Bug 52750 correct indentation messes with comment boxes
3m7 /* ******** */ /* */ /* ******** */ comes out /* ******** */ /* */ /* ******** */
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/actions/IndentAction.java
int length= end - offset;
		String currentIndent= document.get(offset, length);
		
		
		
		if (fIsTabAction && caret == end && whiteSpaceLength(currentIndent) >= whiteSpaceLength(indent)) {
			String tab= getTabEquivalent();
			document.replace(caret, 0, tab);
			fCaretOffset= caret + tab.length();
			return true;
		}
		
		
		if (caret >= offset && caret <= end)
			fCaretOffset= offset + indent.length();
		else
			fCaretOffset= -1;
		
		
		if (!indent.equals(currentIndent)) {
			document.replace(offset, length, indent);
			return true;
		} else
			return false;
	}
	
	/**
	 * Returns the size in characters of a string. All characters count one, tabs count the editor's
	 * preference for the tab display 
	 *