mark usage

        mark lorrie = `pick -from lorrie`  # set "lorrie" group 
        mark lorrie + `pick -to lorrie`    # add messages to group
        mark group op message numbers      # Other operations
        mark lorrie                        # print out list of message numbers
        mark                               # print list of group names

• The operations are defined with a dispatch table:

        my %canonical = ('' => 'show',   # I AM THE DEFAULT
                         '+' => 'union',
                         'u' => 'union',
                         'o' => 'union',
                         'or' => 'union',
                         'union' => 'union',
                         'add' => 'union',
                         '*' => 'intersect',
                         'a' => 'intersect',
                         'and' => 'intersect',
                        ...
                         '-' => 'diff',
                        ...
                         's' => 'show',
                        ...
                         '=' => 'copy',
                        ...
                         'x' => 'delete',
                        ...
                         '0' => 'delete',
                        );

• The values here are merely names of Set::IntSpan methods

• I omitted 18 more synonyms

• Overengineering perhaps? But I don't think so.

• I would have had the dispatch table anyway

• Putting in extra synonyms is cheap

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Copyright © 2012 M. J. Dominus