be clearer that Terms and Terminators are not ops

Author: TimToady

S03-operators.pod

@@ -8,8 +8,8 @@ Synopsis 3: Operators
 
     Created: 8 Mar 2004
 
-    Last Modified: 29 Mar 2015
-    Version: 285
+    Last Modified: 7 Apr 2015
+    Version: 286
 
 =head1 Overview
 
@@ -20,11 +20,11 @@ For a summary of the changes from Perl 5, see L</Changes to Perl 5 operators>.
 Perl 6 has about the same number of precedence levels as Perl 5,
 but they're differently arranged in spots.  Here we list the
 levels from "tightest" to "loosest", along with a few examples of
-each level:
+each level.  (Column 'A' is for "associativity", see following table.)
 
     A  Level             Examples
     =  =====             ========
-    N  Terms             42 3.14 "eek" qq["foo"] $x :!verbose @$array
+    O  Terms             42 3.14 "eek" qq["foo"] $x :!verbose @$array
     L  Method postfix    .meth .+ .? .* .() .[] .{} .<> .«» .:: .= .^ .:
     N  Autoincrement     ++ --
     R  Exponentiation    **
@@ -49,7 +49,7 @@ each level:
     X  Loose and         and andthen
     X  Loose or          or xor orelse
     X  Sequencer         <== ==> <<== ==>>
-    N  Terminator        ; {...} unless extra ) ] }
+    O  Terminator        ; {...} unless extra ) ] }
 
 Using two C<!> symbols below generically to represent any pair of operators
 that have the same precedence, the associativities specified above
@@ -62,6 +62,7 @@ for binary operators are interpreted as follows:
     N   non       ILLEGAL
     C   chain     ($a ! $b) and ($b ! $c)
     X   list      infix:<!>($a; $b; $c)
+    O   N/A       (not really an operator)
 
 For unaries this is interpreted as: