On Mon, 11 Aug 2014, Günter Kolousek wrote:

>
> I think there is a bug in the (latest) beta that was not there earlier
> this year. In particular, it worked (and still works) in the version
>
>  current version: 2014.03.19 23:11
>
> but it show *no* line numbers at all in the (latest) beta:
>
>  current version: 2014.07.30 10:31
>
> A minimal example follows:
>
> \usemodule[vim]
>
> \setupvimtyping[%
>    numbering=yes,%
>    numberdistance=2em]
> \definevimtyping[cpp][syntax=cpp]
>
> \starttext
> \startcpp
> #include <iostream>
>
> int main() {
>    std::cout << "Hello, world!" << std::endl;
> }
> \stopcpp
> \stoptext
>
> Sadly, I'm not a ConTeXt nor a lua expert so maybe anybody can help?

A quick work around is to add

   numberlocation=left

in your setup. For example:

\usemodule[vim]

\setupvimtyping
   [
     numbering=yes,
     numberdistance=1em,
     numberlocation=left,
   ]

\definevimtyping[cpp][syntax=cpp]

\starttext
\startcpp
#include <iostream>

int main() {
     std::cout << "Hello, world!" << std::endl;
}
\stopcpp
\stoptext

numberlocation=left is the default anyways, so I don't know why the bug 
occurs.

Aditya