{
  "function": "wordwrap",
  "description": "Returns a string wrapped to a maximum/minimum number of characters.",
  "arguments": [ {"arg":"string","description":"the string to be wrapped"},
                 {"arg":"wrap_length","description":"an integer. If wrap_length is positive the number represents the ideal maximum number of characters to wrap; if negative, the number represents the minimum number of characters to wrap."},
                 {"arg":"delimiter_string","description":"the delimiter string to wrap to a new line (optional)."}
                 ],
  "examples": [ { "expression":"wordwrap('UNIVERSITY OF QGIS',13)", "returns":"'UNIVERSITY OF\nQGIS'"},
  { "expression":"wordwrap('UNIVERSITY OF QGIS',-3)", "returns":"'UNIVERSITY\nOF QGIS'"} ]
}