Implement non-ASCII case conversion for ISO-8859-9, by Kazuki Iijima.
* enc/iso_8859_9.c: Exclude dotless i/I with dot from case-insensitive
matching because they are not a case pair.
* test/ruby/enc/test_iso_8859.rb: Make test coverage for ISO-8859-9
a bit more complete.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55666 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
case-insensitive matching because they are not a case pair.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55647 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
When you change this to true, you may need to add more tests.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53141 b2dd03c8-39d4-4d8f-98ff-823fe69b080e