Merge branch 'master' into feature/bwk-csv

20 files changed, 687 insertions, 579 deletions

diff --git a/ChangeLog b/ChangeLog
index 7eb04ca4..13602873 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2022-09-16         Arnold D. Robbins     <arnold@skeeve.com>
+
+	* debug.c (do_eval): If a fatal error occurs, don't attempt to
+	recover, just restart. Thanks to Pascal Maugis
+	<pascal.maugis@lsce.ipsl.fr> for the report.
+
 2022-09-14         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* interpret.h (r_interpret): For the `push' opcodes, don't upref
diff --git a/debug.c b/debug.c
index efc5a9a1..b85939f3 100644
--- a/debug.c
+++ b/debug.c
@@ -5582,8 +5582,22 @@ execute_code(volatile INSTRUCTION *code)
 	if (setjmp(fatal_tag) == 0) {
 		(void) interpret((INSTRUCTION *) code);
 		r = POP_SCALAR();
-	} else	/* fatal error */
-		(void) unwind_stack(save_stack_size);
+	} else {	/* fatal error */
+		/*
+		 * 9/2022:
+		 * Initially, the code did this:
+		 *
+		 * (void) unwind_stack(save_stack_size);
+		 *
+		 * to attempt to recover and keep going. But a fatal error
+		 * can corrupt memory. Instead of trying to recover, just
+		 * start over.
+		 */
+		// Let the user know, but DON'T use the fatal() function!
+		fprintf(stderr, _("fatal error during eval, need to restart.\n"));
+		// Go back to debugger
+		restart(false);		// does not return
+	}
 
 	POP_BINDING(fatal_tag_stack, fatal_tag, fatal_tag_valid);
 	do_flags = save_flags;
diff --git a/doc/ChangeLog b/doc/ChangeLog
index 573b488a..406f4ea6 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,11 @@
+2022-09-17         Arnold D. Robbins     <arnold@skeeve.com>
+
+	* gawktexi.in (Extension Sample Read write array): Clarify how readall
+	works. Thanks to J Naman, <gawker@703n.com> for the prod.
+	(GNU Regexp Operators): Add some phraseology borrowed from GNU grep
+	man page to further explain \B. Thanks to Neil R. Ormos
+	<ormos-gnulists17@ormos.org> for the suggestion.
+
 2022-09-04         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* 5.2.0: Release tar ball made.
diff --git a/doc/gawk.info b/doc/gawk.info
index b0e61999..bb878db4 100644
--- a/doc/gawk.info
+++ b/doc/gawk.info
@@ -4315,6 +4315,8 @@ letters, digits, or underscores ('_'):
      Matches the empty string that occurs between two word-constituent
      characters.  For example, '/\Brat\B/' matches 'crate', but it does
      not match 'dirty rat'.  '\B' is essentially the opposite of '\y'.
+     Another way to think of this is that '\B' matches the empty string
+     provided it's not at the edge of a word.
 
    There are two other operators that work on buffers.  In Emacs, a
 "buffer" is, naturally, an Emacs buffer.  Other GNU programs, including
@@ -29483,9 +29485,9 @@ The 'rwarray' extension adds four functions, named 'writea()',
      This function takes a string argument, which is the name of the
      file from which to read the contents of various global variables.
      For each variable in the file, the data is loaded unless the
-     variable already exists.  If the variable already exists, the data
-     for that variable in the file is ignored.  It returns one on
-     success, or zero upon failure.
+     variable has already been assigned a value or used as an array.  In
+     that case, the data for that variable in the file is ignored.  It
+     returns one on success, or zero upon failure.
 
    The array created by 'reada()' is identical to that written by
 'writea()' in the sense that the contents are the same.  However, due to
@@ -35857,7 +35859,7 @@ Index
 * ? (question mark), regexp operator:    Regexp Operator Details.
                                                               (line 113)
 * ? (question mark), regexp operator <1>: GNU Regexp Operators.
-                                                              (line  59)
+                                                              (line  61)
 * ? (question mark), ?: operator:        Precedence.          (line  91)
 * @ (at-sign), @include directive:       Include Files.       (line   8)
 * @ (at-sign), @load directive:          Loading Shared Libraries.
@@ -35913,9 +35915,9 @@ Index
 * \ (backslash), \B operator (gawk):     GNU Regexp Operators.
