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SQL> show markup
markup HTML OFF HEAD "<title>HTML Demo Report</title> <link rel='stylesheet' href='format.css'>" BODY "" TABLE "border='1' width='90%' align='center' summary='Script output'" SPOOL ON ENTMAP ON PREFORMAT OFF
SQL> set markup
SP2-0281: markup missing set option
Usage: SET MARKUP HTML [ON|OFF] [HEAD text] [BODY text]
[TABLE text] [ENTMAP {ON|OFF}] [SPOOL {ON|OFF}] [PRE[FORMAT] {ON|OFF}]
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