((ascii korean-ksc5601) . euc-kr)
((ascii chinese-gb2312) . gb2312)
((ascii chinese-big5-1 chinese-big5-2) . big5)
+ ((ascii thai-tis620 composition) . tis-620)
((ascii latin-iso8859-1 greek-iso8859-7
latin-jisx0201 japanese-jisx0208-1978
chinese-gb2312 japanese-jisx0208