FWIW here's a better patch that doesn't use TOG wording:

Index: intro.1
===================================================================
RCS file: /cvsroot/src/share/man/man1/intro.1,v
retrieving revision 1.10
diff -u -r1.10 intro.1
--- intro.1	10 Nov 2004 16:35:57 -0000	1.10
+++ intro.1	27 Nov 2006 00:56:18 -0000
@@ -50,6 +202,16 @@
  formatted output tools,
  and line printer commands.
  .Pp
+Many of the commands use the
+.Xr getopt 3
+function for parsing of command line options.
+For those commands the argument
+.Dq --
+indicates the end of options, and any following arguments
+are assumed to be operands, even if they begin with a
+.Sq -
+character.
+.Pp
  All commands set a status value upon exit which may be tested
  to see if the command completed normally.
  The exit values and their meanings are explained in the individual


  - Hubert