v4.3 [Jun 10, 2009]
Improved support of comments in the document.
Fixed a bug with radio-buttons.
Added property AnnotBorderWidth to PDFDocument4.
Added method RemoveAnnotation for removing of specified annotations.
Fixed bug related to filling of polygons.
Fixed a bug with vertical text in EMFs.
Fixed a bug with clipping text in EMFs.
v3.9 [May 12, 2008]
+ radio-buttons in forms can now have associated text
+ added support for CMYK JPEG images
* greatly improved text handling
* a number of memory leaks found and fixed
* improved metafiles conversion