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-rw-r--r--fonts/pxtxalfa/tex/latex/pxtxalfa/tx-ds.sty21
1 files changed, 21 insertions, 0 deletions
diff --git a/fonts/pxtxalfa/tex/latex/pxtxalfa/tx-ds.sty b/fonts/pxtxalfa/tex/latex/pxtxalfa/tx-ds.sty
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index 0000000000..e50b8b90f3
--- /dev/null
+++ b/fonts/pxtxalfa/tex/latex/pxtxalfa/tx-ds.sty
@@ -0,0 +1,21 @@
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{tx-ds}[2021/10/15 v2 U/tx-ds]
+\RequirePackage{xkeyval}%
+\newcommand*{\txds@scale}{1}
+\DeclareOptionX{scale}{\renewcommand*{\txds@scale}{#1}}
+\DeclareOptionX{scaled}{\renewcommand*{\txds@scale}{#1}}
+\ExecuteOptionsX{scale}%
+\ProcessOptionsX\relax%
+
+\DeclareSymbolFont{TXDS}{OT1}{tx-ds}{m}{n}
+%\SetSymbolFont{TXDS}{bold}{OT1}{tx-ds}{b}{n}
+\DeclareFontSubstitution{OT1}{tx-ds}{m}{n}
+\DeclareSymbolFontAlphabet{\mathbb}{TXDS}
+
+%\DeclareMathAlphabet{\mathbb}{OT1}{tx-ds}{m}{n}
+\DeclareMathSymbol{\bbdotlessi}{\mathord}{TXDS}{16}
+\DeclareMathSymbol{\bbdotlessj}{\mathord}{TXDS}{17}
+\let\imathbb\bbdotlessi
+\let\jmathbb\bbdotlessj
+
+\endinput