(charset (symbol :tag "Charset") "\
The default charset to use in the group.")
+ (ignored-charsets
+ (choice :tag "Ignored charsets"
+ :value nil
+ (repeat (symbol))) "\
+List of charsets that should be ignored.
+
+When these charsets are used in the \"charset\" parameter, the
+default charset will be used instead.")
+
(highlight-words
(choice :tag "Highlight words"
:value nil