[Rd] unbelievable parser bug (PR#956)

[Peter Dalgaard BSA]

maechler@stat.math.ethz.ch writes:

> >>>>> "FrL" == Friedrich Leisch <Friedrich.Leisch@ci.tuwien.ac.at> writes:
> 
> >>>>> On Tue, 29 May 2001 14:25:19 +0200 (MET DST),
> >>>>> maechler  (m) wrote:
> 
>     >> close to ``unbelievable'' but the following line is not parsed
>     >> correctly but gives a syntax error :
> 
>     >> x <- 1  ## A = 1
> 
> 
>     FrL> what you don't see is that the ``spaces'' before the comment are
>     FrL> no spaces: if I copy & paste the thing to a vi buffer I see:
> 
>     FrL> 	 x <- 1\xa0\xa0## A = 1
....
> 
> ;-)  
> 
> thank you, Fritz.   
> Now what about a "morale of the story" (<< probably a Germanism) ?
> 
> Don't cut and paste from e-mails any more, unless you have a really
> ASCII only e-mail program or editor into which you paste.
> Unfortunately, emacs doesn't seem to be among these anymore...  
> aaargghh...


Hmm. 0xa0 is M-SPC. These are fairly easily generated on non-English
keyboards: both Alt_L+SPC and AltGr+SPC on mine (and those three keys
are adjacent). It might make sense to force the parser to accept the
"metafied" whitespace characters?

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk)             FAX: (+45) 35327907
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