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

tool/decode/scrubdox.c

@@ -82,6 +82,8 @@
 #define IsPlus(C)   ((C) == '+' || (C) == u'┼')
 #define IsHyphen(C) ((C) == '-' || (C) == u'─')
 #define IsTick(C)   ((C) == '`' || (C) == u'└')
+#define IsPipe(C)   ((C) == '|' || (C) == u'│')
+#define IsEquals(C) ((C) == '=' || (C) == u'═')
 
 int n;
 int yn;
@@ -98,6 +100,9 @@ static void DoIt(int y, int x) {
   if (IsPipe(L[y - 1][x]) && IsHyphen(L[y][x - 1]) && IsPlus(L[y][x]) &&
       IsHyphen(L[y][x + 1]) && IsPipe(L[y + 1][x])) {
     L[y][x] = u'┼';
+  } else if (IsPipe(L[y - 1][x]) && IsEquals(L[y][x - 1]) && IsPlus(L[y][x]) &&
+             IsEquals(L[y][x + 1]) && IsPipe(L[y + 1][x])) {
+    L[y][x] = u'╪';
   } else if (IsSpace(L[y - 1][x]) && IsHyphen(L[y][x - 1]) &&
              IsHyphen(L[y][x]) && IsHyphen(L[y][x + 1]) &&
              IsPipe(L[y + 1][x])) {
@@ -127,10 +132,12 @@ static void DoIt(int y, int x) {
   } else if (IsTick(L[y][x]) && IsPipe(L[y - 1][x]) && IsHyphen(L[y][x + 1]) &&
              IsSpace(L[y + 1][x]) && IsSpace(L[y][x - 1])) {
     L[y][x] = u'└';
-  } else if (L[y][x] == '-') {
+  } else if (IsHyphen(L[y][x])) {
     L[y][x] = u'─';
-  } else if (L[y][x] == '|') {
+  } else if (IsPipe(L[y][x])) {
     L[y][x] = u'│';
+  } else if (IsEquals(L[y][x])) {
+    L[y][x] = u'═';
   } else {
     return;
   }