Try harder to stay within the 79-column limit. There's still two places that go (way) over, but those are harder to fix without suffering in readability.
diff --git a/Python/ceval.c b/Python/ceval.c
index b80f8ad..245b08c 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -28,8 +28,9 @@
 typedef unsigned long long uint64;
 
 #if defined(__ppc__) /* <- Don't know if this is the correct symbol; this
-			   section should work for GCC on any PowerPC platform,
-			   irrespective of OS.  POWER?  Who knows :-) */
+			   section should work for GCC on any PowerPC
+			   platform, irrespective of OS.
+			   POWER?  Who knows :-) */
 
 #define READ_TIMESTAMP(var) ppc_getcounter(&var)
 
@@ -93,7 +94,8 @@
 static PyObject * fast_function(PyObject *, PyObject ***, int, int, int);
 static PyObject * do_call(PyObject *, PyObject ***, int, int);
 static PyObject * ext_do_call(PyObject *, PyObject ***, int, int, int);
-static PyObject * update_keyword_args(PyObject *, int, PyObject ***,PyObject *);
+static PyObject * update_keyword_args(PyObject *, int, PyObject ***,
+				      PyObject *);
 static PyObject * update_star_args(int, int, PyObject *, PyObject ***);
 static PyObject * load_args(PyObject ***, int);
 #define CALL_FLAG_VAR 1
@@ -504,7 +506,8 @@
 PyObject *
 PyEval_EvalFrame(PyFrameObject *f) {
 	/* This is for backward compatibility with extension modules that
-           used this API; core interpreter code should call PyEval_EvalFrameEx() */
+           used this API; core interpreter code should call
+           PyEval_EvalFrameEx() */
 	return PyEval_EvalFrameEx(f, 0);
 }
 
@@ -514,7 +517,7 @@
 #ifdef DXPAIRS
 	int lastopcode = 0;
 #endif
-	register PyObject **stack_pointer;   /* Next free slot in value stack */
+	register PyObject **stack_pointer;  /* Next free slot in value stack */
 	register unsigned char *next_instr;
 	register int opcode;	/* Current opcode */
 	register int oparg;	/* Current opcode argument, if any */
@@ -607,10 +610,10 @@
 #define JUMPBY(x)	(next_instr += (x))
 
 /* OpCode prediction macros
-	Some opcodes tend to come in pairs thus making it possible to predict
-	the second code when the first is run.  For example, COMPARE_OP is often
-	followed by JUMP_IF_FALSE or JUMP_IF_TRUE.  And, those opcodes are often
-	followed by a POP_TOP.
+	Some opcodes tend to come in pairs thus making it possible to
+	predict the second code when the first is run.  For example,
+	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
 	variable against a constant.  If the pairing was good, then the
@@ -657,11 +660,13 @@
 #define PUSH(v)		{ (void)(BASIC_PUSH(v), \
                                lltrace && prtrace(TOP(), "push")); \
                                assert(STACK_LEVEL() <= co->co_stacksize); }
-#define POP()		((void)(lltrace && prtrace(TOP(), "pop")), BASIC_POP())
+#define POP()		((void)(lltrace && prtrace(TOP(), "pop")), \
+			 BASIC_POP())
 #define STACKADJ(n)	{ (void)(BASIC_STACKADJ(n), \
                                lltrace && prtrace(TOP(), "stackadj")); \
                                assert(STACK_LEVEL() <= co->co_stacksize); }
-#define EXT_POP(STACK_POINTER) (lltrace && prtrace((STACK_POINTER)[-1], "ext_pop"), *--(STACK_POINTER))
+#define EXT_POP(STACK_POINTER) (lltrace && prtrace((STACK_POINTER)[-1], \
+				"ext_pop"), *--(STACK_POINTER))
 #else
 #define PUSH(v)		BASIC_PUSH(v)
 #define POP()		BASIC_POP()
@@ -1696,7 +1701,8 @@
 				    why == WHY_CONTINUE)
 					retval = POP();
 			}
-			else if (PyExceptionClass_Check(v) || PyString_Check(v)) {
+			else if (PyExceptionClass_Check(v) ||
+			         PyString_Check(v)) {
 				w = POP();
 				u = POP();
 				PyErr_Restore(v, w, u);
@@ -1745,7 +1751,8 @@
 			if ((x = f->f_locals) != NULL) {
 				if ((err = PyObject_DelItem(x, w)) != 0)
 					format_exc_check_arg(PyExc_NameError,
-								NAME_ERROR_MSG ,w);
+							     NAME_ERROR_MSG,
+							     w);
 				break;
 			}
 			PyErr_Format(PyExc_SystemError,
@@ -1756,8 +1763,10 @@
 		PREDICTED_WITH_ARG(UNPACK_SEQUENCE);
 		case UNPACK_SEQUENCE:
 			v = POP();
-			if (PyTuple_CheckExact(v) && PyTuple_GET_SIZE(v) == oparg) {
-				PyObject **items = ((PyTupleObject *)v)->ob_item;
+			if (PyTuple_CheckExact(v) &&
+			    PyTuple_GET_SIZE(v) == oparg) {
+				PyObject **items = \
+					((PyTupleObject *)v)->ob_item;
 				while (oparg--) {
 					w = items[oparg];
 					Py_INCREF(w);
@@ -1765,15 +1774,17 @@
 				}
 				Py_DECREF(v);
 				continue;
-			} else if (PyList_CheckExact(v) && PyList_GET_SIZE(v) == oparg) {
-				PyObject **items = ((PyListObject *)v)->ob_item;
+			} else if (PyList_CheckExact(v) &&
+				   PyList_GET_SIZE(v) == oparg) {
+				PyObject **items = \
+					((PyListObject *)v)->ob_item;
 				while (oparg--) {
 					w = items[oparg];
 					Py_INCREF(w);
 					PUSH(w);
 				}
 			} else if (unpack_iterable(v, oparg,
-						 stack_pointer + oparg)) {
+						   stack_pointer + oparg)) {
 				stack_pointer += oparg;
 			} else {
 				/* unpack_iterable() raised an exception */
@@ -1831,7 +1842,8 @@
 			else {
 				x = PyObject_GetItem(v, w);
 				if (x == NULL && PyErr_Occurred()) {
-					if (!PyErr_ExceptionMatches(PyExc_KeyError))
+					if (!PyErr_ExceptionMatches(
+							PyExc_KeyError))
 						break;
 					PyErr_Clear();
 				}
@@ -1843,7 +1855,7 @@
 					if (x == NULL) {
 						format_exc_check_arg(
 							    PyExc_NameError,
-							    NAME_ERROR_MSG ,w);
+							    NAME_ERROR_MSG, w);
 						break;
 					}
 				}
@@ -1944,13 +1956,10 @@
 				       UNBOUNDLOCAL_ERROR_MSG,
 				       v);
 			} else {
-			       v = PyTuple_GET_ITEM(
-					      co->co_freevars,
-					      oparg - PyTuple_GET_SIZE(co->co_cellvars));
-			       format_exc_check_arg(
-				       PyExc_NameError,
-				       UNBOUNDFREE_ERROR_MSG,
-				       v);
+				v = PyTuple_GET_ITEM(co->co_freevars, oparg -
+					PyTuple_GET_SIZE(co->co_cellvars));
+				format_exc_check_arg(PyExc_NameError,
+						     UNBOUNDFREE_ERROR_MSG, v);
 			}
 			break;
 
