Macro Language Reference > PIs > Text > <?tkfnt4>
  
<?tkfnt4>
Description
Specifies a percentage by which special kerning, i.e. that defined in group number 4 of a font's built in kerning table, is gauged to make it looser or tighter.
 
Example 527. Group 4 kern
Group 4 kerns are used in PTC ALD SmartFonts to deactivate kerning for non-lining figures and all combinations with figures and other characters, allowing figures to align vertically in tables:
tkfnt4 100
Syntax
<?tkfnt4 kern font percent:n?>
<?tkfnt4>
[no parameter]
Invoke the Kern percent - font (special) dialog box.
kern font percent
1..99
Loosen kerning.
100..200
Tighten kerning.