                                                               (line  43)
 * \ (backslash), \` operator (gawk):     GNU Regexp Operators.
-                                                              (line  54)
-* \ (backslash), \' operator (gawk):     GNU Regexp Operators.
                                                               (line  56)
+* \ (backslash), \' operator (gawk):     GNU Regexp Operators.
+                                                              (line  58)
 * \ (backslash), as field separator:     Command Line Field Separator.
                                                               (line  24)
 * \ (backslash), gsub()/gensub()/sub() functions and: Gory Details.
@@ -35924,7 +35926,7 @@ Index
                                                               (line  18)
 * ^ (caret), in bracket expressions:     Bracket Expressions. (line  25)
 * ^ (caret), regexp operator <1>:        GNU Regexp Operators.
-                                                              (line  59)
+                                                              (line  61)
 * ^ (caret), in FS:                      Regexp Field Splitting.
                                                               (line  58)
 * ^ (caret), ^= operator:                Assignment Ops.      (line 129)
@@ -36285,9 +36287,9 @@ Index
 * backslash (\), \B operator (gawk):     GNU Regexp Operators.
                                                               (line  43)
 * backslash (\), \` operator (gawk):     GNU Regexp Operators.
-                                                              (line  54)
-* backslash (\), \' operator (gawk):     GNU Regexp Operators.
                                                               (line  56)
+* backslash (\), \' operator (gawk):     GNU Regexp Operators.
+                                                              (line  58)
 * backslash (\), as field separator:     Command Line Field Separator.
                                                               (line  24)
 * backslash (\), gsub()/gensub()/sub() functions and: Gory Details.
@@ -36396,7 +36398,7 @@ Index
 * Brian Kernighan's awk:                 When.                (line  21)
 * Brian Kernighan's awk <1>:             Escape Sequences.    (line 112)
 * Brian Kernighan's awk <2>:             GNU Regexp Operators.
-                                                              (line  82)
+                                                              (line  84)
 * Brian Kernighan's awk <3>:             gawk split records.  (line  71)
 * Brian Kernighan's awk <4>:             Regexp Field Splitting.
                                                               (line  66)
@@ -36425,7 +36427,7 @@ Index
 * buffering, input/output:               I/O Functions.       (line 168)
 * buffering, input/output <1>:           Two-way I/O.         (line  53)
 * buffers, operators for:                GNU Regexp Operators.
-                                                              (line  48)
+                                                              (line  50)
 * buffers, flushing:                     I/O Functions.       (line  32)
 * buffers, flushing <1>:                 I/O Functions.       (line 168)
 * bug reports, email address, <bug-gawk@gnu.org>: Bug address.
@@ -36464,7 +36466,7 @@ Index
                                                               (line  18)
 * caret (^), in bracket expressions:     Bracket Expressions. (line  25)
 * caret (^), regexp operator <1>:        GNU Regexp Operators.
-                                                              (line  59)
+                                                              (line  61)
 * caret (^), ^= operator:                Assignment Ops.      (line 129)
 * caret (^), ^ operator:                 Precedence.          (line  48)
 * caret (^), ^= operator <1>:            Precedence.          (line  94)
@@ -37517,9 +37519,9 @@ Index
 * gawk, regular expressions, operators:  GNU Regexp Operators.
                                                               (line   6)
 * gawk, word-boundary operator:          GNU Regexp Operators.
-                                                              (line  63)
+                                                              (line  65)
 * gawk, command-line options, regular expressions and: GNU Regexp Operators.
-                                                              (line  70)
+                                                              (line  72)
 * gawk, regular expressions, case sensitivity: Case-sensitivity.
                                                               (line  26)
 * gawk, IGNORECASE variable in:          Case-sensitivity.    (line  26)
@@ -38201,9 +38203,9 @@ Index
 * operators, GNU-specific:               GNU Regexp Operators.
                                                               (line   6)
 * operators, string-matching, for buffers: GNU Regexp Operators.
-                                                              (line  48)
+                                                              (line  50)
 * operators, word-boundary (gawk):       GNU Regexp Operators.
-                                                              (line  63)
+                                                              (line  65)
 * operators, input/output:               Getline/File.        (line   6)
 * operators, input/output <1>:           Getline/Pipe.        (line  10)
 * operators, input/output <2>:           Getline/Coprocess.   (line   6)
@@ -38525,7 +38527,7 @@ Index
 * question mark (?), regexp operator:    Regexp Operator Details.
