Bug 52857 [spell checking] spell checking does not work for reused editors
3.0 M7 0. enable spell checking 1. set the editor preference to close editors automatically (allow only 1 editor) 2. open a CU with misspelled words in the Java editor ==> observe: spell check warnings appear 3. open another CU with misspelled words in the Java editor ==> observe: no spell check warnings
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/spelling/SpellReconcileStrategy.java
public static final int Spelling= 0x80000000;
		
		private int fEnd= 0;
		
		private int fLine= 1;
		
		private boolean fMatch;
		
		private boolean fSentence= false;
		
		private int fStart= 0;
		
		private final String fWord;
		/**
		 * Creates a new spelling problem
		 * 
		 * @param word
		 *                   The word which caused the problem
		 */
		protected SpellProblem(final String word) {
			fWord= word;
		}
		/*
		 * @see org.eclipse.jdt.core.compiler.IProblem#getArguments()
		 */
		public String[] getArguments() {
			String prefix= "";