* kh/notes-doc-fixes:
doc: notes: use stuck form throughout
doc: notes: treat --stdin equally between copy/remove
doc: notes: point out copy --stdin use with argv
doc: notes: clearly state that --stripspace is the default
doc: notes: remove stripspace discussion from other options
doc: notes: rework --[no-]stripspace
doc: notes: split out options with negated forms
doc: config: mention core.commentChar on commit.cleanup
doc: stripspace: mention where the default comes from
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