update with latest clippy lints

src/bindings.rs

@@ -7141,7 +7141,7 @@ pub struct _xmlSAXLocator {
 /// the application can either:
 /// - override this resolveEntity() callback in the SAX block
 /// - or better use the xmlSetExternalEntityLoader() function to
-/// set up it's own entity resolution routine
+///   set up its own entity resolution routine
 ///
 /// Returns the xmlParserInputPtr if inlined or NULL for DOM behaviour.
 pub type resolveEntitySAXFunc = ::std::option::Option<
@@ -14206,8 +14206,10 @@ pub type xmlXPathFuncLookupFunc = ::std::option::Option<
 /// - a set of variable bindings
 /// - a function library
 /// - the set of namespace declarations in scope for the expression
+/// 
 /// Following the switch to hash tables, this need to be trimmed up at
 /// the next binary incompatible release.
+/// 
 /// The node may be modified when the context is passed to libxml2
 /// for an XPath evaluation so you may need to initialize it again
 /// before the next call.

src/parser.rs

@@ -72,7 +72,7 @@ pub struct ParserOptions<'a> {
   pub encoding: Option<&'a str>,
 }
 
-impl<'a> ParserOptions<'a> {
+impl ParserOptions<'_> {
   pub(crate) fn to_flags(&self, format: &ParseFormat) -> i32 {
     macro_rules! to_option_flag {
       (
@@ -103,7 +103,7 @@ impl<'a> ParserOptions<'a> {
   }
 }
 
-impl<'a> Default for ParserOptions<'a> {
+impl Default for ParserOptions<'_> {
   fn default() -> Self {
     ParserOptions {
       recover: true,
@@ -191,7 +191,7 @@ type XmlCloseCallback = unsafe extern "C" fn(*mut c_void) -> c_int;
 
 ///Convert usize to i32 safely.
 fn try_usize_to_i32(value: usize) -> Result<i32, XmlParseError> {
-  if cfg!(target_pointer_width = "16") || (value < i32::max_value() as usize) {
+  if cfg!(target_pointer_width = "16") || (value < i32::MAX as usize) {
     // Cannot safely use our value comparison, but the conversion if always safe.
     // Or, if the value can be safely represented as a 32-bit signed integer.
     Ok(value as i32)