Prefer `if` over `unless`

We use line numbers in other links in style.md.

On Tue, Nov 18, 2014 at 1:38 PM, Greg Lazarev <notifications@github.com>
wrote:

> In best-practices/README.md:
>
> >
> >  [Bundler binstubs]: https://github.com/sstephenson/rbenv/wiki/Understanding-binstubs
> > +[if]: /best-practices/samples/ruby.rb#L3
>
> What's the reasoning here? That the line numbers may change, the link
> won't get updated, thus we get an out-of-sync example? Is there a better
> way to link to a certain piece of code in the file?
>
> —
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> <https://github.com/thoughtbot/guides/pull/254/files#r20526876>.
>



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Gabe Berke-Williams
http://gabebw.com/