[OS X TeX] TeX is TeX?

Alessandro Languasco languasc at gmail.com
Fri Apr 10 20:33:48 CEST 2009

Concerning diff utilities, I think that the "compare two front  
command in Textwrangler is quite a useful one.


On Apr 10, 2009, at 7:30 PM, Herbert Schulz wrote:

> On Apr 10, 2009, at 12:02 PM, George Gratzer wrote:
>> I am writing a joint paper with HL. He uses a standard Linux TeX.
>> I send him the source, he makes changes, mails back the source and  
>> the pdf. I use Adobe Acrobat to compare his pdf with mine, to find  
>> out the changes made.
>> Result: everything changed.
>> So I typeset his new source and then make the comparison, and I get  
>> my answer.
>> How come his pdf is seen by Acrobat as so different. To my eye,  
>> what is marked up as different looks the same.
>> We both use TeX out of the box, same font (CM), etc.
>> Puzzling.
>> GG
> Howdy,
> ARe you both using pdflatex or TeX and DVI? What version of pdftex  
> are you both using? If you are using MacTeX 2008, did you update  
> your pdftex (and dvips) with the bug fixed versions available at <http://www.tug.org/mactex/fontcache/ 
> >? That could produce some differences in the internal pdf file.
> Have you tried to use latexdiff on the two source files? I have a  
> Drop Script that runs latexdiff on the two source files producing a  
> new source file that shows the differences when compiled.  
> Unfortunately the two files must be in the same folder so they must  
> have different names. You can get the Drop Script as  
> Droplatexdiff.zip at <http://homepage.mac.com/herbs2>.
> Good Luck,
> Herb Schulz
> (herbs at wideopenwest dot com)
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