Например вставка перевода строки:

<field 
	name="form_fields"
	type="textarea" 
	filter="raw"
	class="inputbox"  
	default="text~Ваше имя~1~~45%~45%&#13;&#10;email~Ваш E-meil~1~45%~45%" 
	rows="10" 
	cols="60"
	label="MOD_FORM_FIELDS_FORM_MOD_SUF" 
	description="MOD_FORM_FIELDS_FORM_MOD_SUF_DESC" />