Update WIP discord and some vendors.

CPR has features disabled and PCRE is fully disabled until updated to new code.

vendor/ZMQ/builds/zos/README.md

@@ -33,7 +33,7 @@ installed, ZeroMQ can be built as follows:
 *   Download and extract ZeroMQ tar file
 
 *   Ensure contents of this directory are present at `builds/zos`
-    within that extracted diretory (eg, `zeromq-VERSION/builds/zos/`; 
+    within that extracted directory (eg, `zeromq-VERSION/builds/zos/`; 
     copy these files in, if not already present, and make sure the
     shell scripts are executable)
 
@@ -238,7 +238,7 @@ them, and it would be non-trivial to track them by hand.)
 The source code in ZeroMQ is a combination of a C++ core library
 (in `*.cpp` and `*.hpp` files), and a C wrapper (also in `*.cpp`
 files).  It is all compiled with the C++ compiler.  The IBM XL C/C++
-complier (at least the version used for initial porting) insists
+compiler (at least the version used for initial porting) insists
 that C++ source be in `*.C` files (note capital C).  To work around
 this issue the compile flag `-+` is used (specified in the `zc++`
 compiler wrapper), which tells the compiler the file should be
@@ -359,7 +359,7 @@ syntax):
         setenv CXXFLAGS "-Wc,xplink -Wl,xplink -+"
 
 *   run configure script with `--disable-eventfd` (`sys/eventfd.h` does
-    not exist, but the test for its existance has a false positive on
+    not exist, but the test for its existence has a false positive on
     z/OS UNIX System Services, apparently due to the way the `c++`
     compiler wrapper passes errors back from the IBM XL C/C++ compiler),
     and with `--with-poller=poll` because `poll` is the most advanced

vendor/ZMQ/builds/zos/runtests

@@ -85,7 +85,7 @@ verbose() {
 TESTS_ENVIRONMENT=
 
 #---------------------------------------------------------------------------
-# Explicitly add SRCDIR into library serach path, to make sure we
+# Explicitly add SRCDIR into library search path, to make sure we
 # use our just-built version
 LIBPATH="${SRCDIR}:/lib:/usr/lib"
 export LIBPATH

vendor/ZMQ/builds/zos/test_fork.cpp

@@ -1,31 +1,4 @@
-/*
-    Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
-
-    This file is part of libzmq, the ZeroMQ core engine in C++.
-
-    libzmq is free software; you can redistribute it and/or modify it under
-    the terms of the GNU Lesser General Public License (LGPL) as published
-    by the Free Software Foundation; either version 3 of the License, or
-    (at your option) any later version.
-
-    As a special exception, the Contributors give you permission to link
-    this library with independent modules to produce an executable,
-    regardless of the license terms of these independent modules, and to
-    copy and distribute the resulting executable under terms of your choice,
-    provided that you also meet, for each linked independent module, the
-    terms and conditions of the license of that module. An independent
-    module is a module which is not derived from or based on this library.
-    If you modify this library, you must extend this exception to your
-    version of the library.
-
-    libzmq is distributed in the hope that it will be useful, but WITHOUT
-    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-    FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
-    License for more details.
-
-    You should have received a copy of the GNU Lesser General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+/* SPDX-License-Identifier: MPL-2.0 */
 
 #include "testutil.hpp"
 #include <unistd.h>           // For alarm()

vendor/ZMQ/builds/zos/zc++

@@ -5,7 +5,7 @@
 # to get through both ./configure arguments _and_ Makefile/shell expansion
 # safely so more easily added in this wrapper.
 #
-# Finally, by default will enable xplink for C++ compatibilty and performance
+# Finally, by default will enable xplink for C++ compatibility and performance
 # (c++ standard library requires xplink enabled).
 #
 # Additional compile/link flags can be passed in as ZCXXFLAGS, eg: