don't try to render invalid lookup elements (EA-43983)
for a wrong date/time format, output an error message, don't log an error (EA-43511)
calculate identifier end offset based on document text, not file's (EA-43209)
diagnostics for elements with null range (EA-43121)
diagnostics for inconsistent TemplateState (EA-42819)
remove unused methods
there are no \r's in documents
fix IOOBE (EA-42811)
fix "IncorrectOperationException: No line comment prefix defined for language HTML" (EA-42780)
incorrect reference range diagnostics (EA-42507)
PsiMultiReference.toString (diagnose EA-41947)
handle Groovy Shell running problems (e.g. misconfigured jdk) (EA-41168)
CR-IC-92 (wandering DirectoryIndexImpl returned to platform; obsolete classes dropped)