Jack Maguire

Sorry if there's a reason `name[0]` was chosen on purpose, but it is unreliable for atoms such as "1H"

Negative unit test for bad patches

9

I'm making a unit test out of [my recent post in the debugging channel](https://rosettacommons.slack.com/archives/C1YUVUD5E/p1728433183443519). It may not be the perfect error message but it is better than a seg fault...