On Sun, Aug 7, 2011 at 3:10 PM, Maria Gouskova <gousk...@gmail.com> wrote:
> On Sun, Aug 7, 2011 at 1:11 PM, Maria Gouskova <gousk...@gmail.com> wrote:
>> Dear LyX users,
>> I just upgraded MacTeX to the newest version (2011), and now I am
>> having some problems making pdf documents. First of all, if I use
>> XeTeX and non-TeX fonts, I get the following error on trying to view
>> the PDF:
>> LaTeX Error: Command \B already defined.
>> LaTeX Error: Command \T already defined.
>> \newcommand{\B}[2][0]{\Bk{#1}{0}{#2}}
>> Your command was ignored.
>> Type  I <command> <return>  to replace it with another command,
>> or  <return>  to continue without it.
>> Turning XeTeX off resolves this in a short test file, but I am also
>> unable to compile a longer document that has a bit more complicated
>> stuff in it at all--LyX basically freezes. Anyone else having problems
>> with new MacTeX? All of my LaTeX purist colleagues seem to be doing
>> okay, so I wonder if this is LyX-specific...
>> Maria
> P.S.--I reverted to MacTeX 2008, my previous installation, and the
> error no longer appears. So problem solved for the time
> being--although I would still be curious to know why this is
> happening.

If you haven't already done so, you might try switching back to MacTeX
2011 and using TeX LIve Utility.app to update it to the most recent


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