Additional text with special characters
A special character is generated by a sequence of 2 characters.
 [d         diameter sign
 [g         degree sign (angle)
 [+         + - Signs
 ['         double quote (")
 [/         Superscript
 [\         Subscript
 [n         new line (return, CR)
 [%         Is replaced by the standard text. If the text does not include [%,
        the default text provided throughout is inserted.
 [-         no standard text.
 [[         a square bracket "["
 [0 to [9   only N=DIM3 and N=LDRP: Number of decimal places of the dimensions
         (must be at the beginning of the text block)
 [V20]      to expand a numeric variable (V20 in the example)

Example:
“[+ 0.2 "




Dimension arrows 
are defined by specifying a number with 2 digits;
one digit for each of the two dimension arrows;
No indication or -1: create both arrows automatically.

 0        no dimension arrow;
 1   <    left arrow
 2   >    right arrow
 3   /    slash
 4   > <  arrow right and arrow left

Example:
"12"   left arrow  and right arrow




Extension lines
are defined by specifying a number with 2 digits;
one digit for each of the two extension lines;
 0 = no guide,
 1 = line
Default is 11 (two lines)