--- comment.c.orig	Tue Nov 16 20:11:38 1999
+++ comment.c	Tue Jan 14 16:17:17 2003
@@ -158,8 +158,11 @@
 
  if(comment)
    {
-    malloc_comment=Realloc(malloc_comment,strlen(comment)+1);
-    strcpy(malloc_comment,comment);
+    if(malloc_comment != comment)
+      {
+       malloc_comment=Realloc(malloc_comment,strlen(comment)+1);
+       strcpy(malloc_comment,comment);
+      }
     current_comment=malloc_comment;
    }
  else