Only use gnuplot syntax highlighting
Only use gnuplot syntax highlighting

We do not embed the language because commenting inside \addplot is done
with '%' and not '#'.  Related to
https://sourceforge.net/p/pgfplots/support-requests/23/

James-Yu/LaTeX-Workshop,James-Yu/LaTeX-Workshop,James-Yu/LaTeX-Workshop,James-Yu/LaTeX-Workshop,James-Yu/LaTeX-Workshop