$ A list of dicts holding the same keys
Options:
first_row
, which causes the first row to be used as header.
Multiple header
options may be present. The first matching
row is used, next the first_row
value and if nothing matches
no header is displayed.l
, c
or r
or the
more verbose left
, center
, right
. Default is left
,
except for columns holding only integers.