Squashed commit of the following:

commit 4ddea41a560d667de9112d86ecf9ceb9b147977c
Merge: 1819da3a 488500a4
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Mon Jun 27 10:23:41 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit 1819da3a18ee15808c69c5bb5fc8071a3fc9a0e5
Merge: a98ff0cb 2ae439f3
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Fri Jun 24 14:17:16 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit a98ff0cb4e62673c2014b8cc5ec6282b0e93d0a6
Merge: e0227307 d43b469f
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Wed Jun 22 10:19:43 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit e022730782a5943307c2dce308c7d982d0284759
Merge: a05476e0 03f79dcb
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Mon Jun 20 08:40:14 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit a05476e0c2460bab15059d70365c172cb6af8b27
Merge: 548904f8 f2e71851
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Fri Jun 17 14:37:07 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit 548904f85e19fd4466644ce7c537d82558ea3588
Merge: bca382b2 ae879ed7
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Fri Jun 17 14:15:58 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit bca382b2a6e70f3e8aebd7c113e9af8f868ea0e4
Merge: ddc1358d 6b97a4f7
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Wed Jun 15 18:09:38 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit ddc1358d52f5465c02806b676cdabbb1fa046d38
Merge: a5d1b520 174bc50a
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Wed Jun 8 22:39:42 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit a5d1b520410051e912c88fda25e75532e43d9ae4
Merge: ed132168 07d04b91
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Tue Jun 7 22:42:13 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit ed13216805ba590fec6a7aa0ae774f3cb149461a
Merge: 2627f6bc 03148f2c
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Fri Jun 3 12:19:58 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit 2627f6bc294a64e0486f6e7a62c4980786e65756
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Fri Jun 3 11:30:31 2022 +0300

    Some more small fixes.

commit a7211881a2bf1600e6ffb990e77d95e94e64b088
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Fri Jun 3 11:16:36 2022 +0300

    Additional fixes for reference count > 1.

commit c8da61eb496e9f814ba03681993455ec1d7a0e16
Merge: ec7a63b0 45a9aeb1
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Thu Jun 2 22:07:59 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit ec7a63b098ada34b48bf15895c1ba85eae1ece23
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Thu Jun 2 21:42:55 2022 +0300

    And, once again, add the new test files.

commit f162319580b6a32dfdc6d40880bf329f281f02c5
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Thu Jun 2 19:52:31 2022 +0300

    Add a new test.

commit 086487f537084f793b9ed698467ed5ced2bac0c9
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Thu Jun 2 19:48:12 2022 +0300

    Fix memory corruption problem.

commit 9e3bdae69574f3339dc327ba735a6e7209e67bc3
Merge: fea48661 0f12de29
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Wed Jun 1 18:30:10 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit fea486613e037bce9c0d881a82d335a2797d7863
Merge: 5338ae04 826e12f5
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Tue May 24 17:02:52 2022 -0400

    Merge branch 'master' into feature/mdim-restart

commit 5338ae04accb66fa213efc827adaeb9bff73d136
Merge: 4ac52d68 93d37eb5
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Mon May 23 16:40:52 2022 -0400

    Merge branch 'master' into feature/mdim-restart

commit 4ac52d685c3b6917c088b390b632195fcf68219c
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Sun May 22 11:13:14 2022 -0400

    Fix memory leak converting Node_elem_new to array.

commit 3c95d116d1adf70e8656d4fdfcecb47ed2a2aca8
Merge: 371554a7 4ecda23c
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Sun May 22 10:27:24 2022 -0400

    Merge branch 'master' into feature/mdim-restart

commit 371554a7c41ef7ebfe53d851515ed4465ed00c58
Merge: 5e76c449 86291c81
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Thu May 19 12:52:43 2022 -0400

    Merge branch 'master' into feature/mdim-restart

commit 5e76c449eb80a6b58984e877d95296856c945fa5
Merge: 8a9e6074 bb5192be
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Tue May 17 17:47:17 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit 8a9e6074ed86cd699d4b7c70fde85954374bbb1f
Merge: 58b844d9 fee5df67
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Wed May 11 23:20:03 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit 58b844d9d888d06be5929d9bb2b4e72500e5187a
Merge: 224cfcbb c4e2e18f
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Wed May 11 23:17:53 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit 224cfcbb33688065ef8037a0aabd64b28953f846
Merge: b671cb7f d5742964
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Tue May 10 21:34:17 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit b671cb7fa5708a6c023261f2161addbd8be9ca2f
Merge: 5fbcb09c 455c99c0
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Thu May 5 16:15:15 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit 5fbcb09c975355efd20b5f7ffd352071c99d7bc6
Merge: 0fa7a8eb 57745697
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Tue May 3 22:57:39 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit 0fa7a8eb003a9899f15124444a23878b25ee2c5d
Merge: 0ead15b9 d2b7dbb1
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Tue May 3 22:55:49 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit 0ead15b9d6170db2dd9b9e003ce231cf138c60ce
Merge: 2c14c31f 0b77c57f
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Fri Apr 29 11:41:56 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit 2c14c31fc8b7ad36fdfe8d5387e24e664c7e6d39
Merge: 161546b4 d2e790ba
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Fri Apr 29 11:03:55 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit 161546b45836571ec07746b052a89f394cbb64ec
Merge: 459cf2a5 20c0d1e7
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Thu Apr 28 23:28:03 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit 459cf2a53e1945b53b3f0be1ab80a2e4d67cea88
Merge: 300cf5f5 27f1be8a
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Thu Apr 21 17:36:18 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit 300cf5f522c928476cfbd13cbb670222a8d97a70
Merge: e319f5fe 618431c8
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Thu Apr 21 12:15:38 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit e319f5feba1df6c0f018344efc6757d086cee710
Merge: 6a92817e c9e804f4
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Wed Apr 20 17:22:28 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit 6a92817ef034fd0915fdd88879bed1c470457111
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Wed Apr 20 16:39:51 2022 +0300

