[Rd] dev.interactive() changes

[Deepayan Sarkar]

On 5/5/07, Prof Brian Ripley <ripley at stats.ox.ac.uk> wrote:

[...]

> You meam as in
>
>      o  dev.interactive() regards devices with the displaylist enabled
>         as interactive, and packages can register the names of their
>         devices as interactive via deviceIsInteractive().
>
> ?

Quick follow up: the displaylist based detection is working well, but
deviceIsInteractive() gives me an error:

> deviceIsInteractive("QT")
Error in deviceIsInteractive("QT") : cannot change value of locked
binding for '.known_interactive.devices'
> sessionInfo()
R version 2.6.0 Under development (unstable) (2007-05-21 r41658)
i686-pc-linux-gnu

This happens interactively as well as in package loading code.

-Deepayan