.gitignore in xmp-1.0.1 vs .gitignore in xmp-2.0.0

@@ -1,8 +1,11 @@
-*.swp
+.DS_Store
 *.gem
-.bundle
-Gemfile.lock
-pkg/*
+*.swp
+/.bundle
+/.idea
+/.ruby-version
+/Gemfile.lock
+/coverage
+/doc
+/pkg/*
 /xmp.xml
-.DS_Store
-doc