numeric
An indication of whether entities using this textstyle are to be drawn in outline.
If this value is 0 (the default when undefined), then text is displayed normally. Other values have the following meaning:
Value  | 
Outer color  | 
Inner color  | 
1  | 
Text color  | 
White (or black if text color is white)  | 
2  | 
Text color  | 
Black (or white if text color is black)  | 
3  | 
White (or black if text color is white)  | 
Text color  | 
4  | 
Black (or white if text color is black)  | 
Text color  | 
5  | 
Text color  | 
Transparent  | 
This attribute only has relevance for textstyles which utilize system fonts, i.e. TrueType on Windows systems, X fonts on Unix systems.