Make improvements

- Expand redbean UNIX module
- Expand redbean documentation
- Ensure Lua copyright is embedded in binary
- Increase the PATH_MAX limit especially on NT
- Use column major sorting for linenoise completions
- Fix some suboptimalities in redbean's new UNIX API
- Figured out right flags for Multics newline in raw mode

third_party/lua/lprefix.h

@@ -1,45 +1,36 @@
-/*
-** $Id: lprefix.h $
-** Definitions for Lua code that must come before any other header file
-** See Copyright Notice in lua.h
-*/
-
 #ifndef lprefix_h
 #define lprefix_h
 
-
 /*
 ** Allows POSIX/XSI stuff
 */
-#if !defined(LUA_USE_C89)	/* { */
+#if !defined(LUA_USE_C89) /* { */
 
 #if !defined(_XOPEN_SOURCE)
-#define _XOPEN_SOURCE           600
+#define _XOPEN_SOURCE 600
 #elif _XOPEN_SOURCE == 0
-#undef _XOPEN_SOURCE  /* use -D_XOPEN_SOURCE=0 to undefine it */
+#undef _XOPEN_SOURCE /* use -D_XOPEN_SOURCE=0 to undefine it */
 #endif
 
 /*
 ** Allows manipulation of large files in gcc and some other compilers
 */
 #if !defined(LUA_32BITS) && !defined(_FILE_OFFSET_BITS)
-#define _LARGEFILE_SOURCE       1
-#define _FILE_OFFSET_BITS       64
+#define _LARGEFILE_SOURCE 1
+#define _FILE_OFFSET_BITS 64
 #endif
 
-#endif				/* } */
-
+#endif /* } */
 
 /*
 ** Windows stuff
 */
-#if defined(_WIN32)	/* { */
+#if defined(_WIN32) /* { */
 
 #if !defined(_CRT_SECURE_NO_WARNINGS)
-#define _CRT_SECURE_NO_WARNINGS  /* avoid warnings about ISO C functions */
+#define _CRT_SECURE_NO_WARNINGS /* avoid warnings about ISO C functions */
 #endif
 
-#endif			/* } */
+#endif /* } */
 
 #endif
-