[racket-dev] adding preferences

nevermind, I see preferences:add-to-general-checkbox-panel in
drracket/private/main.rkt

On 11/01/2010 10:27 PM, Jon Rafkind wrote:
> I currently have a preference to enabling/disabling line numbers in the
> 'view' menu which is easy to set up in drracket/collects/main.rkt. A
> user asked me to add a checkbox they could select in
> edit->preferences->general which I see is controlled by
> framework/private/preferences.rkt but I can't seem to get a reference to
> the definitions text from there. I suppose I can make the preference set
> the 'drracket:show-line-numbers property but it would be nice if it
> could dynamically update the line numbers, much like 'view->show line
> numbers' currently does.
>
> Is there a way to get to the definitions text in those callbacks?
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