rem: this.mInlineSpellChecker.enableRealTimeSpell = isEnabled; 
add: this.mEditor.setSpellcheckUserOverride(isEnabled); 
context:   set enabled(isEnabled)  {    if (this.mInlineSpellChecker)      this.mInlineSpellChecker.enableRealTimeSpell = isEnabled;  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/48d836c35d9f0d8c4db6f36b6056121ba1ce368b/inlineSpellCheckUI.js/clean/toolkit/content/inlineSpellCheckUI.js