Reindexed infix/list =

Which were generating a dummy syntax page named infix .html. This
closes #2320.

Author: JJ

doc/Language/operators.pod6

@@ -2199,7 +2199,8 @@ This operator cannot be overloaded, as it's handled specially by the compiler.
 
 =head1 Item assignment precedence
 
-=head2 X<infix C«=»|item =>
+X<|item =>
+=head2 infix C«=»
 
 =begin code :skip-test
 sub infix:<=>(Mu $a is rw, Mu $b)
@@ -2384,10 +2385,11 @@ well, so they are also checked against the endpoint:
 
 =head1 List prefix precedence
 
-=head2 X<infix C«=»|list =>
+X<|list =>
+=head2 infix C«=»
 
-X<List assignment operator>. Its exact semantics are left to the container type on the
-left-hand side. See L<Array> and L<Hash> for common cases.
+X<List assignment operator>. Its exact semantics are left to the container type
+on the left-hand side. See L<Array> and L<Hash> for common cases.
 
 The distinction between item assignment and list assignment is determined by
 the parser depending on the syntax of the left-hand side.
@@ -2574,14 +2576,15 @@ good-things() notandthen 'boo'.say;
 
 Same as L<infix C<||>|#infix || >, except with looser precedence.
 
-Returns the first argument that evaluates to C<True> in boolean context,
-or otherwise the last argument, it short-circuits. Please note that C<or> is easy
+Returns the first argument that evaluates to C<True> in boolean context, or
+otherwise the last argument, it short-circuits. Please note that C<or> is easy
 to misuse. See L<traps|/language/traps#Loose_boolean_operators>.
 
 X<|orelse>
 =head2 infix C«orelse»
 
-The C<orelse> operator is similar to C<infix //>, except with looser precedence and C<$_> aliasing.
+The C<orelse> operator is similar to C<infix //>, except with looser precedence
+and C<$_> aliasing.
 
 Returns the first defined argument, or else the last argument. Last argument
 is returned as-is, without being checked for definedness at all.