How to highlight (color/draw attention to) a particular snippet in Minted

Question

I'm currently doing some work on error messages in programming languages. As such, I'm showing faulty pieces of code, alongside the compiler-errors accompanying them.

I'm using minted for the code snippets, but ideally, in addition to normal syntax highlighting, I'd like to highlight the sections of the code at which the error is located, by underlining them, putting a red box around them, shading their background, etc.

Is this possible using Minted?

Answer 1

The minted documentation has an example using escapeinside. I’m just copying it here:

\begin{minted}[escapeinside=||]{py}
def f(x):
    y = x|\colorbox{green}{**}|2
    return y
\end{minted}

Highlights as

Answer 2

You can highlight certain lines with highlightlines={1,2-3,5-10}, e.g.

\begin{minted}[highlightlines={1,3-4,6-10}]{python}
def f(x):
    y = x ** 2
    return y

def f(x):
    y = x ** 2
    return y

def f(x):
    y = x ** 2
    return y
\end{minted}

You can change the color by using, say, highlightcolor=red. In general, quoting from the minted package documentation:

highlightcolor: Set the color used for highlightlines, using a predefined color name from color or xcolor, or a color defined via \definecolor