his web page at http://www.zope.org/Members/gaaros/StructuredText:

  Structured Text module with table support

  A paragraph that has blocks of text enclosed in '||' is treated as a
  table. The text blocks correspond to table cells and table rows are
  denoted by newlines. By default the cells are center aligned. You can
  change the defaults by modifying the CELL,ROW and TABLE class
  attributes in class Table. A cell can span more than one column by
  preceding a block of text with an equivalent number of cell separators
  '||'. Newlines and '|' cannot be a part of the cell text. If you need
  newlines use <BR>. For example:

       |||| **Ingredients** ||
       || *Name* || *Amount* ||
       ||Spam||10||
       ||Eggs||3||