Various snippets which may be used for editing

Empty bbbike-temp-blockings record:

     { from  => undef,
       until => undef,
       text  => '',
       type  => 'gesperrt',
       data  => <<EOF,
EOF
     },

Alternative, with placeholders for ISO 8601 dates:

     { from  => $isodate2epoch->(""),
       until => $isodate2epoch->(""),
       text  => '',
       type  => 'gesperrt',
       data  => <<EOF,
EOF
     },
