--- userdefs.h.orig	Mon Apr 11 02:42:17 2016
+++ userdefs.h	Sun Jun  5 00:31:29 2016
@@ -129,8 +129,8 @@
  * Mappings in these global and personal files override any VIEWER
  * definitions in lynx.cfg and built-in defaults from src/HTInit.c.
  */
-#define GLOBAL_MAILCAP "Lynx_Dir:mailcap"
-#define PERSONAL_MAILCAP ".mailcap"
+#define GLOBAL_MAILCAP "/dev/null"
+#define PERSONAL_MAILCAP "/dev/null"
 
 /**************************
  * XLOADIMAGE_COMMAND will be used as a default in src/HTInit.c
@@ -327,8 +327,8 @@
  * Mappings in these global and personal files override any VIEWER
  * definitions in lynx.cfg and built-in defaults from src/HTInit.c.
  */
-#define GLOBAL_MAILCAP MIME_LIBDIR "mailcap"
-#define PERSONAL_MAILCAP "~/.mailcap"
+#define GLOBAL_MAILCAP "/dev/null"
+#define PERSONAL_MAILCAP "/dev/null"
 
 /**************************
  * XLOADIMAGE_COMMAND will be used as a default in src/HTInit.c for
@@ -345,7 +345,7 @@
  * use any default viewers for image types.  Note that open is used as
  * the default for NeXT, instead of the XLOADIMAGE_COMMAND definition.
  */
-#define XLOADIMAGE_COMMAND "xli %s &"
+#define XLOADIMAGE_COMMAND NULL
 
 /**************************
  * For UNIX systems, SYSTEM_MAIL and SYSTEM_MAIL_FLAGS are set by the