\begin_header
\textclass ctex-article
\begin_preamble
-% necessary to avoid problems with XeTeX
+% 如果没有这一句命令,XeTeX会出错,原因参见
+% http://bbs.ctex.org/viewthread.php?tid=60547
\DeclareRobustCommand\nobreakspace{\leavevmode\nobreak\ }
\end_preamble
\options UTF8,adobefonts
\font_osf false
\font_sf_scale 100
\font_tt_scale 100
-
\graphics default
\default_output_format pdf4
\output_sync 0