[OS X TeX] Suspicion of TeXShop bug

Herbert Schulz herbs at wideopenwest.com
Tue Nov 29 02:21:08 CET 2005

On Nov 28, 2005, at 7:04 PM, Ernesto Trajano de Lima wrote:

> I think I may have spotted the problem. And it may have something  
> to do with the undo manager (cmd+z) and the save function (cmd+s).  
> First, let me tell you that I could also reproduce it using  
> TextEdit. So, I think the bug may be Apple's fault! ;-) Well, the  
> steps to reproduce it are the following:
> 1- Open a document with TeXShop.
> 2- Write something and save the document (cmd+s).
> 3- Typeset the document. Your changes are visible in the preview  
> window.
> 4- Now, undo what you wrote (cmd+z). The black dot should appear in  
> the close button (the red one).
> 5- Start writing anything. The black dot will disappear and, for  
> the system, the document has not changed at all.
> 6- Typeset again. Your changes **won't** be visible in the preview  
> window.
> This is really a serious bug! If, after step 6, you close the  
> document without saving it, all data you've typed will be lost. The  
> system thinks the document hasn't changed at all and will close it  
> without asking you to save it before closing (as one would expect).
> There is, however, one gotcha: if you use, on step 5, after writing  
> something, one of the keyboard's arrow keys *AND* start writing  
> again, the black dot will reappear in the red button and everything  
> will be ok (i.e, TeXShop will save the document before typesetting  
> and you'll see your changes, and, fi you close the document, it  
> will ask you to save before closing).
> My configuration is: iBook G4, Mac OS X 10.4.4, TeXShop version 2  
> (2.03), TextEdit v. 1.20 (220).
> FYI, I'm also posting this bug on Apple's bug reporting system.  
> Hope they'll fix it ASAP!
> P.S: I've added a link to this thread to the bug report (<http:// 
> tug.org/pipermail/macostex-archives/2005-November/018945.html>)  
> and, of course, gave credit to Bruno Voisin for noticing the bug!
> Regards,
> Ernesto.


That's amazing! You've really found a good one!

Good Luck,

Herb Schulz
(herbs at wideopenwest.com)

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