Merge branches/quickjs to trunk. This is the way.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3621 ed5197a5-7fde-0310-b194-c3ffbd925b24

deps/quickjs/Changelog

@@ -1,3 +1,83 @@
+2020-11-08:
+
+- improved function parameter initializers
+- added std.setenv(), std.unsetenv() and std.getenviron()
+- added JS_EvalThis()
+- misc bug fixes
+
+2020-09-06:
+
+- added logical assignment operators
+- added IsHTMLDDA support
+- faster for-of loops
+- os.Worker now takes a module filename as parameter
+- qjsc: added -D option to compile dynamically loaded modules or workers
+- misc bug fixes
+
+2020-07-05:
+
+- modified JS_GetPrototype() to return a live value
+- REPL: support unicode characters larger than 16 bits
+- added os.Worker
+- improved object serialization
+- added std.parseExtJSON
+- misc bug fixes
+
+2020-04-12:
+
+- added cross realm support
+- added AggregateError and Promise.any
+- added env, uid and gid options in os.exec()
+- misc bug fixes
+
+2020-03-16:
+
+- reworked error handling in std and os libraries: suppressed I/O
+  exceptions in std FILE functions and return a positive errno value
+  when it is explicit
+- output exception messages to stderr
+- added std.loadFile(), std.strerror(), std.FILE.prototype.tello()
+- added JS_GetRuntimeOpaque(), JS_SetRuntimeOpaque(), JS_NewUint32()
+- updated to Unicode 13.0.0
+- misc bug fixes
+
+2020-01-19:
+
+- keep CONFIG_BIGNUM in the makefile
+- added os.chdir()
+- qjs: added -I option
+- more memory checks in the bignum operations
+- modified operator overloading semantics to be closer to the TC39
+  proposal
+- suppressed "use bigint" mode. Simplified "use math" mode
+- BigDecimal: changed suffix from 'd' to 'm'
+- misc bug fixes
+
+2020-01-05:
+
+- always compile the bignum code. Added '--bignum' option to qjs.
+- added BigDecimal
+- added String.prototype.replaceAll
+- misc bug fixes
+
+2019-12-21:
+
+- added nullish coalescing operator (ES2020)
+- added optional chaining (ES2020)
+- removed recursions in garbage collector
+- test stack overflow in the parser
+- improved backtrace logic
+- added JS_SetHostPromiseRejectionTracker()
+- allow exotic constructors
+- improved c++ compatibility
+- misc bug fixes
+
+2019-10-27:
+
+- added example of C class in a module (examples/test_point.js)
+- added JS_GetTypedArrayBuffer()
+- misc bug fixes
+
 2019-09-18:
 
 - added os.exec and other system calls