Ensure String#byteslice normalizes indices by byte length, not character length.
Ensure String#byteslice normalizes indices by byte length, not character length.

kachick/rubyspec,sgarciac/spec,ruby/rubyspec,sgarciac/spec,eregon/rubyspec,wied03/rubyspec,wied03/rubyspec,ruby/spec,wied03/rubyspec,ruby/rubyspec,ruby/spec,nobu/rubyspec,eregon/rubyspec,nobu/rubyspec,sgarciac/spec,kachick/rubyspec,eregon/rubyspec,kachick/rubyspec,ruby/spec,nobu/rubyspec