[patch, libfortran] Fortran 2018: Support d0.d, e0.d, es0.d, en0.d, g0.d and ew.d e0 edit descriptors

[Thomas Koenig]

Hi Jerry,

> OK for trunk?

Looks good. I also think that your approach that DEC stuff should
be checked later is good.  If it passes the testsuite, that's good
enough for a commit.

Thanks for the patch!

Regards

	Thomas