use prism-tomorrow.css

docs/_style/prism-master/tests/languages/protobuf/keyword_feature.test

@@ -0,0 +1,40 @@
+message Point {
+  required int32 x = 1;
+  required int32 y = 2;
+  optional string label = 3;
+}
+
+----------------------------------------------------
+
+[
+	["keyword", "message"],
+	" Point ",
+	["punctuation", "{"],
+
+	["builtin", "required"],
+	["primitive", "int32"],
+	" x ",
+	["operator", "="],
+	["number", "1"],
+	["punctuation", ";"],
+
+	["builtin", "required"],
+	["primitive", "int32"],
+	" y ",
+	["operator", "="],
+	["number", "2"],
+	["punctuation", ";"],
+
+	["builtin", "optional"],
+	["primitive", "string"],
+	" label ",
+	["operator", "="],
+	["number", "3"],
+	["punctuation", ";"],
+
+	["punctuation", "}"]
+]
+
+----------------------------------------------------
+
+Check for keywords and builtins

docs/_style/prism-master/tests/languages/protobuf/string_feature.test

@@ -0,0 +1,23 @@
+""
+''
+"foo"
+'foo'
+"'foo'"
+'"bar"'
+"  // comment  "
+
+----------------------------------------------------
+
+[
+	["string", "\"\""],
+	["string", "''"],
+	["string", "\"foo\""],
+	["string", "'foo'"],
+	["string", "\"'foo'\""],
+	["string", "'\"bar\"'"],
+	["string", "\"  // comment  \""]
+]
+
+----------------------------------------------------
+
+Checks for single-quoted and double-quoted strings.