irb. [ruby-dev:39243]
* sprintf.c (rb_f_sprintf): sign bit extension should not be done
if FPLUS flag is specified. [ruby-list:39224]
* sprintf.c (rb_f_sprintf): do not prepend dots for negative
numbers if FZERO is specified. [ruby-dev:39218]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5793 b2dd03c8-39d4-4d8f-98ff-823fe69b080e