Adds three more CXs refs #1268

doc/Type/CX/Last.pod6

@@ -0,0 +1,26 @@
+=begin pod
+
+=TITLE role CX::Last
+
+=SUBTITLE Last control exception
+
+    role CX::Last does X::Control { }
+
+A L<control exception|/language/exceptions#Control_exceptions> that is thrown
+when C<last> is called; since Rakudo 2019.03, C<throw>ing an C<X::Control>
+object raises a control exception which is caught by the L<CONTROL
+phaser|/language/phasers#CONTROL> instead of L<CATCH|/language/phasers#CATCH>.
+
+=head1 Methods
+
+=head2 method message
+
+Defined as:
+
+    method message()
+
+Returns "<last control exception>". Since this type of exception is to be
+consumed by type and not really by the content of the message, this is a generic
+message, similar to all other C<CX::*> exceptions.
+
+=end pod

doc/Type/CX/Redo.pod6

@@ -0,0 +1,24 @@
+=begin pod
+
+=TITLE role CX::Redo
+
+=SUBTITLE Redo control exception
+
+    role CX::Redo does X::Control { }
+
+A L<control exception|/language/exceptions#Control_exceptions> thrown when
+C<redo> is called; since Rakudo 2019.03, C<throw>ing an C<X::Control> object
+raises a control exception which is caught by the L<CONTROL
+phaser|/language/phasers#CONTROL> instead of L<CATCH|/language/phasers#CATCH>.
+
+=head1 Methods
+
+=head2 method message
+
+Defined as:
+
+    method message()
+
+Returns "<redo control exception>".
+
+=end pod

doc/Type/CX/Take.pod6

@@ -0,0 +1,24 @@
+=begin pod
+
+=TITLE role CX::Take
+
+=SUBTITLE Take control exception
+
+    role CX::Take does X::Control { }
+
+A L<control exception|/language/exceptions#Control_exceptions> triggered by
+C<take>; since Rakudo 2019.03, C<throw>ing an C<X::Control> object raises a
+control exception which is caught by the L<CONTROL
+phaser|/language/phasers#CONTROL> instead of L<CATCH|/language/phasers#CATCH>.
+
+=head1 Methods
+
+=head2 method message
+
+Defined as:
+
+    method message()
+
+Returns "<take control exception>".
+
+=end pod