[OS X TeX] Default rule thickness

Oliver Buerschaper oliver.buerschaper at mpq.mpg.de
Wed Aug 6 09:34:08 CEST 2008

Dear wizards,

does someone know how to find out the current value of  
default_rule_thickness in a (La)TeX document? TeX uses it to determine  
the line width of fraction bars and roots in math mode …


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