AutoCAD 2010 :: Multiline Attributes Won't Hold Text Formatting After BLOCKEDIT / SAVE

Problem: Create a dynamic block with visibility, use a Multiline Attributes for text entry in to the block. I create multiple lines of text when editing the block in model space. Either with gripping the txt window width or use "Enter" to define multiple lines.... I proceed to edit the block slightly and when I close and save changes......All ML Attributes default to single line text. In turn i have to re-edit all my text.

Bugs like this are extremely painful. No rhyme or reason to them... Looking for a workaround other than using separate attributes for each line of text.