IDEA-72979 DOM: make DelimitedListConverter work nicely with TagValues
avoid unnecessary SecurityException
optimisation: no expensive Class.getmodifiers() and checkAccess() calls
optimisation: concurrent sets
cleanup
optimisation: do not allocate list unnecessarily
optimisation: overload to reduce varargs array allocation
cleanup
IDEA-122476: Pack JPS distribution into one zip file
WEB-11445 AngularJS filters break Emmet

 - delete key and commit document after key processing
TemplateState: yet another debug info