src/ja/ide/css-prep/css-prep/org/netbeans/modules/css/prep/process/Bundle_ja.properties - netbeans-l10n - Git at Google

 # {0} - preprocessor name
 BaseProcessor.error.mappings.empty={0}\u30d7\u30ea\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093
	# {0} - preprocessor name
	BaseProcessor.error.mappings.empty={0}\u30d7\u30ea\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093