[Rd] unbelievable parser bug (PR#956)

[maechler@stat.math.ethz.ch]

>>>>> "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

    FrL> ...

    FrL> I got the idea from sequentially deleting characters:

    >> x <- 1  ## A = 1
    FrL> Error: syntax error
    >> x <- 1  # A = 1
    FrL> Error: syntax error
    >> x <- 1  # A
    FrL> Error: syntax error
    >> x <- 1  #
    FrL> Error: syntax error
    >> x <- 1 
    FrL> Error: syntax error


    FrL> especially the last one look nice IMO ...

;-)  

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...

Martin

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