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 name of the user changeable loon display option whose default value is to be determined.
the default value for the named option
l_getOptionNames, l_getOption, l_userOptionDefault, l_userOptions
l_getOptionNames
l_getOption
l_userOptionDefault
l_userOptions
# NOT RUN { l_userOptionDefault("background") # }
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