Hi All

I'm glad to announce that the long-awaited support for excel comments in POI is 
implemented.
The request to implement it has been in po-dev since June 2002 (see Bug 10215) 
and finally this feature is present.

Now it's possible to read/write cell comments using HSSF API. 

The docs on the POI website have been updated. See how-to at 
http://jakarta.apache.org/poi/hssf/quick-guide.html#CellComments

Excel comment is a special text shape. What I understood it the task came to 
implementing a new type of shape
and the underlying records.

Below is a detailed list of changes:

 * Implemented new records: org.apache.poi.hssf.record.NoteRecord 
     and org.apache.poi.hssf.record.NoteStructureSubRecord.
     
 * Changed record factories and BiffViewer to handle new types of
 records

 * Note records need to be serialized after all drawing group records. Changed 
    org.apache.poi.hssf.record.EscherAggregate to handle that.

 * Implemented org.apache.poi.hssf.model.CommentShape
   and the corresponding high-level org.apache.poi.hssf.usermodel.HSSFComment

 * Add methods to org.apache.poi.hssf.usermodel.HSSFCell to get/set cell 
comments


Regards,
Yegor Kozlov


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