Allows to configure the given node to be empty. A axlNode is empty when it is known that the node doesn't have any content inside it as a child element. If the node has content, and the value provided to this function is true, the function will deallocate the content inside. You can use this function to clear all the node content (ITEM_CONTENT and ITEM_CDATA) found inside the node, as follows: // clear all content inside axl_node_set_is_empty (node, true);
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