Fix typos in comments, docs and test names (#15018)

* Fix typos in comments, docs and test names

* Update test_pyparse.py

account for change in string length

* Apply suggestion: splitable -> splittable

Co-Authored-By: Terry Jan Reedy <tjreedy@udel.edu>

* Apply suggestion: splitable -> splittable

Co-Authored-By: Terry Jan Reedy <tjreedy@udel.edu>

* Apply suggestion: Dealloccte -> Deallocate

Co-Authored-By: Terry Jan Reedy <tjreedy@udel.edu>

* Update posixmodule checksum.

* Reverse idlelib changes.

Python/ast.c

@@ -5256,7 +5256,7 @@ fstring_find_expr(const char **str, const char *end, int raw, int recurse_lvl,
     *str += 1;
 
     /* If we're in = mode (detected by non-NULL expr_text), and have no format
-       spec and no explict conversion, set the conversion to 'r'. */
+       spec and no explicit conversion, set the conversion to 'r'. */
     if (*expr_text && format_spec == NULL && conversion == -1) {
         conversion = 'r';
     }

Python/bootstrap_hash.c

@@ -163,7 +163,7 @@ py_getrandom(void *buffer, Py_ssize_t size, int blocking, int raise)
             }
 
             /* getrandom(GRND_NONBLOCK) fails with EAGAIN if the system urandom
-               is not initialiazed yet. For _PyRandom_Init(), we ignore the
+               is not initialized yet. For _PyRandom_Init(), we ignore the
                error and fall back on reading /dev/urandom which never blocks,
                even if the system urandom is not initialized yet:
                see the PEP 524. */

Python/compile.c

@@ -1868,7 +1868,7 @@ compiler_make_closure(struct compiler *c, PyCodeObject *co, Py_ssize_t flags, Py
                free variable that has the same name as a method,
                the name will be considered free *and* local in the
                class.  It should be handled by the closure, as
-               well as by the normal name loookup logic.
+               well as by the normal name lookup logic.
             */
             reftype = get_ref_type(c, name);
             if (reftype == CELL)

Python/getopt.c

@@ -20,7 +20,7 @@
  * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  *
  * Nevertheless, I would like to know about bugs in this library or
- * suggestions for improvment.  Send bug reports and feedback to
+ * suggestions for improvement.  Send bug reports and feedback to
  * davegottner@delphi.com.
  *---------------------------------------------------------------------------*/
 

Python/hamt.c

@@ -830,7 +830,7 @@ hamt_node_bitmap_assoc(PyHamtNode_Bitmap *self,
 
                Instead we start using an Array node, which has
                simpler (faster) implementation at the expense of
-               having prealocated 32 pointers for its keys/values
+               having preallocated 32 pointers for its keys/values
                pairs.
 
                Small hamt objects (<30 keys) usually don't have any

Python/import.c

@@ -833,7 +833,7 @@ import_add_module(PyThreadState *tstate, PyObject *name)
     }
     else {
         m = PyObject_GetItem(modules, name);
-        // For backward-comaptibility we copy the behavior
+        // For backward-compatibility we copy the behavior
         // of PyDict_GetItemWithError().
         if (_PyErr_ExceptionMatches(tstate, PyExc_KeyError)) {
             _PyErr_Clear(tstate);

Python/initconfig.c

@@ -1068,7 +1068,7 @@ config_init_program_name(PyConfig *config)
        or rather, to work around Apple's overly strict requirements of
        the process name. However, we still need a usable sys.executable,
        so the actual executable path is passed in an environment variable.
-       See Lib/plat-mac/bundlebuiler.py for details about the bootstrap
+       See Lib/plat-mac/bundlebuilder.py for details about the bootstrap
        script. */
     const char *p = config_get_env(config, "PYTHONEXECUTABLE");
     if (p != NULL) {

Python/pystate.c

@@ -1499,7 +1499,7 @@ _PyCrossInterpreterData_Release(_PyCrossInterpreterData *data)
     // Switch to the original interpreter.
     PyInterpreterState *interp = _PyInterpreterState_LookUpID(data->interp);
     if (interp == NULL) {
-        // The intepreter was already destroyed.
+        // The interpreter was already destroyed.
         if (data->free != NULL) {
             // XXX Someone leaked some memory...
         }

Python/sysmodule.c

@@ -1162,7 +1162,7 @@ static PyTypeObject AsyncGenHooksType;
 PyDoc_STRVAR(asyncgen_hooks_doc,
 "asyncgen_hooks\n\
 \n\
-A struct sequence providing information about asynhronous\n\
+A struct sequence providing information about asynchronous\n\
 generators hooks.  The attributes are read only.");
 
 static PyStructSequence_Field asyncgen_hooks_fields[] = {