diff --git a/grammars.yml b/grammars.yml
index 5db22c99..61cc4990 100644
--- a/grammars.yml
+++ b/grammars.yml
@@ -141,6 +141,8 @@ https://github.com/joshaven/RDoc.tmbundle:
 - text.rdoc
 https://github.com/jpcamara/Textmate-Gosu-Bundle/raw/master/Gosu.tmbundle/Syntaxes/Gosu.tmLanguage:
 - source.gosu.2
+https://github.com/kswedberg/jquery-tmbundle:
+- source.js.jquery
 https://github.com/kuroir/SCSS.tmbundle:
 - source.scss
 https://github.com/laughedelic/sublime-idris/raw/master/Idris.tmLanguage:
@@ -274,6 +276,8 @@ https://github.com/textmate/java.tmbundle:
 - source.java-properties
 - text.html.jsp
 - text.junit-test-report
+https://github.com/textmate/javadoc.tmbundle:
+- text.html.javadoc
 https://github.com/textmate/javascript-objective-j.tmbundle:
 - source.js.objj
 https://github.com/textmate/json.tmbundle:
@@ -337,6 +341,12 @@ https://github.com/textmate/restructuredtext.tmbundle:
 - text.restructuredtext
 https://github.com/textmate/ruby-haml.tmbundle:
 - text.haml
+https://github.com/textmate/ruby-on-rails-tmbundle:
+- source.js.erb.rails
+- source.ruby.rails
+- source.ruby.rails.rjs
+- source.sql.ruby
+- text.html.erb.rails
 https://github.com/textmate/scheme.tmbundle:
 - source.scheme
 https://github.com/textmate/scilab.tmbundle:
@@ -351,6 +361,13 @@ https://github.com/textmate/swift.tmbundle:
 https://github.com/textmate/tcl.tmbundle:
 - source.tcl
 - text.html.tcl
+https://github.com/textmate/text.tmbundle:
+- text.plain
+https://github.com/textmate/textile.tmbundle:
+- text.html.textile
+https://github.com/textmate/textmate.tmbundle:
+- source.regexp.oniguruma
+- source.tm-properties
 https://github.com/textmate/toml.tmbundle:
 - source.toml
 https://github.com/textmate/verilog.tmbundle:
diff --git a/script/prune-grammars b/script/prune-grammars
index 51f49f3e..2e194b1f 100755
--- a/script/prune-grammars
+++ b/script/prune-grammars
@@ -46,7 +46,7 @@ language_scopes = Linguist::Language.all.map(&:tm_scope).to_set
 
 # The set of used scopes is the scopes for each language, plus all the scopes
 # they include, transitively.
-used_scopes = language_scopes + language_scopes.flat_map { |s| transitive_includes(s, includes) }.to_set
+used_scopes = language_scopes + language_scopes.flat_map { |s| transitive_includes(s, includes).to_a }.to_set
 
 unused = yaml.reject { |repo, scopes| scopes.any? { |scope| used_scopes.include?(scope) } }