If you're going to break lines apart like that, you need to do more than insert the continuation underscore - you need:
Code:
wrd = "030100 FILL, DECLARE, GLOBAL, DECIMAL, LIST, \n 'zzz-NUM', 'yyy-NUM' \n," & _
"'Text1', 'Text2', 'Text3'," & _
"'Text4', 'DESC1', 'DESC2', 'DESC3'," & _
"'DESC4'"