[m-rev.] for review: fix mantis bug 404

[Zoltan Somogyi]

For review by Peter. The basic approach is the one you suggested.

Zoltan.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Log.bug404
Type: application/octet-stream
Size: 1297 bytes
Desc: not available
URL: <http://lists.mercurylang.org/archives/reviews/attachments/20160930/960b31a1/attachment.obj>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: DIFF.bug404
Type: application/octet-stream
Size: 16891 bytes
Desc: not available
URL: <http://lists.mercurylang.org/archives/reviews/attachments/20160930/960b31a1/attachment-0001.obj>