Core functions and Doc of Mappiamo updates

doc/manual_en.rst

@@ -606,25 +606,19 @@ If you want insert custom type you have to follow these steps:
 
 example of class.<newtype>.php::
 
-<?php
+    <?php
     class M_Newtype extends M_Post {
-
-            protected $type = ‘newtype’;
-            protected $kind;
-            protected $start = NULL;
-            protected $end = NULL;
-
-            public function __construct($id = NULL) {if ($id) {$this->read($id);}	}
-
-            public function get_start() {return $this->start;}
-
-            public function get_end() {return $this->end;	}
-
-            public function set_start($value) {$this->start = strval($value);}
-
-            public function set_end($value) {$this->end = strval($value);}
+    protected $type = ‘newtype’;
+    protected $kind;
+    protected $start = NULL;
+    protected $end = NULL;
+    public function __construct($id = NULL) {if ($id) {$this->read($id);}	}
+    public function get_start() {return $this->start;}
+    public function get_end() {return $this->end;	}
+    public function set_start($value) {$this->start = strval($value);}
+    public function set_end($value) {$this->end = strval($value);}
     }
-?>
+    ?>
 
 
 Call a model from controller