[m-rev.] for post-commit review: use color in post_typecheck.m

[Zoltan Somogyi]

For review by anyone. The diff adds a new XXX about
a possible improvement, which I would like your opinions on.

Zoltan.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Log.cptc
Type: application/octet-stream
Size: 890 bytes
Desc: not available
URL: <http://lists.mercurylang.org/archives/reviews/attachments/20240509/8fea46d8/attachment-0002.obj>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: DIFF.cptc
Type: application/octet-stream
Size: 26858 bytes
Desc: not available
URL: <http://lists.mercurylang.org/archives/reviews/attachments/20240509/8fea46d8/attachment-0003.obj>