doc colon pair as part of identifier

Author: gfldex

doc/Language/syntax.pod6

@@ -185,6 +185,16 @@ or automatically created packages.
     my Int $Foo::Bar::buzz = 42;
     dd $Foo::Bar::buzz; # OUTPUT«Int $v = 42␤»
 
+Identifiers can contain colon pairs. The entire colon pair becomes part of the
+name of the identifier.
+
+    my $foo:bar = 1;
+    my $foo:bar<2> = 2;
+    dd MY::.keys;
+    # OUTPUT«("\$=pod", "!UNIT_MARKER", "EXPORT", "\$_", "\$!", "::?PACKAGE",
+    # "GLOBALish", "\$¢", "\$=finish", "\$/", "\$foo:bar<1>", "\$foo:bar<2>",
+    # "\$?PACKAGE").Seq␤»
+
 =head1 Statements and Expressions
 
 Perl 6 programs are made of lists of statements. A special case of a statement