Subject: "--" syntax for ignoring flags doesn't seem to work right with GNU /bin/echo
From: "Robert \"Finny\" Merrill" <[email-masked]>
To: [email-masked]
Date: Fri, 4 Sep 2015 11:57:30 -0700
List-Id: <debbugs-submit.debbugs.gnu.org>

~/workspaces/diags-dev/s1 @bs360.sjc> /bin/echo --help
Usage: /bin/echo [SHORT-OPTION]... [STRING]...
  or:  /bin/echo LONG-OPTION
Echo the STRING(s) to standard output.
*snip*
~/workspaces/diags-dev/s1 @bs360.sjc> /bin/echo -- --help
-- --help
~/workspaces/diags-dev/s1 @bs360.sjc>

There doesn't seem to be a way to get /bin/echo to output the string "--help"