[OS X TeX] Bug(?) in matrix panel?

[Nitecki, Zbigniew H.]

> On May 2, 2020, at 20:11, Herbert Schulz <herbs at wideopenwest.com> wrote:
> 
> 
> 
>> On May 2, 2020, at 6:58 PM, Nitecki, Zbigniew H. <Zbigniew.Nitecki at tufts.edu> wrote:
>> 
>> I’m using the Editor/Front End that comes with TeXShop.  I kind of suspect my question may have been a red herring—I noticed at one stage (after writing my email) as I was meticulously rewriting every matrix expression, that it is possible that one of them had \right[ instead of \right]—it’s hard to tell
>> with my eyesight.  But that could be what happened.  I’ll return with the question (and better details) if I encounter this again.
>> Thanks for  responding.
>> 
>> Z
> 
> Howdy,
> 
> \right[ is a perfectly legitimate command and argument but two \right's in a row with no intermediate \left is a problem.
Is that still a problem if they use different delimiters (say left[… \left( …\right)…\right]  —that is, nesting is problematic?
Z
> 
> Good Luck,
> 
> Herb Schulz
> (herbs at wideopenwest dot com)
> 
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