@@ -2177,7 +2186,8 @@
 				continue;
 			}
 			if (PyErr_Occurred()) {
-				if (!PyErr_ExceptionMatches(PyExc_StopIteration))
+				if (!PyErr_ExceptionMatches(
+						PyExc_StopIteration))
 					break;
 				PyErr_Clear();
 			}
@@ -2203,9 +2213,10 @@
 		case SETUP_LOOP:
 		case SETUP_EXCEPT:
 		case SETUP_FINALLY:
-			/* NOTE: If you add any new block-setup opcodes that are
-		           not try/except/finally handlers, you may need to
-			   update the PyGen_NeedsFinalizing() function. */
+			/* NOTE: If you add any new block-setup opcodes that
+		           are not try/except/finally handlers, you may need
+		           to update the PyGen_NeedsFinalizing() function.
+		           */
 
 			PyFrame_BlockSetup(f, opcode, INSTR_OFFSET() + oparg,
 					   STACK_LEVEL());
@@ -4001,10 +4012,9 @@
 				if (PyString_Check(exc)) {
 					int ret_val;
 					ret_val = PyErr_WarnEx(
-							PyExc_DeprecationWarning,
-							"catching of string "
-							"exceptions is "
-							"deprecated", 1);
+						PyExc_DeprecationWarning,
+						"catching of string "
+						"exceptions is deprecated", 1);
 					if (ret_val == -1)
 						return NULL;
 				}
@@ -4016,8 +4026,7 @@
 				ret_val = PyErr_WarnEx(
 						PyExc_DeprecationWarning,
 						"catching of string "
-						"exceptions is deprecated",
-						1);
+						"exceptions is deprecated", 1);
 				if (ret_val == -1)
 					return NULL;
 			}
@@ -4295,8 +4304,9 @@
 	if (v->ob_refcnt == 2) {
 		/* In the common case, there are 2 references to the value
 		 * stored in 'variable' when the += is performed: one on the
-		 * value stack (in 'v') and one still stored in the 'variable'.
-		 * We try to delete the variable now to reduce the refcnt to 1.
+		 * value stack (in 'v') and one still stored in the
+		 * 'variable'.  We try to delete the variable now to reduce
+		 * the refcnt to 1.
 		 */
 		switch (*next_instr) {
 		case STORE_FAST:
@@ -4309,7 +4319,8 @@
 		}
 		case STORE_DEREF:
 		{
-			PyObject **freevars = f->f_localsplus + f->f_code->co_nlocals;
+			PyObject **freevars = (f->f_localsplus +
+					       f->f_code->co_nlocals);
 			PyObject *c = freevars[PEEKARG()];
 			if (PyCell_GET(c) == v)
 				PyCell_Set(c, NULL);
@@ -4337,10 +4348,10 @@
 		 */
 		if (_PyString_Resize(&v, new_len) != 0) {
 			/* XXX if _PyString_Resize() fails, 'v' has been
-			 * deallocated so it cannot be put back into 'variable'.
-			 * The MemoryError is raised when there is no value in
-			 * 'variable', which might (very remotely) be a cause
-			 * of incompatibilities.
+			 * deallocated so it cannot be put back into
+			 * 'variable'.  The MemoryError is raised when there
+			 * is no value in 'variable', which might (very
+			 * remotely) be a cause of incompatibilities.
 			 */
 			return NULL;
 		}