#CO-13 in progress
 whitespaces
#CO-13 in progress
 strings
#CO-13 in progress
 project in com.intellij.util.indexing.FileBasedIndex.InputFilter
#CO-13 in progress
 comments
language version highlight api
#CO-13 in progress
 create wrapped api for ParserDefinition when is LanguageVersion is not default
throw expression message update
constructors in element types