putting a bar over a letter in a figure using LaTex in text mode

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Hej, I would like to draw a letter with a bar over it in the ylabel using text mode (I don't like the font style in math mode). I'm using
but it produces
Warning: Unable to interpret TeX string "\={foo}"
Why? :(
Thanks in advance!

Answers (1)

Claudio on 2 May 2011
my bad, the error is actually
Warning: Unable to interpret LaTeX string "\={foo}"
still having the problem with the bar :(


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