+--------------+
                            | Simple table |
                            +--------------+

  +----------+----------+----------+
  | Cell 1-1 | Cell 1-2 | Cell 1-3 |
  | Cell 2-1 | Cell 2-2 | Cell 2-3 |
  | Cell 3-1 | Cell 3-2 | Cell 3-3 |
  +----------+----------+----------+


                       +-----------------------+
                       | Simple table + border |
                       +-----------------------+

  +----------+----------+----------+
  | Cell 1-1 | Cell 1-2 | Cell 1-3 |
  +----------+----------+----------+
  | Cell 2-1 | Cell 2-2 | Cell 2-3 |
  +----------+----------+----------+
  | Cell 3-1 | Cell 3-2 | Cell 3-3 |
  +----------+----------+----------+


                       +------------------------+
                       | Simple table + heading |
                       +------------------------+

  +----------+----------+----------+
  | Head 1-1 | Head 1-2 | Head 1-3 |
  +----------+----------+----------+
  | Cell 1-1 | Cell 1-2 | Cell 1-3 |
  | Cell 2-1 | Cell 2-2 | Cell 2-3 |
  | Cell 3-1 | Cell 3-2 | Cell 3-3 |
  +----------+----------+----------+


                  +---------------------------------+
                  | Simple table + heading + border |
                  +---------------------------------+

  +----------+----------+----------+
  | Head 1-1 | Head 1-2 | Head 1-3 |
  +==========+==========+==========+
  | Cell 1-1 | Cell 1-2 | Cell 1-3 |
  +----------+----------+----------+
  | Cell 2-1 | Cell 2-2 | Cell 2-3 |
  +----------+----------+----------+
  | Cell 3-1 | Cell 3-2 | Cell 3-3 |
  +----------+----------+----------+


              +------------------------------------------+
              | Simple table + heading + border + footer |
              +------------------------------------------+

  +----------+----------+----------+
  | Head 1-1 | Head 1-2 | Head 1-3 |
  +==========+==========+==========+
  | Cell 1-1 | Cell 1-2 | Cell 1-3 |
  +----------+----------+----------+
  | Cell 2-1 | Cell 2-2 | Cell 2-3 |
  +----------+----------+----------+
  | Cell 3-1 | Cell 3-2 | Cell 3-3 |
  +----------+----------+----------+
  | Foot 1-1 | Foot 1-2 | Foot 1-3 |
  +----------+----------+----------+


           +-----------------------------------------------+
           | Simple table + heading + border + centralized |
           +-----------------------------------------------+

                   +----------+----------+----------+                   
                   | Head 1-1 | Head 1-2 | Head 1-3 |                   
                   +==========+==========+==========+                   
                   | Cell 1-1 | Cell 1-2 | Cell 1-3 |                   
                   +----------+----------+----------+                   
                   | Cell 2-1 | Cell 2-2 | Cell 2-3 |                   
                   +----------+----------+----------+                   
                   | Cell 3-1 | Cell 3-2 | Cell 3-3 |                   
                   +----------+----------+----------+                   


                           +----------------+
                           | Cell alignment |
                           +----------------+

  +---------+---------+
  | ======= | ======= |
  +---------+---------+
  | <       |       > |
  +---------+---------+
  |    =    |    =    |
  +---------+---------+
  |       > | <       |
  +---------+---------+


                         +-------------------+
                         | Heading alignment |
                         +-------------------+

  +---------+---------+
  | ======= | ======= |
  +=========+=========+
  | <       |       > |
  +---------+---------+
  |    =    |    =    |
  +---------+---------+
  |       > | <       |
  +---------+---------+


                       +-----------------------+
                       | Column span for cells |
                       +-----------------------+

  +---+---+---+---+
  | 1 | 2 | 3 | 4 |
  +---+---+---+---+
  | 1 | 2 | 3 + 4 |
  +---+---+---+---+
  | 1 + 2 + 3 | 4 |
  +---+---+---+---+
  | 1 | 2 + 3 | 4 |
  +---+---+---+---+
  | 1 + 2 + 3 + 4 |
  +---+---+---+---+


                      +--------------------------+
                      | Column span for headings |
                      +--------------------------+

  +---+---+---+---+
  | 1 | 2 | 3 | 4 |
  +===+===+===+===+
  | 1 | 2 | 3 + 4 |
  +---+---+---+---+
  | 1 + 2 + 3 | 4 |
  +---+---+---+---+
  | 1 | 2 + 3 | 4 |
  +---+---+---+---+
  | 1 + 2 + 3 + 4 |
  +---+---+---+---+


                    +------------------------------+
                    | Cell alignment + column span |
                    +------------------------------+

  +---------+---------+---------+
  | ======= | ======= | ======= |
  +---------+---------+---------+
  | <                 |    =    |
  +---------+---------+---------+
  |              =              |
  +---------+---------+---------+
  |    =    |                >  |
  +---------+---------+---------+


                  +---------------------------------+
                  | Heading alignment + column span |
                  +---------------------------------+

  +---------+---------+---------+
  | ======= | ======= | ======= |
  +=========+=========+=========+
  | <                 |    =    |
  +---------+---------+---------+
  |              =              |
  +---------+---------+---------+
  |    =    |                >  |
  +---------+---------+---------+


                          +------------------+
                          | Some empty cells |
                          +------------------+

  +---+---+---+---+---+
  | A | B | C | D |   |
  +---+---+---+---+---+
  | F | G | H |   | J |
  +---+---+---+---+---+
  | K | L |   | N | O |
  +---+---+---+---+---+
  | P |   | R | S | T |
  +---+---+---+---+---+
  |   | V | W | X | Y |
  +---+---+---+---+---+


           +------------------------------------------------+
           | Lines with different number of cells, increase |
           +------------------------------------------------+

  +---+---+---+---+---+
  | 1 |   |   |   |   |
  +---+---+---+---+---+
  | 1 | 2 |   |   |   |
  +---+---+---+---+---+
  | 1 | 2 | 3 |   |   |
  +---+---+---+---+---+
  | 1 | 2 | 3 | 4 |   |
  +---+---+---+---+---+
  | 1 | 2 | 3 | 4 | 5 |
  +---+---+---+---+---+


           +------------------------------------------------+
           | Lines with different number of cells, decrease |
           +------------------------------------------------+

  +---+---+---+---+---+
  | 1 | 2 | 3 | 4 | 5 |
  +---+---+---+---+---+
  | 1 | 2 | 3 | 4 |   |
  +---+---+---+---+---+
  | 1 | 2 | 3 |   |   |
  +---+---+---+---+---+
  | 1 | 2 |   |   |   |
  +---+---+---+---+---+
  | 1 |   |   |   |   |
  +---+---+---+---+---+


                           +----------------+
                           | One cell table |
                           +----------------+

  +--------+
  | Cell 1 |
  +--------+


                      +-------------------------+
                      | One cell table + border |
                      +-------------------------+

  +--------+
  | Cell 1 |
  +--------+


                      +--------------------------+
                      | One cell table + heading |
                      +--------------------------+

  +--------+
  | Head 1 |
  +--------+


                 +-----------------------------------+
                 | One cell table + heading + border |
                 +-----------------------------------+

  +--------+
  | Head 1 |
  +--------+


                            +-------------+
                            | Empty lines |
                            +-------------+

  +---+
  |   |
  +---+
  |   |
  +---+
  |   |
  +---+