package.
+** Requirements: TikZ and fontenc (pdfLaTeX) or fontspec (XeLaTeX or LuaLaTeX) packages.
** Installation: unpack everything in a directory in the TeX search path and refresh the TeX database.
** Usage: just place \usepackage{pgf-PeriodicTable} in the preamble.
** Contact the author: Hugo Gomes (hugo.parelho@gmail.com)
** Licence: released under the LaTeX Project Public License v1.3 or later, see http://www.latex-project.org/lppl.txt
-
+____________________________________________________________
____________________________________________________________
Major changes:
+
+*** v2.1.0 (14/02/2024) ***
+New options for package loading:
+- numerals (supporting Devanagari or Mandarin numerals);
+- userlang (supporting a user defined language, currently only Dutch translation, provided by Wim De Borggraeve).
+New commands:
+- \pgfPTdvnfont (provides font selection for use with Devanagari);
+- \pgfPTzhfont (provides font selection for use with Mandarin numerals);
+- \pgfPTzhnumber (to enable/disable showing the atomic number, period or group number in Mandarin numerals).
+Fixed wrong interaction with fontspec and babel packages: font selection schemes and \babelfont usage now work as expected.
+Fixed incorrect capitalization of some elements in German.
+Correction of the title in Spanish.
+
*** v2.0.1 (29/05/2023) ***
Capitalized element names (in German) and improved German language after suggestions made by Ole Schwen