diff --git a/Python/ceval.c b/Python/ceval.c
index ec279bf..c75caf6 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -617,18 +617,20 @@
 	COMPARE_OP is often followed by JUMP_IF_FALSE or JUMP_IF_TRUE.  And,
 	those opcodes are often followed by a POP_TOP.
 
-	Verifying the prediction costs a single high-speed test of register
+	Verifying the prediction costs a single high-speed test of a register
 	variable against a constant.  If the pairing was good, then the
-	processor has a high likelihood of making its own successful branch
-	prediction which results in a nearly zero overhead transition to the
-	next opcode.
+	processor's own internal branch predication has a high likelihood of
+	success, resulting in a nearly zero-overhead transition to the
+	next opcode.  A successful prediction saves a trip through the eval-loop
+	including its two unpredictable branches, the HAS_ARG test and the 
+	switch-case.  Combined with the processor's internal branch prediction,
+	a successful PREDICT has the effect of making the two opcodes run as if 
+	they were a single new opcode with the bodies combined.
 
-	A successful prediction saves a trip through the eval-loop including
-	its two unpredictable branches, the HAS_ARG test and the switch-case.
-
-        If collecting opcode statistics, turn off prediction so that
-	statistics are accurately maintained (the predictions bypass
-	the opcode frequency counter updates).
+    If collecting opcode statistics, your choices are to either keep the
+	predictions turned-on and interpret the results as if some opcodes
+	had been combined or turn-off predictions so that the opcode frequency
+	counter updates for both opcodes.
 */
 
 #ifdef DYNAMIC_EXECUTION_PROFILE
diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index d13563f..3a6cc91 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -229,14 +229,14 @@
 	if (install_sigs)
 		initsigs(); /* Signal handling stuff, including initintr() */
 		
-    /* Initialize warnings. */
-    _PyWarnings_Init();
-    if (PySys_HasWarnOptions()) {
-        PyObject *warnings_module = PyImport_ImportModule("warnings");
-        if (!warnings_module)
-            PyErr_Clear();
-        Py_XDECREF(warnings_module);
-    }
+	/* Initialize warnings. */
+	_PyWarnings_Init();
+	if (PySys_HasWarnOptions()) {
+		PyObject *warnings_module = PyImport_ImportModule("warnings");
+		if (!warnings_module)
+			PyErr_Clear();
+		Py_XDECREF(warnings_module);
+	}
 
 	initmain(); /* Module __main__ */
 	if (!Py_NoSiteFlag)
@@ -1246,7 +1246,7 @@
 	PyException_SetTraceback(v, tb);
 	if (exception == NULL)
 		return;
-        /* Now we know v != NULL too */
+	/* Now we know v != NULL too */
 	if (set_sys_last_vars) {
 		PySys_SetObject("last_type", exception);
 		PySys_SetObject("last_value", v);
@@ -2096,14 +2096,14 @@
 PyAPI_FUNC(PyObject *)
 PyRun_File(FILE *fp, const char *p, int s, PyObject *g, PyObject *l)
 {
-        return PyRun_FileExFlags(fp, p, s, g, l, 0, NULL);
+	return PyRun_FileExFlags(fp, p, s, g, l, 0, NULL);
 }
 
 #undef PyRun_FileEx
 PyAPI_FUNC(PyObject *)
 PyRun_FileEx(FILE *fp, const char *p, int s, PyObject *g, PyObject *l, int c)
 {
-        return PyRun_FileExFlags(fp, p, s, g, l, c, NULL);
+	return PyRun_FileExFlags(fp, p, s, g, l, c, NULL);
 }
 
 #undef PyRun_FileFlags
@@ -2111,7 +2111,7 @@
 PyRun_FileFlags(FILE *fp, const char *p, int s, PyObject *g, PyObject *l,
 		PyCompilerFlags *flags)
 {
-        return PyRun_FileExFlags(fp, p, s, g, l, 0, flags);
+	return PyRun_FileExFlags(fp, p, s, g, l, 0, flags);
 }
 
 #undef PyRun_SimpleFile