[m-rev.] for post-commit review: make --output-compiler-error-lines a maybe_int option

[Zoltan Somogyi]

... with a "no" meaning "no limit".

For review by anyone.

Zoltan.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Log.ocel
Type: application/octet-stream
Size: 565 bytes
Desc: not available
URL: <http://lists.mercurylang.org/archives/reviews/attachments/20230806/b1e2c756/attachment.obj>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: DIFF.ocel
Type: application/octet-stream
Size: 6005 bytes
Desc: not available
URL: <http://lists.mercurylang.org/archives/reviews/attachments/20230806/b1e2c756/attachment-0001.obj>