Bug 50386 Autoindent/Smart Tab in case statement
1: case SWT.TRAVERSE_ESCAPE : 2: fTableViewer.cancelEditing(); 3: e.doit= true; Pressing Tab at beginning of line 3 removes one tab character from line 3. It shouldn't. Same indentation error for Smart Return, Correct Indentation, ... for all lines which are 2+ lines after the case keyword.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/JavaIndenter.java
* or <code>default</code>) or the offset of the brace that scopes the switch 
	 * statement. Sets <code>fIndent</code> to <code>prefCaseIndent</code> upon
	 * a match.
	 *  
	 * @return the reference offset for a <code>switch</code> label
	 */
	private int matchCaseAlignment() {
		while (true) {
			nextToken();
			switch (fToken) {
				
				
				case Symbols.TokenLPAREN:
				case Symbols.TokenLBRACKET:
				case Symbols.TokenEOF:
					return fPosition;
				case Symbols.TokenLBRACE:
					
					fIndent= prefCaseIndent();
					return fPosition;
				case Symbols.TokenCASE:
				case Symbols.TokenDEFAULT:
					
					fIndent= 0;
					return fPosition;
				
				
				case Symbols.TokenRPAREN:
				case Symbols.TokenRBRACKET:
				case Symbols.TokenRBRACE: