Rename README.markdown to README.md with consequences.

.yardopts

@@ -4,7 +4,7 @@
 --no-private
 --hide-void-return
 --markup markdown
---readme README.markdown
+--readme README.md
 -
 History
 AUTHORS

README

@@ -1 +1 @@
-README.markdown
+README.md

README.markdown → README.md

@@ -11,7 +11,7 @@ Install with `gem install rdf-turtle`
 
 * 100% free and unencumbered [public domain](http://unlicense.org/) software.
 * Implements a complete parser for [Turtle][].
-* Compatible with Ruby 1.8.7+, Ruby 1.9.x, and JRuby 1.7+.
+* Compatible with Ruby 1.8.7+, Ruby >= 1.9, and JRuby 1.7+.
 
 ## Usage
 Instantiate a reader from a local file:
@@ -115,6 +115,6 @@ see <http://unlicense.org/> or the accompanying {file:UNLICENSE} file.
 [Backports]:    http://rubygems.org/gems/backports
 [N-Triples]:    http://www.w3.org/TR/rdf-testcases/#ntriples
 [Turtle]:       http://www.w3.org/TR/2012/WD-turtle-20120710/
-[Turtle doc]:   http://rubydoc.info/github/ruby-rdf/rdf-turtle/master/file/README.markdown
+[Turtle doc]:   http://rubydoc.info/github/ruby-rdf/rdf-turtle/master/file/README.md
 [Turtle EBNF]:  http://dvcs.w3.org/hg/rdf/file/8610b8f58685/rdf-turtle/turtle.bnf
 [Swap]:         http://www.w3.org/2000/10/swap/

rdf-turtle.gemspec

@@ -16,7 +16,7 @@ Gem::Specification.new do |gem|
   gem.email                 = '[email protected]'
 
   gem.platform              = Gem::Platform::RUBY
-  gem.files                 = %w(AUTHORS README.markdown History UNLICENSE VERSION) + Dir.glob('lib/**/*.rb')
+  gem.files                 = %w(AUTHORS README.md History UNLICENSE VERSION) + Dir.glob('lib/**/*.rb')
   #gem.bindir               = %q(bin)
   #gem.default_executable   = gem.executables.first
   gem.require_paths         = %w(lib)