316
edits
Changes
Clarified use of preferences.css
style chrome://messenger/content/customizeToolbar.xul chrome://.../skin/... .css appversion>=59.0a1
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* CSS for the preference dialogs has moved from Mozilla core to Thunderbird. Add-ons that have an options/preferences dialog using <prefwindow> that requires this CSS need to add
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<?xml-stylesheet type="text/css" href="chrome://messenger/skin/preferences/preferences.css"?>
