merges r20355 from trunk into ruby_1_9_1.
strftime.c (rb_strftime): should not swallow incomplete formatter, e.g. "%E". [ruby-dev:37170] fix: #787
strftime.c (rb_strftime): clear flags before processing unknown formatter, e.g. "%i". [ruby-dev:37180]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@20413 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merges r20355 from trunk into ruby_1_9_1.
strftime.c (rb_strftime): should not swallow incomplete
formatter, e.g. "%E". [ruby-dev:37170] fix: #787
strftime.c (rb_strftime): clear flags before processing unknown
formatter, e.g. "%i". [ruby-dev:37180]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@20413 b2dd03c8-39d4-4d8f-98ff-823fe69b080e