Bug 113159 CUEditor won't let me insert just one TAB
Given the following code: Pattern pattern = selected ? new Pattern(null,...) : new Pattern(nul,...); <<CARET>>g.setBackgroundPattern(pattern); I cannot insert a single TAB at the Caret location. typing TAB inserts two TABs. BACKSPACE deletes both.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/actions/IndentAction.java
}
		
		return false;
	}
	
	/**
	 * Returns the smart preference state.
	 * 
	 * @return <code>true</code> if smart mode is on, <code>false</code> otherwise
	 */
	private boolean isSmartMode() {
		ITextEditor editor= getTextEditor();
		
		if (editor instanceof ITextEditorExtension3)
			return ((ITextEditorExtension3) editor).getInsertMode() == ITextEditorExtension3.SMART_INSERT;
		
		return false;
	}
	
	/**
	 * Returns the document currently displayed in the editor, or <code>null</code> if none can be 
	 * obtained.
	 * 
	 * @return the current document or <code>null</code>
	 */
	private IDocument getDocument() {
		
		ITextEditor editor= getTextEditor();
		if (editor != null) {