From 62f3109ec0fcb4a3309966bdcb9e4f307ff35dd2 Mon Sep 17 00:00:00 2001
From: Norbert Preining <norbert@preining.info>
Date: Sun, 4 Oct 2020 03:01:11 +0000
Subject: CTAN sync 202010040301

---
 macros/latex/contrib/semtex/semtex.pdf | Bin 61300 -> 63446 bytes
 macros/latex/contrib/semtex/semtex.sty |  39 ++++++++++++++++++++-------------
 macros/latex/contrib/semtex/semtex.tex |  20 +++++++++++------
 3 files changed, 37 insertions(+), 22 deletions(-)

(limited to 'macros/latex/contrib/semtex')

diff --git a/macros/latex/contrib/semtex/semtex.pdf b/macros/latex/contrib/semtex/semtex.pdf
index 6500750b39..3928388d96 100644
Binary files a/macros/latex/contrib/semtex/semtex.pdf and b/macros/latex/contrib/semtex/semtex.pdf differ
diff --git a/macros/latex/contrib/semtex/semtex.sty b/macros/latex/contrib/semtex/semtex.sty
index 28c9303f69..077cdb1983 100644
--- a/macros/latex/contrib/semtex/semtex.sty
+++ b/macros/latex/contrib/semtex/semtex.sty
@@ -1,5 +1,5 @@
 \RequirePackage{xparse}
-\ProvidesExplPackage{semtex}{2020/09/27}{0.44}{}
+\ProvidesExplPackage{semtex}{2020/10/03}{0.45}{}
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %																%
@@ -12,23 +12,32 @@
 
 % Bullets:
 
-\box_if_exist:NF \g__semantex_bullet_box
+\cs_new_protected:Npn\semantex_set_mathsurround_to_zero:
 {
-	\box_new:N \g__semantex_bullet_box
-	\hbox_set:Nn \g__semantex_bullet_box { $\cdot$ }
-	\box_scale:Nnn \g__semantex_bullet_box {1.2} {1.2}
-	\tl_set:Nn\g_semantex_bullet
-	{
-		\box_move_up:nn{-0.25ex}{\box_use:N \g__semantex_bullet_box}
-	}
-
-	\tl_set:Nn\g_semantex_double_bullet{\g_semantex_bullet \g_semantex_bullet}
-	
-	\tl_set_eq:NN\SemantexBullet \g_semantex_bullet
-	
-	\tl_set_eq:NN \SemantexDoubleBullet \g_semantex_double_bullet
+	 % This is equivalent to "\m@th"
+	\dim_set:Nn \mathsurround { 0pt }
 }
 
+\cs_new_protected:Npn\semantex_bullet:
+{
+	\mathord{\mathpalette\__semantex_bullet_auxiliary:Nn{0.5}}
+}
+
+\box_new:N \l__semantex_bullet_box
+
+\cs_new_protected:Npn\__semantex_bullet_auxiliary:Nn#1#2
+{
+	\hbox_set:Nn \l__semantex_bullet_box { $\semantex_set_mathsurround_to_zero: #1 \bullet$ }
+	\box_scale:Nnn \l__semantex_bullet_box { #2 } { #2 }
+	\vcenter{ \hbox:n { \box_use_drop:N \l__semantex_bullet_box } }
+}
+
+\cs_new_protected:Nn\semantex_double_bullet: {\semantex_bullet: \semantex_bullet:}
+
+\cs_set_eq:NN\SemantexBullet \semantex_bullet:
+
+\cs_set_eq:NN \SemantexDoubleBullet \semantex_double_bullet:
+
 % Parentheses:
 
 \cs_set:Npn\SemantexLeft { \mathopen{}\mathclose\bgroup\left }
diff --git a/macros/latex/contrib/semtex/semtex.tex b/macros/latex/contrib/semtex/semtex.tex
index e390c4ba23..67f8d548bf 100644
--- a/macros/latex/contrib/semtex/semtex.tex
+++ b/macros/latex/contrib/semtex/semtex.tex
@@ -38,7 +38,7 @@
 	
 \usepackage[nameinlink]{cleveref}
 
-\title{\texttt{semtex}: For stripped Seman\!\TeX\ documents (v0.44)}
+\title{\texttt{semtex}: For stripped Seman\!\TeX\ documents (v0.45)}
 \date{\today}
 \author{Sebastian Ørsted (\href{mailto:sorsted@gmail.com}{sorsted@gmail.com})}
 
@@ -58,7 +58,7 @@
 	basicstyle=\ttfamily\small,
 	commentstyle=\itshape\ttfamily\small,
 	alsoletter={\\},
-	escapechar=@,
+	%escapechar=@,
 	breaklines=true,
 	breakindent={0pt},
 	captionpos=t,
@@ -123,7 +123,8 @@ the macros it provides by macros from other packages.
 
 The package provides the commands \mylst!\SemantexBullet! and \mylst!\SemantexDoubleBullet!.
 These commands print bullets which are smaller (and prettier, in my opinion)
-than the standard \lstinline!\bullet! command from~\LaTeX:
+than the standard \lstinline!\bullet! command from~\LaTeX.
+They are (of course) based on code by egreg, see \url{tex.stackexchange.com/a/564506/19809}.
 \begin{LTXexample}
 $ H^{\SemantexBullet} $,
 $ H^{\SemantexDoubleBullet} $
@@ -132,12 +133,17 @@ $ H^{\SemantexDoubleBullet} $
 You can recreate them yourself as follows, rendering
 the package \pack{semtex} unnecessary for this purpose:
 \begin{lstlisting}
-\newcommand\SemantexBullet{%
-	\raisebox{-0.25ex}{\scalebox{1.2}{$\cdot$}}%
+\usepackage{graphicx}
+
+\makeatletter
+\DeclareRobustCommand\SemantexBullet{%
+  \mathord{\mathpalette\SemantexBullet@{0.5}}%
 }
-\newcommand\SemantexDoubleBullet{%
-	\SemantexBullet\SemantexBullet
+\newcommand\SemantexBullet@[2]{%
+  \vcenter{\hbox{\scalebox{#2}{$\m@th#1\bullet$}}}%
 }
+\DeclareRobustCommand\SemantexDoubleBullet{\SemantexBullet \SemantexBullet}
+\makeatother
 \end{lstlisting}
 	
 \chapter*{Replacements for \texorpdfstring{\textbackslash\texttt{left} and~\textbackslash\texttt{right}}{\left and \right}}
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