L20n/Features/Macro attributes
From MozillaWiki
goals
Store additional data about macros, or for macros to use.
example
<plural(n) {n == ~:num ? 'one' : 'many'} num: 1>
status
- pike - ?
- gandalf - remove (We currently allow this according to our grammar, but I'm not sure if there's a goal in it.)
- stas - remove