LearnBoost/stylus — Issue #452: @value is never "false"
Author: cwolves
Created: 2011-11-03 15:27:26+00:00
State: open

An update over the past month or so has broken this:

```
z-index 1 unless @z-index
```

And trying to figure out why:

```
foo typeof( @foo ) // string
foo @foo // foo: ;
foo '-' + @foo + '-' // -null-
```