                                                               (line 113)
 * question mark (?), regexp operator <1>: GNU Regexp Operators.
-                                                              (line  59)
+                                                              (line  61)
 * question mark (?), ?: operator:        Precedence.          (line  91)
 * QuikTrim Awk:                          Other Versions.      (line 171)
 * quit debugger command:                 Miscellaneous Debugger Commands.
@@ -38622,9 +38624,9 @@ Index
 * regular expressions, operators, for words: GNU Regexp Operators.
                                                               (line   6)
 * regular expressions, operators, for buffers: GNU Regexp Operators.
-                                                              (line  48)
+                                                              (line  50)
 * regular expressions, gawk, command-line options: GNU Regexp Operators.
-                                                              (line  70)
+                                                              (line  72)
 * regular expressions, case sensitivity: Case-sensitivity.    (line   6)
 * regular expressions, as record separators: awk split records.
                                                               (line 118)
@@ -39271,7 +39273,7 @@ Index
 * word, regexp definition of:            GNU Regexp Operators.
                                                               (line   6)
 * word-boundary operator (gawk):         GNU Regexp Operators.
-                                                              (line  63)
+                                                              (line  65)
 * wordfreq.awk program:                  Word Sorting.        (line  56)
 * words, counting:                       Wc Program.          (line   6)
 * words, duplicate, searching for:       Dupword Program.     (line   6)
@@ -39364,550 +39366,550 @@ Ref: table-char-classes188160
 Node: Leftmost Longest191487
 Node: Computed Regexps192790
 Node: GNU Regexp Operators196217
-Node: Case-sensitivity199895
-Ref: Case-sensitivity-Footnote-1202761
-Ref: Case-sensitivity-Footnote-2202996
-Node: Regexp Summary203104
-Node: Reading Files204570
-Node: Records206839
-Node: awk split records207914
-Node: gawk split records212614
-Ref: gawk split records-Footnote-1217688
-Node: Fields217725
-Node: Nonconstant Fields220466
-Ref: Nonconstant Fields-Footnote-1222702
-Node: Changing Fields222906
-Node: Field Separators228937
-Node: Default Field Splitting231692
-Node: Regexp Field Splitting232810
-Node: Single Character Fields236487
-Node: Comma Separated Fields237541
-Ref: table-csv-examples238805
-Node: Command Line Field Separator239268
-Node: Full Line Fields242485
-Ref: Full Line Fields-Footnote-1244007
-Ref: Full Line Fields-Footnote-2244053
-Node: Field Splitting Summary244154
-Node: Constant Size246334
-Node: Fixed width data247066
-Node: Skipping intervening250533
-Node: Allowing trailing data251331
-Node: Fields with fixed data252368
-Node: Splitting By Content253886
-Ref: Splitting By Content-Footnote-1257722
-Node: More CSV257885
-Node: FS versus FPAT259500
-Node: Testing field creation260660
-Node: Multiple Line262285
-Node: Getline268562
-Node: Plain Getline271031
-Node: Getline/Variable273604
-Node: Getline/File274755
-Node: Getline/Variable/File276143
-Ref: Getline/Variable/File-Footnote-1277748
-Node: Getline/Pipe277836
-Node: Getline/Variable/Pipe280540
-Node: Getline/Coprocess281675
-Node: Getline/Variable/Coprocess282942
-Node: Getline Notes283684
-Node: Getline Summary286481
-Ref: table-getline-variants286905
-Node: Read Timeout287654
-Ref: Read Timeout-Footnote-1291570
-Node: Retrying Input291628
-Node: Command-line directories292827
