- << "\\newif\\ifxetex\n"
- << "\\expandafter\\ifx\\csname XeTeXrevision\\endcsname\\relax\n"
- << " \\xetexfalse\n"
- << "\\else\n"
- << " \\xetextrue\n"
- << "\\fi\n"
- << "\\newif\\ifpdf\n"
- << "\\ifx\\pdfoutput\\undefined\n"
- << "\\else\\ifx\\pdfoutput\\relax\n"
- << "\\else\\ifnum0=\\pdfoutput\n"
- << "\\else\\pdftrue\\fi\\fi\\fi\n"
- << "\\ifxetex\n"
- << " \\usepackage[active,delayed,tightpage,showlabels,lyx,xetex]{preview}\n"
- << "\\else\n"
- << "\\ifpdf\n"
- << " \\usepackage[active,delayed,tightpage,showlabels,lyx,pdftex]{preview}\n"
- << "\\else\n"
- << " \\usepackage[active,delayed,showlabels,lyx,dvips]{preview}\n"
- << "\\fi\n"
- << "\\fi\n"
+ << "\\usepackage[active,delayed,showlabels,lyx]{preview}\n"