Optional braces

[bearophile]

> And there are few more special cases where I'd like to see changes/improvements on (there are other improvements that I'd like to see, but they aren't special cases):
> 
> 3878 Arguments and attributes with the same name
> 4407 Catch wrong argument<->attribute assignments in methods
> 5187 Attribute hiding error or warning
> 5788 Return [] array
> 5807 Disallow mixed C/D style array declarations
> 6005 Type alias - variable name don't clash
> 6277 Disallow short floating point literals

Please remove 6277 from this short list, because it doesn't introduce one more special case, it removes two of them.

Bye,
bearophile