Alternative commandchars in fancyvrb

Question

In my Verbatim I need to specify colour for my code.

In this answer (fancyvrb alternate commandchars and \textcolor) the solution is to put this code in the preamble:

\newcommand*{\fvtextcolor}[1]{\textcolor{#1}{#2}}

and then use

\begin{Verbatim}[commandchars=&\[\]]
&fvtextcolor[blue][function]
\end{Verbatim}

My problem is the commandchars. \textcolor needs a pair of braces, but in my code I use all the pair of braces that is: () [] {}.

So is it possible to specify another pair of commandchars? Something like &fvtextcolor'blue''function' or &fvtextcolor"blue""function"?

Yes, but you need two different characters: [commandchars=\&\`\'] would use the backtick for the opening brace and the apostrophe for the closing brace. Any unused character is good. — egreg, May 19 '14 at 12:06
Sorry, almost any unused character. :(; I tried with " and ! and it seems to work. — egreg, May 19 '14 at 12:15
Thank you so much, it worked! Can you post it as an answer, so I can mark the question as solved? — Karsten Jancker, May 19 '14 at 12:17

score 7 · Accepted Answer · answered May 19 '14 at 12:25

In theory, any unused characters would do, but unfortunately for certain characters this conflicts with other parts of verbatim typesetting.

I've found out that

[commandchars=\&\"\!]

gives the expected result.

The characters that are likely not to work are

` < > , ' -

If you really need some of them, a workaround can be devised.

1 Answers1