===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/less/cmdbuf.c,v
retrieving revision 1.17
retrieving revision 1.18
diff -c -r1.17 -r1.18
*** src/usr.bin/less/cmdbuf.c	2019/05/15 18:06:09	1.17
--- src/usr.bin/less/cmdbuf.c	2019/05/15 19:06:01	1.18
***************
*** 1069,1075 ****
  retry:
  			cmd_mbc_buf_index = 1;
  			*cmd_mbc_buf = c & 0xff;
! 			if (IS_ASCII_OCTET(c))
  				cmd_mbc_buf_len = 1;
  			else if (IS_UTF8_LEAD(c)) {
  				cmd_mbc_buf_len = utf_len(c);
--- 1069,1075 ----
  retry:
  			cmd_mbc_buf_index = 1;
  			*cmd_mbc_buf = c & 0xff;
! 			if (isascii((unsigned char)c))
  				cmd_mbc_buf_len = 1;
  			else if (IS_UTF8_LEAD(c)) {
  				cmd_mbc_buf_len = utf_len(c);