[texhax] Cases for italic correction

Lars Madsen daleif at imf.au.dk
Fri Jul 20 15:00:13 CEST 2012

Michael Barr wrote, On 2012-07-20 14:41:
> The following illustrated another use for italic correction:
> \documentclass{article}
> \begin{document}
> $d^3=d\/^3=d{}^3$
> \end{document}
> I am sorry, but you have really have to see the output to appreciate the 
> difference.  It illustrates a real defect in tex.  The mit version of d 
> leans well outside the "bounding box" in a way that almost other letter 
> does (I think f might be another) and when you add a superscript, it 
> crashes into that ascender.  I wrote a book that had several hundred 
> d^n, where n was either a number or a letter.  These were face 
> operators, for which the d was the only letter ever used.  I used a 
> macro called \dee that added a little extra space, but an italic 
> correction would have worked fine.  I didn't realize until I tested it 
> just now that a pair of braces would also have worked.
> Michael Barr

that is odd, I just ran your example I can see no difference at all (dvi 
on TL12, updated yesterday)



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