MacOS High Sierra 10.13.1 - Pd 0.50.2
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RESULTS

I proposed a pull request to fix this
https://github.com/pure-data/pure-data/pull/753
and for the problem you mentioned : https://github.com/pure-data/pure-data/pull/753#issuecomment-535850452
@jyg Do you reckon I should close this though?
No I don't think so. However, the PR should be merged with the new pd release.
I'm checking this.
UPDATE: I can confirm this on macOS 10.14 with Pd 0.50-2.
update/0.50 branch.is this merged and can be closed?
Yes
@Spacechild1 , please close this :)