.gitignore in primes-utils-1.1.1 vs .gitignore in primes-utils-2.0.0

@@ -5,5 +5,10 @@
 /coverage/
 /doc/
 /pkg/
 /spec/reports/
 /tmp/
+*.gem
+.directory
+*.odt
+*.odt#
+*.pdf
\ No newline at end of file