-Node: Input Summary293733
-Node: Input Exercises296905
-Node: Printing297339
-Node: Print299173
-Node: Print Examples300630
-Node: Output Separators303410
-Node: OFMT305427
-Node: Printf306783
-Node: Basic Printf307568
-Node: Control Letters309142
-Node: Format Modifiers314304
-Node: Printf Examples320319
-Node: Redirection322805
-Node: Special FD329646
-Ref: Special FD-Footnote-1332814
-Node: Special Files332888
-Node: Other Inherited Files333505
-Node: Special Network334506
-Node: Special Caveats335366
-Node: Close Files And Pipes336315
-Ref: table-close-pipe-return-values343222
-Ref: Close Files And Pipes-Footnote-1344036
-Ref: Close Files And Pipes-Footnote-2344184
-Node: Nonfatal344336
-Node: Output Summary346674
-Node: Output Exercises347896
-Node: Expressions348575
-Node: Values349763
-Node: Constants350441
-Node: Scalar Constants351132
-Ref: Scalar Constants-Footnote-1353642
-Node: Nondecimal-numbers353892
-Node: Regexp Constants356893
-Node: Using Constant Regexps357419
-Node: Standard Regexp Constants358041
-Node: Strong Regexp Constants361229
-Node: Variables364944
-Node: Using Variables365601
-Node: Assignment Options367511
-Node: Conversion369982
-Node: Strings And Numbers370506
-Ref: Strings And Numbers-Footnote-1373569
-Node: Locale influences conversions373678
-Ref: table-locale-affects376436
-Node: All Operators377055
-Node: Arithmetic Ops377684
-Node: Concatenation380400
-Ref: Concatenation-Footnote-1383247
-Node: Assignment Ops383354
-Ref: table-assign-ops388345
-Node: Increment Ops389659
-Node: Truth Values and Conditions393119
-Node: Truth Values394193
-Node: Typing and Comparison395241
-Node: Variable Typing396061
-Ref: Variable Typing-Footnote-1402524
-Ref: Variable Typing-Footnote-2402596
-Node: Comparison Operators402673
-Ref: table-relational-ops403092
-Node: POSIX String Comparison406588
-Ref: POSIX String Comparison-Footnote-1408283
-Ref: POSIX String Comparison-Footnote-2408422
-Node: Boolean Ops408506
-Ref: Boolean Ops-Footnote-1412988
-Node: Conditional Exp413080
-Node: Function Calls414816
-Node: Precedence418693
-Node: Locales422352
-Node: Expressions Summary423984
-Node: Patterns and Actions426557
-Node: Pattern Overview427677
-Node: Regexp Patterns429354
-Node: Expression Patterns429896
-Node: Ranges433677
-Node: BEGIN/END436785
-Node: Using BEGIN/END437546
-Ref: Using BEGIN/END-Footnote-1440300
-Node: I/O And BEGIN/END440406
-Node: BEGINFILE/ENDFILE442719
-Node: Empty445950
-Node: Using Shell Variables446267
-Node: Action Overview448541
-Node: Statements450866
-Node: If Statement452714
-Node: While Statement454209
-Node: Do Statement456237
-Node: For Statement457385
-Node: Switch Statement460640
-Node: Break Statement463081
-Node: Continue Statement465173
-Node: Next Statement467000
-Node: Nextfile Statement469383
-Node: Exit Statement472072
-Node: Built-in Variables474475
-Node: User-modified475608
-Node: Auto-set483375
-Ref: Auto-set-Footnote-1500077
-Ref: Auto-set-Footnote-2500283
-Node: ARGC and ARGV500339
-Node: Pattern Action Summary504552
-Node: Arrays506982
-Node: Array Basics508311
-Node: Array Intro509155
-Ref: figure-array-elements511130
-Ref: Array Intro-Footnote-1513835
-Node: Reference to Elements513963
-Node: Assigning Elements516427
-Node: Array Example516918
-Node: Scanning an Array518872
-Node: Controlling Scanning521894
-Ref: Controlling Scanning-Footnote-1528350
-Node: Numeric Array Subscripts528666
-Node: Uninitialized Subscripts530850
-Node: Delete532469
-Ref: Delete-Footnote-1535221
-Node: Multidimensional535278
-Node: Multiscanning538373
-Node: Arrays of Arrays539964
-Node: Arrays Summary544732
-Node: Functions546825
-Node: Built-in547863
-Node: Calling Built-in549016
-Node: Boolean Functions551012
-Node: Numeric Functions551566
-Ref: Numeric Functions-Footnote-1555593
