option_value_validate
option_value_validate(option, value)
This function validates the specified value for the specified option.
If the specified value is valid, the function returns 1. If the specified value is invalid, the function returns 0 and an explanation in an error dialog box.
Example
option_value_validate("tagdisplay", "full")
option_value_validate("tagdisplay", "notvalid")
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