org-export-with-tables

org-export-with-tables is a variable defined in `ox.el'.
Its value is

t

Documentation:
If non-nil, lines starting with "|" define a table.
For example:

| Name | Address | Birthday |
|-------------+----------+-----------|
| Arthur Dent | England | 29.2.2100 |

This option can also be set with the OPTIONS keyword,
e.g. "|:nil".

You can customize this variable.