Bug 40347 [misc] Renaming a project with an open editor fills log
I20030716+plugin-export 1) have a Java file open in the Java editor 2) rename the enclosing project -> exception in log but no stacktrace
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/CompilationUnitEditor.java
ISourceViewer sourceViewer= getSourceViewer();
		if (sourceViewer instanceof ITextViewerExtension)
			((ITextViewerExtension) sourceViewer).prependVerifyKeyListener(fBracketInserter);
	}
	
	private static char getEscapeCharacter(char character) {
		switch (character) {
			case '"':
			case '\'':
				return '\\';
			default:
				return 0;
		}
	}
	
	private static char getPeerCharacter(char character) {
		switch (character) {
			case '(':
				return ')';
				
			case ')':
				return '(';
				
			case '[':
				return ']';
			case ']':
				return '[';
				
			case '"':
				return character;