Upper and Lower case reversed in MTEXT

[Anonymous]

...and NO, ALLCAPS was NOT on, I checked.  In MTEXT, I was getting all caps with caps lock off, and lower case with caps lock on, or with shift key.  I have no idea why.  I had to close my drawing, without saving my work, and re-open it to fix it.  

Any idea what key combination I hit accidentally, and how to reverse it?

This is AutoCAD 2013, but that wasn't an option in the header.

[alex101000]

Does this happen only in MTEXT?
In single-line text also?
In other programs, NOTEPAD, for example?

Use any input management software, PutnoSwitcher, for example ?

[Anonymous]

It definitely occurred in MTEXT.

I did not try DTEXT, so I do not know if it  was happening there.

It did not affect WORD, but I did not try NOTEPAD.

There is no input management software that I know of, but this is run off the company license, and I have no idea how it is configured.

[pendean · Accepted solution]

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@Anonymous wrote:

I had to close my drawing, without saving my work, and re-open it to fix it.  

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System gremlins: they are gone now. Too weird for anyone to replicate on purpose unless you can and explain how we can. Just let it go.

AutoCAD2013 is not supported in Win10 if that is where you are now and may be a contributing factor https://knowledge.autodesk.com/support/autocad/learn-explore/caas/sfdcarticles/sfdcarticles/Windows-10-support-for-Autodesk-products.html

[alex101000]

TEXTALLCAPS set to 0.

or

At MTEXT editor right click, check ALL CAPS

[Anonymous]

Thanks, but as I said in my original post, ALLCAPS was NOT checked, and TEXTALLCAPS was set to "0", and I was still getting the reversed caps/lowercase.