[OS X TeX] Remarks about TeX on Leopard

Herbert Schulz herbs at wideopenwest.com
Sat Nov 3 14:16:22 CET 2007

On Nov 2, 2007, at 9:50 PM, Richard Koch wrote:

> For a long time, users have pointed out that TeXShop leaks memory  
> when a file is typeset. After typesetting many times, it may be  
> necessary to quit and restart the program.
> This leakage is deliberate. When Tiger was introduced, I discovered  
> that the program became sluggish after typesetting a large file.  
> Experiments showed that the sluggishness occurred when the system  
> released the old pdf data from memory. So I added code which kept  
> the old pdf data rather than disposing it, and the sluggishness  
> vanished. See
> 	TeXShop Help --> How do I configure TeXShop --> Hidden Preference  
> Items
> for details. TeXShop has a hidden preference to turn this "fix" off:
> 	defaults write TeXShop ReleaseDocumentClasses 2
> Recently, a few users reported that this command fixes the memory  
> leakage without introducing sluggishness on Leopard. Thus I  
> recommend that users type this command in Terminal (but ONLY if  
> they are running Leopard!).    Please let me know of any problems  
> this creates. If the command is issued again with a "1" rather than  
> a "2", you'll return to the current behavior.
> Dick Koch
> koch at math.uoregon.edu


I see that my TeXShop.plist file has ReleaseDocumentClasses set to 0  
(and don't remember how it got that way... Sigh). Is that meaningful  
and/or should I change it to 1 (under Tiger)?

Good Luck,

Herb Schulz
(herbs at wideopenwest.com)

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