Unit test
explicit range check removed
explicit range check removed
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'
remove unneeded extra padding in gutter when code folding outline is hidden, but line numbers are shown
IDEA-131059 Look and Feel: change of Look and Feel after restart turns into change of Color Scheme
EA-41231 (more accurate reporting)
EA-61715: let's use concurrent array list