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Re: Bizarre phenomenon

  • To: mathgroup at
  • Subject: [mg43930] Re: [mg43925] Bizarre phenomenon
  • From: Michael Williams <williams at>
  • Date: Mon, 13 Oct 2003 04:04:33 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

Hi Steve,  

Unfortunately, I have nothing constructive to offer, other than to assure you that you are
not alone.  It doesn't happen all that often to my files, but it does occur.  I would certainly
like to hear any theories as to how these spurious characters are introduced into the text.

I'm using 4.2 on OSX.  (Haven't used 5.0 enough (because of Export bugs) to see it occur

Virginia Tech

On  10/12/03,  stevebg at (Steve Gray)  said:

>   I edited, ran, and saved a file "Separate-New.nb" containing
>the following code segment.
>nn = 5;
>ptab = {0, 0, 0, 0};
>qtab = {3, 4, 4, 3};
>rtab = {0, 2, 3, 4};
>stab = {3, 2, 3, 1};  
>   This code worked. But when I closed Mathematica, restarted it, and
>opened a supporting file and then Separate-New.nb, the word "qloop"
>mysteriously had something almost  invisible between the q and the l.
>The same thing happened in a very similar line below this one, but not
>on a third very similar line.. These three function names are in
>boldface and highlighted in green. The only visible symptom on the
>screen is a larger than usual "space" on at least one side of the "l"
>or maybe both, but the cursor steps over it normally and does not
>indicate an actual  space character on either side. When I erase the
>word qloop and retype it, everything immediately works.
>   I have this phenomenon happen almost regularly. I posted a
>question about it months ago but no one answered. I am 98% sure that
>the "space" was not there when I saved the file.
>   Any tips? Thank you.

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