> [...] my new document always shows invisibles by default.
Perhaps you've already checked these settings, but just in case, here's a rundown of all the options you have to work with:
1. The "Show Invisibles" checkbox on BBEdit's "Editor Defaults" preference pane sets the application-wide default for all new documents.
2. The application-wide default can be overridden on a per-language-basis using BBEdit's "Preferences -> Languages -> [desired language] -> Editing -> Show invisibles" checkbox.
3. Both of the aforementioned defaults can also be overridden on a per-document-basis using BBEdit's "View -> Text Display -> Show Invisibles" menubar command or the "Show Invisibles" command under the text options button in the toolbar.
Hope this helps.
-Dennis