This patch "fixes" it for me. Don't know how to fix it correctly yet.
141,142c141,142
< { XK_KP_Delete, XK_ANY_MOD, "\033[P", -1, 0, 0},
< { XK_KP_Delete, XK_ANY_MOD, "\033[3~", +1, 0, 0},
---
> /* { XK_KP_Delete, XK_ANY_MOD, "\033[P", -1, 0, 0},*/
> { XK_KP_Delete, XK_ANY_MOD, "\033[3~", 0, 0, 0},
197,198c197,198
< { XK_Delete, XK_ANY_MOD, "\033[P", -1, 0, 0},
< { XK_Delete, XK_ANY_MOD, "\033[3~", +1, 0, 0},
---
> /* { XK_Delete, XK_ANY_MOD, "\033[P", -1, 0, 0},*/
> { XK_Delete, XK_ANY_MOD, "\033[3~", 0, 0, 0},