doug929 shared this with us in microsoft.public.excel.programming:

I work with html files I bring into Excel and run macros and such.
Once in a while I notice this little icon sitting there with a
slanted 'J'. What is it, do I need it, and how do I avoid getting
them? Thanks you guys.

I guess it's not Java but JavaScript.
But please, give more details if you can.

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Amedee Van Gasse using XanaNews 1.17.3.1
If it has an "X" in the name, it must be Linux?

How To Ask Questions The Smart Way
http://www.catb.org/~esr/faqs/smart-questions.html
How to Report Bugs Effectively
http://www.chiark.greenend.org.uk/~sgtatham/bugs.html
Only ask questions with yes/no answers if you want "yes" or "no" as the
answer.
http://homepages.tesco.net/~J.deBoyn...-with-yes-or-n
o-answers.html