| -p name | Select parser wrapper by name. | 
    | -n | -N | Turn on/off namespace processing. | 
    | -v | -V | Turn on/off validation. | 
    
     | -xd | -XD | Turn on/off loading of external DTDs. NOTE: Always on when -v in use and not supported by all parsers.
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     | -s | -S | Turn on/off Schema validation support. NOTE: Not supported by all parsers.
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     | -f  | -F | Turn on/off Schema full checking. NOTE: Requires use of -s and not supported by all parsers.
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     | -hs | -HS | Turn on/off honouring of all schema locations. NOTE: Requires use of -s and not supported by all parsers.
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     | -va | -VA | Turn on/off validation of schema annotations. NOTE: Requires use of -s and not supported by all parsers.
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     | -ga | -GA | Turn on/off generation of synthetic schema annotations. NOTE: Requires use of -s and not supported by all parsers.
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     | -dv | -DV | Turn on/off dynamic validation. NOTE: Not supported by all parsers.
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     | -xi | -XI | Turn on/off XInclude processing. NOTE: Not supported by all parsers.
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     | -xb | -XB | Turn on/off base URI fixup during XInclude processing. NOTE: Requires use of -xi and not supported by all parsers.
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     | -xl | -XL | Turn on/off language fixup during XInclude processing. NOTE: Requires use of -xi and not supported by all parsers.
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     | -c | -C | Turn on/off Canonical XML output. NOTE: This is not W3C canonical output.
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    | -h | Display help screen. |