Index: XML-Parser-2.34/Expat/Expat.xs
===================================================================
--- XML-Parser-2.34.orig/Expat/Expat.xs
+++ XML-Parser-2.34/Expat/Expat.xs
@@ -108,9 +108,9 @@ typedef struct {
 
 static HV* EncodingTable = NULL;
 
-static XML_Char nsdelim[] = {NSDELIM, '\0'};
+static const XML_Char nsdelim[] = {NSDELIM, '\0'};
 
-static char *QuantChar[] = {"", "?", "*", "+"};
+static const char QuantChar[][2] = {"", "?", "*", "+"};
 
 /* Forward declarations */
 
@@ -191,7 +191,7 @@ myfree(void *p) {
   Safefree(p);
 }
 
-static XML_Memory_Handling_Suite ms = {mymalloc, myrealloc, myfree};
+static const XML_Memory_Handling_Suite ms = {mymalloc, myrealloc, myfree};
 
 static void
 append_error(XML_Parser parser, char * err)