check for null in GDSL
IDEA-107649 optimization
IDEA-107214 Command-Q does not fire windowClosing listener on IdeFrameImpl
IDEA-1005431 Arrangement: while matching choose the most special rule, not the first one
moved to analysis
moved to analysis
moved to analysis
moved to analysis
moved to analysis
moved to analysis
moved to analysis
moved to analysis
moved to analysis
moved to analysis
moved to analysis
moved to analysis
moved to analysis