rem: spellChecker.RemoveWordFromDictionary(word); 
add: try {  spellChecker.RemoveWordFromDictionary(word); } catch (e) { dump("Failed to remove word from dictionary\n"); } 
context: function RemoveWord(){  selIndex = DictionaryList.selectedIndex;  if (selIndex >= 0) {    word = TrimString(DictionaryList.options[selIndex].text);    // Remove word from list    DictionaryList.options[selIndex] = null;    // Remove from dictionary    spellChecker.RemoveWordFromDictionary(word);    ResetSelectedItem(selIndex);  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/a62a9dffa18e5793a2281b90ef7939a2ae5b769c/EdDictionary.js/clean/editor/ui/dialogs/content/EdDictionary.js