For single unit symbols the auto place algorithm is not needed. (As long as the symbol is not rotated.)
But for multi unit symbols (with differently sized units) it is needed because one can not define the text field positions for each unit separately.
For single unit symbols the auto place algorithm is not needed. (As long as the symbol is not rotated.)
But for multi unit symbols (with differently sized units) it is needed because one can not define the text field positions for each unit separately.