%% Copyright (C) 2021 University of Exeter
%%               2021 University of Paris-Saclay
%%
%% License:
%%   This program can be redistributed and/or modified under the terms
%%   of the LaTeX Project Public License Distributed from CTAN
%%   archives in directory macros/latex/base/lppl.txt; either
%%   version 1.3c of the License, or (at your option) any later version.
%%   OR
%%   The 2-clause BSD-style license.
%%
%%   SPDX-License-Identifier: LPPL-1.3c+ OR BSD-2-Clause


\NeedsTeXFormat{LaTeX2e}\relax
\ProvidesPackage{DOF-amssymb}
  [<isadofltxversion>%
  Document-Type Support Framework for Isabelle (amssymb wrapper for lualatex/pdflatex).]

\usepackage{ifxetex,ifluatex}
\ifnum 0\ifxetex 1\fi\ifluatex 1\fi=0 % if pdftex
  \usepackage{amssymb}
\else % if luatex or xetex
  \usepackage{unicode-math}
  \usepackage{latexsym}
\fi