Found an answer for question number 2:
https://metalink2.oracle.com/metalink/plsql/f?p=130:14:2551972738979005909::::p14_database_id,p14_docid,p14_show_header,p14_show_help,p14_black_frame,p14_font:NOT,466228.1,1,0,1,helvetica
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