[texhax] Roman subscripts

Paul Wagner paul_spam at gmx.at
Fri Sep 10 11:36:26 CEST 2004

Hi TeXnicians,

I often need to type subscripts in math mode that are roman instead of
italic. To avoid having to do a \mathrm every time, I defined


so I can have roman subscripts with $X_{ff}$ and italic subscripts with

My question is: Since I have some experience in using TeX, but very little
experience in programming TeX, are there any disadvantages to this method?



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