rem: identify_txt_header(const uint8 *data, int32 nread,
add: identify_txt_header(uint8 *data, int32 nread,
context: identify_txt_header(const uint8 *data, int32 nread,	BPositionIO *inSource, translator_info *outInfo, uint32 outType){	uint8 ch;	for (int32 i = 0; i < nread; i++) {		ch = data[i];		// if any null characters or		// control characters (other than a few)		// are found, abort, as the data is		// probably not plain text		if (ch < 32 && ch != '\n' &&			ch != '\r' && ch != '\t' &&			ch != '\f')			return B_NO_TRANSLATOR;	}	// return information about the data in the stream	outInfo->type = B_TRANSLATOR_TEXT;	outInfo->group = B_TRANSLATOR_TEXT;	outInfo->quality = TEXT_IN_QUALITY;	outInfo->capability = TEXT_IN_CAPABILITY;	strcpy(outInfo->name, "Plain text file");	strcpy(outInfo->MIME, "text/plain");		return B_OK;}