Bug 40772 [plan item] Smart tab on empty lines
When having the caret on an empty line, pressing tab cleans up the line and sets the caret it the right indentation column.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/PreferenceConstants.java
store.setDefault(PreferenceConstants.REFACTOR_ERROR_PAGE_SEVERITY_THRESHOLD, PreferenceConstants.REFACTOR_ERROR_SEVERITY);
		store.setDefault(PreferenceConstants.REFACTOR_SAVE_ALL_EDITORS, false);		
		
		store.setDefault(PreferenceConstants.TEMPLATES_USE_CODEFORMATTER, true);
		
		
		
		if (store.getBoolean(PreferenceConstants.CODEGEN_USE_GETTERSETTER_PREFIX)) {
			String prefix= store.getString(PreferenceConstants.CODEGEN_GETTERSETTER_PREFIX);
			if (prefix.length() > 0) {
				JavaCore.getPlugin().getPluginPreferences().setValue(JavaCore.CODEASSIST_FIELD_PREFIXES, prefix);
				store.setToDefault(PreferenceConstants.CODEGEN_USE_GETTERSETTER_PREFIX);
				store.setToDefault(PreferenceConstants.CODEGEN_GETTERSETTER_PREFIX);
			}
		}
		if (store.getBoolean(PreferenceConstants.CODEGEN_USE_GETTERSETTER_SUFFIX)) {
			String suffix= store.getString(PreferenceConstants.CODEGEN_GETTERSETTER_SUFFIX);
			if (suffix.length() > 0) {
				JavaCore.getPlugin().getPluginPreferences().setValue(JavaCore.CODEASSIST_FIELD_SUFFIXES, suffix);
				store.setToDefault(PreferenceConstants.CODEGEN_USE_GETTERSETTER_SUFFIX);
				store.setToDefault(PreferenceConstants.CODEGEN_GETTERSETTER_SUFFIX);
			}
		}
		store.setDefault(PreferenceConstants.CODEGEN_KEYWORD_THIS, false);
		store.setDefault(PreferenceConstants.CODEGEN_IS_FOR_GETTERS, true);
		store.setDefault(PreferenceConstants.CODEGEN_ADD_COMMENTS, true);
		
		store.setDefault(PreferenceConstants.APPEARANCE_MEMBER_SORT_ORDER, "T,SI,SF,SM,I,F,C,M");