format_field: Format a possible option source
Description
Format a possible option source
Usage
format_field(field, active, value, fmt = options_fmts())
Value
A formatted character value
Arguments
- field
- The field for the option source 
- active
- Whether this source is the source of the option's value 
- value
- The value from this source that was used 
- fmt
- A list of formats to use for formatting individual text elements