Clarifies Integer#digits radix mechanics
Clarifies Integer#digits radix mechanics

Integer#digits takes an optional radix. It calls to_int on the radix,
that is why decimals are allowed.  This clarifies intent rather than
implying that it creates base-2.5 digits. :)

eregon/rubyspec,ruby/rubyspec,ruby/spec,nobu/rubyspec,ruby/rubyspec,sgarciac/spec,sgarciac/spec,nobu/rubyspec,nobu/rubyspec,eregon/rubyspec,ruby/spec,eregon/rubyspec,sgarciac/spec,ruby/spec