Easy change in this case, since it doesn't seem clear what backwards compatibility is trying to be preserved.
--- /usr/src/bin/ed/io.c Wed Nov 12 08:50:07 2014 +++ /home/ben/src/io.c Sun Nov 23 19:47:02 2014 @@ -336,10 +336,8 @@ } else putchar(*s); } -#ifndef BACKWARDS if (gflag & GLS) putchar('$'); -#endif putchar('\n'); return 0; } [demime 1.01d removed an attachment of type application/pgp-signature]