I removed the Symbola font and re-installed it. Now it works as expected in this pretest release: The symbol is displayed, without color, C-u c-x = shows that it is using the Symbola font. Sorry about the trouble and thanks again. > 在 2016年4月25日,19:00,Eli Zaretskii > 写道: > >> Date: Mon, 25 Apr 2016 19:33:33 +0900 >> From: YAMAMOTO Mitsuharu > >> Cc: ptr.wang@gmail.com , >> 23362@debbugs.gnu.org >> >>> IOW, if the default setting works fine, is there some non-default >>> setting we should be telling users to avoid, in order to have >>> these >>> symbols displayed (albeit without colors)? >> >> Installing some third-party monochrome emoji fonts? Unfortunately >> I'm >> not familiar with such fonts. > > Symbola should do, and the default fontset already assigns the emoji > block to it. Are there any issues with Symbola on OS X?