* @encoding: this value is missing in libxml2's doc structure
* Since XML::LibXML will not know, is a certain node is already
- * defined in the perl layer, it can't s
hurely tell when a node can be
+ * defined in the perl layer, it can't surely tell when a node can be
* safely be removed from the memory. This structure helps to keep
* track how intense the nodes of a document are used and will not
* delete the nodes unless they are not refered from somewhere else.