Upgrade to libxml 2.9.2 and libxslt 1.1.28

third_party/libxml/src/include/libxml/encoding.h

Index: third_party/libxml/src/include/libxml/encoding.h
diff --git a/third_party/libxml/src/include/libxml/encoding.h b/third_party/libxml/src/include/libxml/encoding.h
index b5f8b48447223af049e57ca315414f3a09831f96..7967cc66a965f9381e2c569d153943fb2b7593c8 100644
--- a/third_party/libxml/src/include/libxml/encoding.h
+++ b/third_party/libxml/src/include/libxml/encoding.h
@@ -26,24 +26,9 @@
 
 #ifdef LIBXML_ICONV_ENABLED
 #include <iconv.h>
-#else 
+#endif
 #ifdef LIBXML_ICU_ENABLED
 #include <unicode/ucnv.h>
-#if 0
-/* Forward-declare UConverter here rather than pulling in <unicode/ucnv.h>
- * to prevent unwanted ICU symbols being exposed to users of libxml2.
- * One particular case is Qt4 conflicting on UChar32.
- */
-#include <stdint.h>
-struct UConverter;
-typedef struct UConverter UConverter;
-#ifdef _MSC_VER
-typedef wchar_t UChar;
-#else
-typedef uint16_t UChar;
-#endif
-#endif
-#endif
 #endif
 #ifdef __cplusplus
 extern "C" {
@@ -178,32 +163,32 @@ extern "C" {
 /*
  * Interfaces for encoding handlers.
  */
-XMLPUBFUN void XMLCALL	
+XMLPUBFUN void XMLCALL
 	xmlInitCharEncodingHandlers	(void);
-XMLPUBFUN void XMLCALL	
+XMLPUBFUN void XMLCALL
 	xmlCleanupCharEncodingHandlers	(void);
-XMLPUBFUN void XMLCALL	
+XMLPUBFUN void XMLCALL
 	xmlRegisterCharEncodingHandler	(xmlCharEncodingHandlerPtr handler);
 XMLPUBFUN xmlCharEncodingHandlerPtr XMLCALL
 	xmlGetCharEncodingHandler	(xmlCharEncoding enc);
 XMLPUBFUN xmlCharEncodingHandlerPtr XMLCALL
 	xmlFindCharEncodingHandler	(const char *name);
 XMLPUBFUN xmlCharEncodingHandlerPtr XMLCALL
-	xmlNewCharEncodingHandler	(const char *name, 
-                          		 xmlCharEncodingInputFunc input,
-                          		 xmlCharEncodingOutputFunc output);
+	xmlNewCharEncodingHandler	(const char *name,
+					 xmlCharEncodingInputFunc input,
+					 xmlCharEncodingOutputFunc output);
 
 /*
  * Interfaces for encoding names and aliases.
  */
-XMLPUBFUN int XMLCALL	
+XMLPUBFUN int XMLCALL
 	xmlAddEncodingAlias		(const char *name,
 					 const char *alias);
-XMLPUBFUN int XMLCALL	
+XMLPUBFUN int XMLCALL
 	xmlDelEncodingAlias		(const char *alias);
 XMLPUBFUN const char * XMLCALL
 	xmlGetEncodingAlias		(const char *alias);
-XMLPUBFUN void XMLCALL	
+XMLPUBFUN void XMLCALL
 	xmlCleanupEncodingAliases	(void);
 XMLPUBFUN xmlCharEncoding XMLCALL
 	xmlParseCharEncoding		(const char *name);
@@ -217,12 +202,12 @@ XMLPUBFUN xmlCharEncoding XMLCALL
 	xmlDetectCharEncoding		(const unsigned char *in,
 					 int len);
 
-XMLPUBFUN int XMLCALL	
+XMLPUBFUN int XMLCALL
 	xmlCharEncOutFunc		(xmlCharEncodingHandler *handler,
 					 xmlBufferPtr out,
 					 xmlBufferPtr in);
 
-XMLPUBFUN int XMLCALL	
+XMLPUBFUN int XMLCALL
 	xmlCharEncInFunc		(xmlCharEncodingHandler *handler,
 					 xmlBufferPtr out,
 					 xmlBufferPtr in);
@@ -230,20 +215,20 @@ XMLPUBFUN int XMLCALL
 	xmlCharEncFirstLine		(xmlCharEncodingHandler *handler,
 					 xmlBufferPtr out,
 					 xmlBufferPtr in);
-XMLPUBFUN int XMLCALL	
+XMLPUBFUN int XMLCALL
 	xmlCharEncCloseFunc		(xmlCharEncodingHandler *handler);
 
 /*
  * Export a few useful functions
  */
 #ifdef LIBXML_OUTPUT_ENABLED
-XMLPUBFUN int XMLCALL	
+XMLPUBFUN int XMLCALL
 	UTF8Toisolat1			(unsigned char *out,
 					 int *outlen,
 					 const unsigned char *in,
 					 int *inlen);
 #endif /* LIBXML_OUTPUT_ENABLED */
-XMLPUBFUN int XMLCALL	
+XMLPUBFUN int XMLCALL
 	isolat1ToUTF8			(unsigned char *out,
 					 int *outlen,
 					 const unsigned char *in,