diff --git a/src/eval.c b/src/eval.c
index d93836a..8bf243e 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -474,6 +474,7 @@
 static void f_acos __ARGS((typval_T *argvars, typval_T *rettv));
 #endif
 static void f_add __ARGS((typval_T *argvars, typval_T *rettv));
+static void f_and __ARGS((typval_T *argvars, typval_T *rettv));
 static void f_append __ARGS((typval_T *argvars, typval_T *rettv));
 static void f_argc __ARGS((typval_T *argvars, typval_T *rettv));
 static void f_argidx __ARGS((typval_T *argvars, typval_T *rettv));
@@ -602,6 +603,7 @@
 static void f_inputsave __ARGS((typval_T *argvars, typval_T *rettv));
 static void f_inputsecret __ARGS((typval_T *argvars, typval_T *rettv));
 static void f_insert __ARGS((typval_T *argvars, typval_T *rettv));
+static void f_invert __ARGS((typval_T *argvars, typval_T *rettv));
 static void f_isdirectory __ARGS((typval_T *argvars, typval_T *rettv));
 static void f_islocked __ARGS((typval_T *argvars, typval_T *rettv));
 static void f_items __ARGS((typval_T *argvars, typval_T *rettv));
@@ -640,6 +642,7 @@
 #endif
 static void f_nextnonblank __ARGS((typval_T *argvars, typval_T *rettv));
 static void f_nr2char __ARGS((typval_T *argvars, typval_T *rettv));
+static void f_or __ARGS((typval_T *argvars, typval_T *rettv));
 static void f_pathshorten __ARGS((typval_T *argvars, typval_T *rettv));
 #ifdef FEAT_FLOAT
 static void f_pow __ARGS((typval_T *argvars, typval_T *rettv));
@@ -751,6 +754,7 @@
 static void f_winsaveview __ARGS((typval_T *argvars, typval_T *rettv));
 static void f_winwidth __ARGS((typval_T *argvars, typval_T *rettv));
 static void f_writefile __ARGS((typval_T *argvars, typval_T *rettv));
+static void f_xor __ARGS((typval_T *argvars, typval_T *rettv));
 
 static int list2fpos __ARGS((typval_T *arg, pos_T *posp, int *fnump));
 static pos_T *var2fpos __ARGS((typval_T *varp, int dollar_lnum, int *fnum));
@@ -7715,6 +7719,7 @@
     {"acos",		1, 1, f_acos},	/* WJMc */
 #endif
     {"add",		2, 2, f_add},
+    {"and",		2, 2, f_and},
     {"append",		2, 2, f_append},
     {"argc",		0, 0, f_argc},
     {"argidx",		0, 0, f_argidx},
@@ -7850,6 +7855,7 @@
     {"inputsave",	0, 0, f_inputsave},
     {"inputsecret",	1, 2, f_inputsecret},
     {"insert",		2, 3, f_insert},
+    {"invert",		1, 1, f_invert},
     {"isdirectory",	1, 1, f_isdirectory},
     {"islocked",	1, 1, f_islocked},
     {"items",		1, 1, f_items},
@@ -7888,6 +7894,7 @@
 #endif
     {"nextnonblank",	1, 1, f_nextnonblank},
     {"nr2char",		1, 1, f_nr2char},
+    {"or",		2, 2, f_or},
     {"pathshorten",	1, 1, f_pathshorten},
 #ifdef FEAT_FLOAT
     {"pow",		2, 2, f_pow},
@@ -7999,6 +8006,7 @@
     {"winsaveview",	0, 0, f_winsaveview},
     {"winwidth",	1, 1, f_winwidth},
     {"writefile",	2, 3, f_writefile},
+    {"xor",		2, 2, f_xor},
 };
 
 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
@@ -8572,6 +8580,18 @@
 }
 
 /*
+ * "and(expr, expr)" function
+ */
+    static void
+f_and(argvars, rettv)
+    typval_T	*argvars;
+    typval_T	*rettv;
+{
+    rettv->vval.v_number = get_tv_number_chk(&argvars[0], NULL)
+					& get_tv_number_chk(&argvars[1], NULL);
+}
+
+/*
  * "append(lnum, string/list)" function
  */
     static void
@@ -12958,6 +12978,17 @@
 }
 
 /*
+ * "invert(expr)" function
+ */
+    static void
+f_invert(argvars, rettv)
+    typval_T	*argvars;
+    typval_T	*rettv;
+{
+    rettv->vval.v_number = ~get_tv_number_chk(&argvars[0], NULL);
+}
+
+/*
  * "isdirectory()" function
  */
     static void
@@ -14108,6 +14139,18 @@
 }
 
 /*
+ * "or(expr, expr)" function
+ */
+    static void
+f_or(argvars, rettv)
+    typval_T	*argvars;
+    typval_T	*rettv;
+{
+    rettv->vval.v_number = get_tv_number_chk(&argvars[0], NULL)
+					| get_tv_number_chk(&argvars[1], NULL);
+}
+
+/*
  * "pathshorten()" function
  */
     static void
@@ -18394,6 +18437,19 @@
 }
 
 /*
+ * "xor(expr, expr)" function
+ */
+    static void
+f_xor(argvars, rettv)
+    typval_T	*argvars;
+    typval_T	*rettv;
+{
+    rettv->vval.v_number = get_tv_number_chk(&argvars[0], NULL)
+					^ get_tv_number_chk(&argvars[1], NULL);
+}
+
+
+/*
  * Translate a String variable into a position.
  * Returns NULL when there is an error.
  */