




 
If your buffer contains a 
cl:extended-char
 
char
 then Latin-1 and other encodings which support only 
cl:base-char
 are not appropriate. Attempts to save the buffer using such external formats will signal an error '
char
 is not of type BASE-CHAR'. Set the external format to one which includes 
char
, or delete 
char
 from the buffer before saving.