Make numerous improvements

- Python static hello world now 1.8mb
- Python static fully loaded now 10mb
- Python HTTPS client now uses MbedTLS
- Python REPL now completes import stmts
- Increase stack size for Python for now
- Begin synthesizing posixpath and ntpath
- Restore Python \N{UNICODE NAME} support
- Restore Python NFKD symbol normalization
- Add optimized code path for Intel SHA-NI
- Get more Python unit tests passing faster
- Get Python help() pagination working on NT
- Python hashlib now supports MbedTLS PBKDF2
- Make memcpy/memmove/memcmp/bcmp/etc. faster
- Add Mersenne Twister and Vigna to LIBC_RAND
- Provide privileged __printf() for error code
- Fix zipos opendir() so that it reports ENOTDIR
- Add basic chmod() implementation for Windows NT
- Add Cosmo's best functions to Python cosmo module
- Pin function trace indent depth to that of caller
- Show memory diagram on invalid access in MODE=dbg
- Differentiate stack overflow on crash in MODE=dbg
- Add stb_truetype and tools for analyzing font files
- Upgrade to UNICODE 13 and reduce its binary footprint
- COMPILE.COM now logs resource usage of build commands
- Start implementing basic poll() support on bare metal
- Set getauxval(AT_EXECFN) to GetModuleFileName() on NT
- Add descriptions to strerror() in non-TINY build modes
- Add COUNTBRANCH() macro to help with micro-optimizations
- Make error / backtrace / asan / memory code more unbreakable
- Add fast perfect C implementation of μ-Law and a-Law audio codecs
- Make strtol() functions consistent with other libc implementations
- Improve Linenoise implementation (see also github.com/jart/bestline)
- COMPILE.COM now suppresses stdout/stderr of successful build commands

third_party/python/Lib/test/test_argparse.py

@@ -1953,22 +1953,21 @@ class TestAddSubparsers(TestCase):
               ++foo       foo help
             '''))
 
-    # # TODO(jart): pycomp.com needs \N thing
-    # def test_help_non_breaking_spaces(self):
-    #     parser = ErrorRaisingArgumentParser(
-    #         prog='PROG', description='main description')
-    #     parser.add_argument(
-    #         "--non-breaking", action='store_false',
-    #         help='help message containing non-breaking spaces shall not '
-    #         'wrap\N{NO-BREAK SPACE}at non-breaking spaces')
-    #     self.assertEqual(parser.format_help(), textwrap.dedent('''\
-    #         usage: PROG [-h] [--non-breaking]
-    #         main description
-    #         optional arguments:
-    #           -h, --help      show this help message and exit
-    #           --non-breaking  help message containing non-breaking spaces shall not
-    #                           wrap\N{NO-BREAK SPACE}at non-breaking spaces
-    #     '''))
+    def test_help_non_breaking_spaces(self):
+        parser = ErrorRaisingArgumentParser(
+            prog='PROG', description='main description')
+        parser.add_argument(
+            "--non-breaking", action='store_false',
+            help='help message containing non-breaking spaces shall not '
+            'wrap\N{NO-BREAK SPACE}at non-breaking spaces')
+        self.assertEqual(parser.format_help(), textwrap.dedent('''\
+            usage: PROG [-h] [--non-breaking]
+            main description
+            optional arguments:
+              -h, --help      show this help message and exit
+              --non-breaking  help message containing non-breaking spaces shall not
+                              wrap\N{NO-BREAK SPACE}at non-breaking spaces
+        '''))
 
     def test_help_alternate_prefix_chars(self):
         parser = self._get_parser(prefix_chars='+:/')