    Small whitespace cleanups.

commit 6abf94e452643df122935f585e209f52f6814782
Merge: 9c9b241a b55d466c
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Mon Apr 18 16:24:24 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit 9c9b241a2cf538c05ce162f73fb45e06f73e509f
Merge: 5ec85050 b6fd48c9
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Fri Apr 8 13:16:43 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit 5ec85050cac30dfb239ba6350b32ff447fe67f11
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Wed Apr 6 20:22:36 2022 +0300

    More cleanups.

commit ff3f9433a6ab9d0f4e5ca21e3cf8b7dc69741d39
Merge: 0e6a31ca 62ec80d7
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Wed Apr 6 20:09:30 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit 0e6a31caf3c0ee5d9a329a1cd8ae4ae17c950990
Merge: 4fc1469f 4bbfe95a
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Wed Apr 6 08:15:45 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit 4fc1469f68f15b2f56c31340cbd852dda2c43cf6
Merge: 3ef91f55 32b09ecf
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Fri Apr 1 16:08:22 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit 3ef91f5586feb1fa9e20cb3c2f1359a465ec8db9
Merge: 56242fa8 8b41863c
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Fri Apr 1 14:20:09 2022 +0300

    Merge branch 'feature/mdim-restart' of ssh://git.sv.gnu.org/srv/git/gawk into feature/mdim-restart

commit 56242fa8c66f43ae23b9f47b1e225a6692515f1b
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Fri Apr 1 14:18:53 2022 +0300

    Additional cleanups.

commit 8b41863cd58085a86acf31e131e60233e9b3a4f2
Merge: 89a85232 dd566361
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Wed Mar 30 10:22:55 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit 89a85232c6d8203f33052cf305e79cb5b2ab952a
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Mon Mar 28 19:37:29 2022 +0300

    Final fixes and update ChangeLog.

commit 278b252a84ff2af01cb9d572c4b9c1e5b01c2b59
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Sun Mar 27 08:21:53 2022 +0300

    And the rest of the mdim test files.

commit 349910e7752b6c10ed6f475b83f49bf3577c96d3
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Sun Mar 27 08:19:54 2022 +0300

    Fix mdim1.ok.

commit f464540b8d76f9829acd88fb46d1efa587d69b83
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Sun Mar 27 08:18:24 2022 +0300

    Add mdim1, mdim2 tests.

commit 6eff0cb4ab369aa32d919f281cdbfced06a05fcf
Merge: b79756a0 c2f6af30
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Sun Mar 27 08:11:03 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit b79756a0f070815264378f5614ef83d5c807f918
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Sat Mar 26 22:17:36 2022 +0300

    Remove wrong comment.

commit 32cf648f9ee4f30e95e3a4503ed56f9b2ca9c8ab
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Sat Mar 26 22:13:19 2022 +0300

    Continue fixing.

commit 0368d0007ddeba8c0f6b32bef47c0b7d3b49784b
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Sat Mar 26 21:55:07 2022 +0300

    Next fix.

commit b67edcd6079e5c600f9b36c00994555ed54edc00
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Sat Mar 26 21:19:06 2022 +0300

    Continue making progress.

commit 0a5688347945717c3bce4993ac507f692a85ebe2
Merge: 1f4dbe80 0cdb4a0e
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Fri Mar 25 14:03:26 2022 +0300

    Merge branch 'master' into feature/mdim-restart

commit 1f4dbe804b2d5936d10567f44bc6b1bca448e6e1
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Wed Mar 23 21:27:31 2022 +0200

    Continuing progress.

commit 8e4e61cf09db4c3e93cc9fd92b5f4a0429240d36
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Wed Mar 23 20:59:02 2022 +0200

    Small code cleanup.

commit 2b918ad7a76155acbfd19ccf695fe50cd6a1baa7
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Wed Mar 23 20:57:05 2022 +0200

    Stage 2 working.

commit 7d30f731653bd0358af43a65384491d526006a8b
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Wed Mar 23 20:50:27 2022 +0200

    First stage working.

1 files changed, 1 insertions, 1 deletions

diff --git a/str_array.c b/str_array.c
index 08704312..101ad0b9 100644
--- a/str_array.c
+++ b/str_array.c
@@ -217,7 +217,7 @@ str_lookup(NODE *symbol, NODE *subs)
 	b->ahname = subs;
 	b->ahname_str = subs->stptr;
 	b->ahname_len = subs->stlen;
-	b->ahvalue = dupnode(Nnull_string);
+	b->ahvalue = new_array_element();
 	b->ahcode = code1;
 	return & (b->ahvalue);
 }