creo4 config.pro option documentation for: SAVE_DRAWING_PICTURE_FILE 
offset_line_def_font
Category: Assembly Process
Description: Specifies the font in which offset lines are displayed in drawings.
Values:
Default Values:
ebWorks_Number" style="width: 18pt">
no - Does not embed or save the drawing as a picture file.
Embed* - Embeds a picture file inside a drawing for preview purposes.
Export - Saves a drawing file as a picture file in the current working directory when saving a drawing.
Both - Does both embed and export.