4b9631678f
- Advance ctold for f1 and ctnew for f2 - ungetc() if the character is unexpected - Don't break early when we hit the combination on one side PR: 230049 Reported by: maskray <emacsray gmail com> Reviewed by: bapt, maskray MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D16451