creo6 config.pro option documentation for: DXF_OUT_STROKE_TEXT 
dxf_out_stroke_text
none
*
, special
, all
Controls text stroking during the export of text characters.
none
- No text is stroked. All text is exported to DXF based on its font and character coding.
special
- Only special.fnt characters are stroked. All other characters are exported based on their font and character coding.
all
- All text is stroked.