From AOLserver Wiki
- ns_formfieldcharset - Set the urlencoding to the charset given in the named form field if it exists
- ns_formfieldcharset form-field-name
- Examine the incoming form for a field with the given name, which is expected to contain the character set that the data is encoded. If this field is found, use that charset to set the urlencoding for the current connection.
% ns_formfieldcharset user_charset