diff --git a/ChangeLog b/ChangeLog
index 37ef8f46..912daeb2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Jul 27 10:03:56 EDT 2001 Daniel Veillard <Daniel.Veillard@imag.fr>
+
+	* parser.c include/libxml/parser.h: applied const patches from
+	  Tom Moog #58002
+
 Thu Jul 26 18:55:52 CEST 2001 Thomas Broyer <tbroyer@ltgt.net>
 
 	* xpath.c include/libxml/xpath{,Internals}.h: added a function
diff --git a/include/libxml/parser.h b/include/libxml/parser.h
index b87d9729..4b84cf6e 100644
--- a/include/libxml/parser.h
+++ b/include/libxml/parser.h
@@ -416,7 +416,7 @@ xmlChar *	xmlStrncat		(xmlChar *cur,
  * Basic parsing Interfaces
  */
 xmlDocPtr	xmlParseDoc		(xmlChar *cur);
-xmlDocPtr	xmlParseMemory		(char *buffer,
+xmlDocPtr	xmlParseMemory		(const char *buffer,
 					 int size);
 xmlDocPtr	xmlParseFile		(const char *filename);
 int		xmlSubstituteEntitiesDefault(int val);
@@ -429,7 +429,7 @@ int		xmlLineNumbersDefault	(int val);
  * Recovery mode 
  */
 xmlDocPtr	xmlRecoverDoc		(xmlChar *cur);
-xmlDocPtr	xmlRecoverMemory	(char *buffer,
+xmlDocPtr	xmlRecoverMemory	(const char *buffer,
 					 int size);
 xmlDocPtr	xmlRecoverFile		(const char *filename);
 
@@ -449,7 +449,7 @@ int		xmlSAXUserParseMemory	(xmlSAXHandlerPtr sax,
 					 const char *buffer,
 					 int size);
 xmlDocPtr	xmlSAXParseMemory	(xmlSAXHandlerPtr sax,
-					 char *buffer,
+					 const char *buffer,
                                    	 int size,
 					 int recovery);
 xmlDocPtr	xmlSAXParseFile		(xmlSAXHandlerPtr sax,
diff --git a/parser.c b/parser.c
index b6131a41..c14b8533 100644
--- a/parser.c
+++ b/parser.c
@@ -9861,7 +9861,8 @@ xmlCreateMemoryParserCtxt(const char *buffer, int size) {
  * Returns the resulting document tree
  */
 xmlDocPtr
-xmlSAXParseMemory(xmlSAXHandlerPtr sax, char *buffer, int size, int recovery) {
+xmlSAXParseMemory(xmlSAXHandlerPtr sax, const char *buffer,
+	          int size, int recovery) {
     xmlDocPtr ret;
     xmlParserCtxtPtr ctxt;
 
@@ -9896,7 +9897,7 @@ xmlSAXParseMemory(xmlSAXHandlerPtr sax, char *buffer, int size, int recovery) {
  * Returns the resulting document tree
  */
 
-xmlDocPtr xmlParseMemory(char *buffer, int size) {
+xmlDocPtr xmlParseMemory(const char *buffer, int size) {
    return(xmlSAXParseMemory(NULL, buffer, size, 0));
 }
 
@@ -9911,7 +9912,7 @@ xmlDocPtr xmlParseMemory(char *buffer, int size) {
  * Returns the resulting document tree
  */
 
-xmlDocPtr xmlRecoverMemory(char *buffer, int size) {
+xmlDocPtr xmlRecoverMemory(const char *buffer, int size) {
    return(xmlSAXParseMemory(NULL, buffer, size, 1));
 }