|includes : get_block|
Used by a parser to get a block.
Any other method of any other object can call this method. This is called 'public' access.
The data-type returned is "Pointer to @block"; The block that matches to name.
This method is contained in the object "includes".
The method takes the following arguments:
block : stringtype
The name of the block.
This method is overridden from an abstract method with the same signature found in the object @tglobj.
Return a "null".