Following the general software trend, it just keeps growing bigger and slower while still doing nothing new. But is this used anywhere, really? At least Bash uses its builtin.
[1] http://git.savannah.gnu.org/cgit/bash.git/plain/builtins/ech... http://git.savannah.gnu.org/cgit/bash.git/plain/support/rech... http://git.savannah.gnu.org/cgit/bash.git/plain/support/zech...
> while still doing nothing new
Really? So the GNU implementation is an exact match for the functionality of the SysV implementation? If so, I have a bridge I'd like to sell you...