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Diffstat (limited to 'macros/unicodetex/latex/fontspec/fontspec-code-load.dtx')
-rw-r--r-- | macros/unicodetex/latex/fontspec/fontspec-code-load.dtx | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/macros/unicodetex/latex/fontspec/fontspec-code-load.dtx b/macros/unicodetex/latex/fontspec/fontspec-code-load.dtx new file mode 100644 index 0000000000..7d0501b89e --- /dev/null +++ b/macros/unicodetex/latex/fontspec/fontspec-code-load.dtx @@ -0,0 +1,72 @@ +%%^^A%% fontspec-code-load.dtx -- part of FONTSPEC <wspr.io/fontspec> +% +% \section{The \texttt{fontspec.sty} loading file} +% +% Before we begin, for the rest of the package we use the \texttt{@@} \textsf{expl3} +% module syntax with module name `\texttt{fontspec}'. +% \begin{macrocode} +%<@@=fontspec> +% \end{macrocode} +% The \texttt{fontspec.sty} file is simply set up to load the appropriate +% \texttt{fontspec-xetex.sty} or \texttt{fontspec-luatex.sty} file. +% This is performed by the following code. +% +% \begin{macrocode} +%<*load> +% \end{macrocode} +% +% \paragraph{\LuaLaTeX} +% \begin{macrocode} +\sys_if_engine_luatex:T + { + \RequirePackage{luaotfload} + \lua_now:e{require("fontspec")} + \RequirePackageWithOptions{fontspec-luatex} + \endinput + } +% \end{macrocode} +% +% \paragraph{\XeLaTeX} +% \begin{macrocode} +\sys_if_engine_xetex:T + { + \RequirePackageWithOptions{fontspec-xetex} + \endinput + } +% \end{macrocode} +% +% \paragraph{Other} +% If not one of the above, error and exit. +% \begin{macrocode} +\msg_new:nnn {fontspec} {cannot-use-pdftex} + { + The~ fontspec~ package~ requires~ either~ XeTeX~ or~ LuaTeX.\\\\ + You~ must~ change~ your~ typesetting~ engine~ to,~ e.g.,~ + "xelatex"~ or~ "lualatex" instead~ of~ "latex"~ or~ "pdflatex". + } +\msg_fatal:nn {fontspec} {cannot-use-pdftex} +% \end{macrocode} +% +% \paragraph{Closing} +% That's the end of the \texttt{fontspec.sty} file. +% \begin{macrocode} +\endinput +%</load> +% \end{macrocode} + +\endinput + +% /© +% ------------------------------------------------ +% The FONTSPEC package <wspr.io/fontspec> +% ------------------------------------------------ +% Copyright 2004-2020 Will Robertson, LPPL "maintainer" +% Copyright 2009-2015 Khaled Hosny +% Copyright 2013 Philipp Gesang +% Copyright 2013-2016 Joseph Wright +% ------------------------------------------------ +% This package is free software and may be redistributed and/or modified under +% the conditions of the LaTeX Project Public License, version 1.3c or higher +% (your choice): <http://www.latex-project.org/lppl/>. +% ------------------------------------------------ +% ©/ |