[m-rev.] diff: make quantification using var_tables the default.

[Zoltan Somogyi]

This does not need review.

Zoltan.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Log.nvt1
Type: application/octet-stream
Size: 560 bytes
Desc: not available
URL: <http://lists.mercurylang.org/archives/reviews/attachments/20220818/b37d5094/attachment-0002.obj>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: DIFF.nvt1
Type: application/octet-stream
Size: 101430 bytes
Desc: not available
URL: <http://lists.mercurylang.org/archives/reviews/attachments/20220818/b37d5094/attachment-0003.obj>