Today, I write gnuplot scripts to generate some figure for my paper. 

set xtics ("Home_Page" 1)

I found that underline is not produced as I expected.   I add a "\" before "_" like this,

set xtics ("Home\_Page" 1)

but it still doesn't work.  Not found any glue on google on this problem.  I add another "\" and have a try.

set xtics ("Home\\_Page" 1)

It works! :)

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