Where one operator of the content a ContentEditor rewrites is: its code and its byte range.
public ContentOperatorRange(ContentOperatorCode Code, int Offset, int Length)
The operator, or Unknown.
The offset of the operator's first byte.
The number of bytes the operator spans.
ISO 32000-2 §7.8.2. The range runs from the operator's first operand (its keyword when it has none) through the end of its
keyword, or through EI for an inline image (§8.9.7). Offsets are in Content: the decoded
stream, or the streams of a Contents array joined with a line feed after each (Table 31).