How the annotation of this DocumentAnnotator should be printed as extra information after a one-word-per-line (OWPL) format.
How the annotation of this DocumentAnnotator should be printed as extra information after a one-word-per-line (OWPL) format. If there is no document annotation, return the empty string. Used in Document.owplString.
How the annotation of this DocumentAnnotator should be printed in one-word-per-line (OWPL) format.
How the annotation of this DocumentAnnotator should be printed in one-word-per-line (OWPL) format. If there is no per-token annotation, return null. Used in Document.owplString.
Clean up Token.string according to various standard practices. The aim here is to to put into plain text, the way most people would write an email message, e.g. un-escaped asterisks, plain quote characters, etc.