[roman] Editorial restoration of missing, mutilated, or illegible text.
Correction of typographical errors in original manuscript or
printed document. A question mark following a restoration
or correction indicates that it is uncertain or conjectural.
Also used to indicate known place and/or date of publication
of a news report or periodical article, or known place and/or
date of composition of a manuscript when the place and/or
date is not given in the manuscript; or to identify unnamed
individuals alluded to in text, or known signatory of a
manuscript the text of which has been established on the basis
of an unsigned file copy.
When preceded by in the margin in italics, indicates
marginalia brought into the line of type.
[italic] Editorially assigned date and/or place of any document
whose date and/or place of publication or composition is
uncertain or conjectural. Editorial comment inserted in the
text, such as [endorsement], [illegible], [remainder missing],
[torn], [enclosure], [attachment], [in the margin].
[[roman]] Known date and/or place of composition of a published
letter, article, or news report, or delivery date of a speech, if
publication date and/or place differs.
[[italic]] Editorially assigned date and/or place of composition of a
published letter, article, or news report, or delivery date of a
speech, if publication date and/or place differs and date
and/or place of composition or delivery is uncertain or
// // Incorporation into the text of an addition or correction
made above or below the line by author, or of autograph
insertions made in typewritten original.
canceled Textual matter that is canceled in the original.
[ . . . ] Text editorially abridged.
[ ] Blank space in a document.