zbraniecki/l20n — Issue #14: l20n grammar: values in entities should be optional
Author: fabi1cazenave
Created: 2012-02-05 13:20:49+00:00
State: open

(nit) the current l20n grammar suggests that all entities should have a value:
```entity : '<' ID index? WS+ value attributes? WS? '>' ;```

but for some cases, values are not needed. I think the grammar should state this:
```entity : '<' ID index? WS+ value? attributes? WS? '>' ;```