Dear all, I am using ConTeXt under MikTeX 2.2 , but when I used "texexec --make" to make format file, I got the following error message. Could anyone give me some advice to fix it? Thanks in advance. --------------------- loading : Context Support Macros / PDF ) (C:\CTeX\texmf\tex\context\base\supp-mpe.tex loading : MetaPost Special Extensions ! Undefined control sequence. l.537 \appendtoks ? ! Undefined control sequence. l.541 \appendtoks ? ! Missing $ inserted. <inserted text> $ <to be read again> \to l.546 \to \MPstopresources ? ! Missing { inserted. <to be read again> \par l.547 ? ) Runaway text? \par \def \invokeMPshadespecial {\doifdefined {mps:Sh:\currentMPspec ! File ended while scanning text of \MPstopresources. <inserted text> } l.87 \input supp-mpe \MPcmykcolorstrue \MPspotcolorstrue .... --------------------------------------------------- Regards, Zhenchuan Yang,Mr. Instiute of Microelectronics Peking University Email:zcyang@vmails.net ___________________ 22:51:51 2003-01-21 -------------------