> I have no idea what this change was for. And while I have found
> references to \OHORN, \ohorn, \UHORN, and \uhorn in The
> Comprehensive LateX Symbol List, I havenʼt found references to
> \horn. So maybe, it is best if I just revert this change.
`\horn' is a virtual accent used in t5enc.def (in the vntex bundle).
Werner