Created attachment 193985 [details] The recursive diff of the ports Duplicate '&optional' declaration in a 'yc-yomi' function definition causes the compile error. The attached patch fixes the problem.
A commit references this bug: Author: arved Date: Wed Jun 13 15:06:42 UTC 2018 New revision: 472327 URL: https://svnweb.freebsd.org/changeset/ports/472327 Log: Unbreak port PR: 228737 Submitted by: maintainer Changes: head/japanese/yc.el/Makefile head/japanese/yc.el/files/patch-yc.el
committed, thanks