
All of loon's displays access a set of common options. This function accesses and returns the default value for the named option.
l_userOptionDefault(option)
the default value for the named option
the name of the user changeable loon display option whose default value is to be determined.
l_getOptionNames
, l_getOption
,
l_userOptionDefault
, l_userOptions
l_userOptionDefault("background")
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