6 files changed, 13 insertions, 7 deletions
diff --git a/Master/texmf-dist/doc/latex/scsnowman/LICENSE b/Master/texmf-dist/doc/latex/scsnowman/LICENSE
index 0d1ab853604..288ccd21b74 100644
--- a/Master/texmf-dist/doc/latex/scsnowman/LICENSE
+++ b/Master/texmf-dist/doc/latex/scsnowman/LICENSE
@@ -1,6 +1,6 @@
 (The BSD 2-Clause License)
 
-Copyright (c) 2015-2018 Hironobu Yamashita
+Copyright (c) 2015-2023 Hironobu Yamashita
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/Master/texmf-dist/doc/latex/scsnowman/README.md b/Master/texmf-dist/doc/latex/scsnowman/README.md
index af14c4af467..1a84d7597a6 100644
--- a/Master/texmf-dist/doc/latex/scsnowman/README.md
+++ b/Master/texmf-dist/doc/latex/scsnowman/README.md
@@ -27,5 +27,5 @@ Then, execute mktexlsr.
 This package is distributed under the BSD 2-Clause License.
 See [LICENSE](./LICENSE).
 
-Copyright (c) 2015-2018 Hironobu Yamashita
+Copyright (c) 2015-2023 Hironobu Yamashita
 http://acetaminophen.hatenablog.com/
diff --git a/Master/texmf-dist/doc/latex/scsnowman/scsnowman.pdf b/Master/texmf-dist/doc/latex/scsnowman/scsnowman.pdf
index 8a4b2475505..0ee4f8f2bee 100644
--- a/Master/texmf-dist/doc/latex/scsnowman/scsnowman.pdf
+++ b/Master/texmf-dist/doc/latex/scsnowman/scsnowman.pdf
diff --git a/Master/texmf-dist/doc/latex/scsnowman/scsnowman.tex b/Master/texmf-dist/doc/latex/scsnowman/scsnowman.tex
index f58388af28a..eea88992b33 100644
--- a/Master/texmf-dist/doc/latex/scsnowman/scsnowman.tex
+++ b/Master/texmf-dist/doc/latex/scsnowman/scsnowman.tex
@@ -1,6 +1,6 @@
 %%
 %% This is the documentation of scsnowman package.
-%% (Last Update: 2023/02/14)
+%% (Last Update: 2023/02/23)
 %% Maintained on GitHub:
 %% https://github.com/aminophen/scsnowman
 %%
@@ -455,6 +455,7 @@ Version 1.2d & 2018-06-07 & Add new keys \Lopt{nose}, \Lopt{note} \\
 Version 1.2e & 2019-08-12 & Fix a bug of possible infinite loop \\
 Version 1.3a & 2020-10-10 & Update for new \LaTeX \\
 Version 1.3b & 2023-02-14 & Fix a bug of up\TeX\ engine detection \\
+Version 1.3c & 2023-02-23 & Another bug fix of engine detection \\
 \end{tabular}
 \end{table}
 
diff --git a/Master/texmf-dist/tex/latex/scsnowman/scsnowman.sty b/Master/texmf-dist/tex/latex/scsnowman/scsnowman.sty
index c1cdf1c83a6..4c28a1c9428 100644
--- a/Master/texmf-dist/tex/latex/scsnowman/scsnowman.sty
+++ b/Master/texmf-dist/tex/latex/scsnowman/scsnowman.sty
@@ -10,7 +10,7 @@
 %%   Twitter :  @aminophen
 %%
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{scsnowman}[2023/02/14 v1.3b Snowman variants using TikZ]
+\ProvidesPackage{scsnowman}[2023/02/23 v1.3c Snowman variants using TikZ]
 \DeclareOption*{\PassOptionsToPackage{\CurrentOption}{sctkzsym-base}}
 \ProcessOptions\relax
 \RequirePackage{sctkzsym-base}[2017/08/08]
@@ -176,11 +176,16 @@
 \DeclareTextCommand{\scsnowman@hy@eight}{PU}{\9046\003}% U+2603
 \DeclareTextCommand{\scsnowman@hy@eight}{PD1}{8}%fallback
 
-\ifnum \ifx\ucs\@undefined\z@\else\ucs"3000 \fi ="3000 %upTeX
+% upTeX since v0.10 has both \kchardef and \ucs.
+% N.B. TL2023 uses e-upTeX (euc/sjis) as a default engine of pLaTeX.
+% N.B. luatexja has \ucs, but neither \kchardef nor \kansujichar.
+\ifx\kchardef\@undefined \else
+  \ifnum\jis"2121="3000 %upTeX
   \begingroup
     \kansujichar8="2603
     \xdef\scsnowman@hy@eight{\kansuji8}
   \endgroup
+  \fi
 \fi
 
 %------------------------------- ZR something END
diff --git a/Master/texmf-dist/tex/latex/scsnowman/sctkzsym-base.sty b/Master/texmf-dist/tex/latex/scsnowman/sctkzsym-base.sty
index 55099021aca..2ce06fb0cd0 100644
--- a/Master/texmf-dist/tex/latex/scsnowman/sctkzsym-base.sty
+++ b/Master/texmf-dist/tex/latex/scsnowman/sctkzsym-base.sty
@@ -3,7 +3,7 @@
 %% Maintained on GitHub:
 %% https://github.com/aminophen/scsnowman
 %%
-%% Copyright (c) 2015-2020 Hironobu Yamashita
+%% Copyright (c) 2015-2023 Hironobu Yamashita
 %%   Email   :  h.y.acetaminophen[a t]gmail.com
 %%   GitHub  :  https://github.com/aminophen
 %%   Blog    :  http://acetaminophen.hatenablog.com/
@@ -11,7 +11,7 @@
 %%
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesPackage{sctkzsym-base}
-  [2023/02/14 v1.3b Base for emoji variants using TikZ]
+  [2023/02/23 v1.3c Base for emoji variants using TikZ]
 \RequirePackage{tikz}% pgfutil-latex.def requires everyshi
 \RequirePackage{keyval}
 %