| MSPSetDefault[ var, value] set the variable var to value if it does not have a value |
| MSPException["ParseError"] | if the value cannot be interpreted by Mathematica | |
| MSPException["SecurityError"] | if the value does not pass the security test | |
| MSPException["ValueError"] | if the value is not a string, this indicates a programmatic error by the page author | |
| MSPException["VariableError"] | if the variable is not a Mathematica symbol, this indicates a programmatic error by the page author |
EXAMPLES
Basic Examples 
