Big space and tab cleanup

Remove all space before tabs and space and tabs at end of lines.
diff --git a/include/libxml/encoding.h b/include/libxml/encoding.h
index 3a3b9b2..7967cc6 100644
--- a/include/libxml/encoding.h
+++ b/include/libxml/encoding.h
@@ -163,32 +163,32 @@
 /*
  * 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);
@@ -202,12 +202,12 @@
 	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);
@@ -215,20 +215,20 @@
 	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,