Macro Language Reference > PIs > Maths > <?tcustr5>
  
<?tcustr5>
Description
Specifies the default rule width for scscscstyle text in Maths, which is used for 4th level sub- & superscripts and 5th level fractions.
 
This rule width setting also affects the gaps between joint sub- and superscripts, the bars over roots and the gap between the fraction bar and the numerator and denominator.
Syntax
<?tcustr5 rule5:um?>
<?tcustr5>
[no parameter]
Invoke the tcustr5 dialog box.
rule5
The width of the rule: to one decimal place.