R-alpha: 1:n is not integer

[Ross Ihaka]

Martin Maechler writes:
 > 
 > This is from Snews of yesterday 
 > 
 > Snews> but the : operator creates integers as in
 > Snews> 
 > Snews> > is.integer(1:10)
 > Snews> [1] T
 > Snews> 
 > Snews> and even in
 > Snews> 
 > Snews> > is.integer(1:1)
 > Snews> [1] T
 > 
 > which reminds me of bug report  I had sent a while ago,
 > I think in pre-alpha times:
 > 
 >  MM>  In R,  1:n is   double (aka 'real') and not integer.

Is this a bug or feature.
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