Add property "altText" and "altTextID" in chart handle like Image handle
Add property "altText" and "altTextID" in chart handle like Image handle

Charling-Huang/birt,Charling-Huang/birt,Charling-Huang/birt,sguan-actuate/birt,sguan-actuate/birt,sguan-actuate/birt,Charling-Huang/birt,sguan-actuate/birt,rrimmana/birt-1,rrimmana/birt-1,rrimmana/birt-1,rrimmana/birt-1,Charling-Huang/birt,sguan-actuate/birt,rrimmana/birt-1