5to6: move method call section to the top

lib/Language/5to6.pod

@@ -44,6 +44,26 @@ promising.
 
 =head2 Syntax
 
+=head3 C«->» Method calls
+
+If you've read any Perl 6 code at all, it's immediately obvious that
+method call syntax now uses a dot instead of an arrow:
+
+    $person->name  # Perl 5
+    $person.name   # Perl 6
+
+The dot notation is both easier to type and more of an industry standard.
+But we also wanted to steal the arrow for something else.  (Concatenation
+is now done with the C<~> operator, if you were wondering.)
+
+To call a method whose name is not known until runtime:
+
+    $object->$methodname(@args);  # Perl 5
+    $object."$methodname"(@args); # Perl 6
+
+If you leave out the quotes, then Perl 6 expects C<$methodname> to contain
+a C<Method> object, rather than the simple string name of the method.
+
 =head3 Whitespace
 
 Perl 5 allows a surprising amount of flexibility in the use of whitespace,
@@ -283,26 +303,6 @@ And here's just one possible Perl 6 translation:
     my $in-file = open $path or die;
     my ($line1, $line2) = read-n($in-file, 2);
 
-=head3 C«->» Method calls
-
-If you've read any Perl 6 code at all, it's immediately obvious that
-method call syntax now uses a dot instead of an arrow:
-
-    $person->name  # Perl 5
-    $person.name   # Perl 6
-
-The dot notation is both easier to type and more of an industry standard.
-But we also wanted to steal the arrow for something else.  (Concatenation
-is now done with the C<~> operator, if you were wondering.)
-
-To call a method whose name is not known until runtime:
-
-    $object->$methodname(@args);  # Perl 5
-    $object."$methodname"(@args); # Perl 6
-
-If you leave out the quotes, then Perl 6 expects C<$methodname> to contain
-a C<Method> object, rather than the simple string name of the method.
-
 =head3 Reference creation
 
 =comment TODO: Rewrite this section to make it clear that the "referencing/