2011-11-03 Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* src/print-info.c (pdf_write_workbook): madify arguments
	(cb_free_sheets): deleted
	(pdf_export): new
	(cb_set_pdf_option): use g_ptr_array_unref and support 'object' option
	(print_init): use pdf_export instead of pdf_write_workbook
	* src/print.h (gnm_print_so): modify arguments
	* src/print.c (gnm_print_so): modify arguments and support output to gsf
	* src/sheet-object.c (cb_so_print): adjust for modified arguments to
	gnm_print_so
	* src/ssconvert.c (convert): do not unref wb twice on error

2011-11-03  Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* ssconvert.1: add new 'object' option for pdf exporter