having restype='row' for row groups in table filter

[Former user]

Original [issue 98](https://code.google.com/p/okapi/issues/detail?id=98) created by @ysavourel on 2009-07-23T12:06:05.000Z:

It may be useful to have the type of the groups delimiting rows set as 'row' (an XLIFF listed values for restype). Currently no type is associated to the row groups.

[Former user]

Comment [1.](https://code.google.com/p/okapi/issues/detail?id=98#c1) originally posted by @ysavourel on 2009-08-27T23:08:07.000Z: