Text annotations

Below the readers are enlisted that can return non-empty list of annotations for document lines:

• + means that the reader can return the annotation.

• - means that the reader doesn’t return the annotation due to complexity of the task or lack of information provided by the format.

Annotations returned by each reader

Annotation	DocxReader	PptxReader	HtmlReader, MhtmlReader, EmailReader	RawTextReader	PdfImageReader	PdfTabbyReader	PdfTxtlayerReader	ArticleReader
AttachAnnotation	+	+	-	-	-	-	+	+
TableAnnotation	+	+	-	-	+	+	+	+
LinkedTextAnnotation	+	-	+	-	-	+	+	-
BBoxAnnotation	-	-	-	-	+	+	+	-
AlignmentAnnotation	+	+	+	-	-	-	-	-
IndentationAnnotation	+	-	-	+	+	+	+	-
SpacingAnnotation	+	-	-	+	+	+	+	-
BoldAnnotation	+	+	+	-	+	+	+	-
ItalicAnnotation	+	+	+	-	-	+	+	-
UnderlinedAnnotation	+	+	+	-	-	-	-	-
StrikeAnnotation	+	+	+	-	-	-	-	-
SubscriptAnnotation	+	+	+	-	-	-	-	-
SuperscriptAnnotation	+	+	+	-	-	-	-	-
ColorAnnotation	-	-	-	-	+	-	+	-
SizeAnnotation	+	+	+	-	+	+	+	-
StyleAnnotation	+	-	+	-	-	+	+	-
ConfidenceAnnotation	-	-	-	-	+	-	-	-
ReferenceAnnotation	-	-	-	-	-	-	-	+