recent documents: Doxygenize & make the comments a bit less useless.
recent documents: Doxygenize & make the comments a bit less useless.

Change-Id: I0352b7e7395519cc2d87e1fd7ffd9423cb977698

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core