When the attachment notification comes up, the found keyword list is clickable and should open the preferences dialog with the keyword editor (a subdialog with the list of all keywords). However, the editor does not open, because of the error: Error: TypeError: document.getElementById(...) is null Source File: chrome://messenger/content/preferences/preferences.js Line: 81 It does not find the "attachment_reminder_button" to click on. This happens when preferences dialog is in a tab. Probably needs some more code to wait until the pref pane is fully loaded in the function showTab() in preferences.js.
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