[R] substitution of the ASCII character "squared" AKA "^2" AKA (alt+0178) with a tractable one

[ottorino]

Il giorno mar, 10/04/2012 alle 09.54 -0400, David Winsemius ha scritto:
> Perhaps, modulo encoding issues I'm not expert in, one more
> backslash  
> than you tried:
> 
>  > gsub( "\\\xb2" , "2",
> "(MPa)\t(mm3)\t(nM)\t(mm3/g)\t(mm3/g)\t(%)\t(m 
> \xb2/g)\t")
> [1] "(MPa)\t(mm3)\t(nM)\t(mm3/g)\t(mm3/g)\t(%)\t(m2/g)\t" 

Invaluable help, David.
But now I'm REALLY discouraged from the solution !! :-(
THANKS A LOT !! 

8rino