add:   PreviousReplaceWord = dialog.ReplaceWordInput.value;  SetReplaceEnable(); 
context: function ChangeReplaceWord(){  // Calling this triggers SelectSuggestedWord(),  //  so temporarily suppress the effect of that  var saveAllow = allowSelectWord;  allowSelectWord = false;  // Unselect the word in the suggested list when user edits the replacement word  dialog.SuggestedList.clearItemSelection();  allowSelectWord = saveAllow;}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/c0a534c8efb9e6703626cacd6d61cb6ad8eb6680/EdSpellCheck.js/buggy/editor/ui/dialogs/content/EdSpellCheck.js