commit 4ebaf18e9234bf58aae7a5c47fc15ec4c80812b6
from: Mechiel Lukkien <mechiel@ueber.net>
via: David du Colombier <0intro@gmail.com>
date: Fri Mar 23 11:05:33 2018 UTC

fontsrv: skip only the surrogate pairs

fontsrv wasn't rendering fontawesome icons,
which uses the private use area around 0xf000.

commit - 72fc31acb3d91224d1ebf8769076cc3c4e2d2ed5
commit + 4ebaf18e9234bf58aae7a5c47fc15ec4c80812b6
blob - f48f5b4967b2b607094cfdac0c41bc36e1512be6
blob + adb007c2e432e16d68e5194af519f20408dd2d45
--- src/cmd/fontsrv/osx.c
+++ src/cmd/fontsrv/osx.c
@@ -30,7 +30,7 @@ mapUnicode(char *name, int i)
 {
 	int j;
 
-	if(0xd800 <= i && i < 0xe0000) // surrogate pairs, will crash OS X libraries!
+	if(0xd800 <= i && i < 0xe000) // surrogate pairs, will crash OS X libraries!
 		return 0xfffd;
 	for(j=0; j<nelem(skipquotemap); j++) {
 		if(strstr(name, skipquotemap[j]))