-Ref: Numeric Functions-Footnote-2556241
-Ref: Numeric Functions-Footnote-3556289
-Node: String Functions556561
-Ref: String Functions-Footnote-1581701
-Ref: String Functions-Footnote-2581829
-Ref: String Functions-Footnote-3582077
-Node: Gory Details582164
-Ref: table-sub-escapes583955
-Ref: table-sub-proposed585475
-Ref: table-posix-sub586839
-Ref: table-gensub-escapes588381
-Ref: Gory Details-Footnote-1589205
-Node: I/O Functions589359
-Ref: table-system-return-values595813
-Ref: I/O Functions-Footnote-1597894
-Ref: I/O Functions-Footnote-2598042
-Node: Time Functions598162
-Ref: Time Functions-Footnote-1608833
-Ref: Time Functions-Footnote-2608901
-Ref: Time Functions-Footnote-3609059
-Ref: Time Functions-Footnote-4609170
-Ref: Time Functions-Footnote-5609282
-Ref: Time Functions-Footnote-6609509
-Node: Bitwise Functions609775
-Ref: table-bitwise-ops610369
-Ref: Bitwise Functions-Footnote-1616433
-Ref: Bitwise Functions-Footnote-2616606
-Node: Type Functions616797
-Node: I18N Functions620318
-Node: User-defined621969
-Node: Definition Syntax622781
-Ref: Definition Syntax-Footnote-1628475
-Node: Function Example628546
-Ref: Function Example-Footnote-1631468
-Node: Function Calling631490
-Node: Calling A Function632078
-Node: Variable Scope633036
-Node: Pass By Value/Reference636030
-Node: Function Caveats638674
-Ref: Function Caveats-Footnote-1640721
-Node: Return Statement640841
-Node: Dynamic Typing643820
-Node: Indirect Calls644750
-Node: Functions Summary655677
-Node: Library Functions658382
-Ref: Library Functions-Footnote-1661866
-Ref: Library Functions-Footnote-2662009
-Node: Library Names662180
-Ref: Library Names-Footnote-1665847
-Ref: Library Names-Footnote-2666070
-Node: General Functions666156
-Node: Strtonum Function667338
-Node: Assert Function670360
-Node: Round Function673686
-Node: Cliff Random Function675226
-Node: Ordinal Functions676242
-Ref: Ordinal Functions-Footnote-1679305
-Ref: Ordinal Functions-Footnote-2679557
-Node: Join Function679767
-Ref: Join Function-Footnote-1681537
-Node: Getlocaltime Function681737
-Node: Readfile Function685479
-Node: Shell Quoting687456
-Node: Isnumeric Function688884
-Node: Data File Management690272
-Node: Filetrans Function690904
-Node: Rewind Function695000
-Node: File Checking696909
-Ref: File Checking-Footnote-1698243
-Node: Empty Files698444
-Node: Ignoring Assigns700423
-Node: Getopt Function701973
-Ref: Getopt Function-Footnote-1717270
-Node: Passwd Functions717470
-Ref: Passwd Functions-Footnote-1726309
-Node: Group Functions726397
-Ref: Group Functions-Footnote-1734295
-Node: Walking Arrays734502
-Node: Library Functions Summary737510
-Node: Library Exercises738916
-Node: Sample Programs739381
-Node: Running Examples740151
-Node: Clones740879
-Node: Cut Program742103
-Node: Egrep Program752243
-Node: Id Program761244
-Node: Split Program771179
-Ref: Split Program-Footnote-1781072
-Node: Tee Program781245
-Node: Uniq Program784035
-Node: Wc Program791623
-Node: Bytes vs. Characters792010
-Node: Using extensions793558
-Node: wc program794312
-Node: Miscellaneous Programs799177
-Node: Dupword Program800390
-Node: Alarm Program802420
-Node: Translate Program807275
-Ref: Translate Program-Footnote-1811840
-Node: Labels Program812110
-Ref: Labels Program-Footnote-1815461
-Node: Word Sorting815545
-Node: History Sorting819617
-Node: Extract Program821842
-Node: Simple Sed829855
-Node: Igawk Program832929
-Ref: Igawk Program-Footnote-1847558
-Ref: Igawk Program-Footnote-2847760
-Ref: Igawk Program-Footnote-3847882
-Node: Anagram Program847997
-Node: Signature Program851059
-Node: Programs Summary852306
-Node: Programs Exercises853520
-Ref: Programs Exercises-Footnote-1857650
-Node: Advanced Features857736
-Node: Nondecimal Data860133
-Node: Boolean Typed Values861731
-Node: Array Sorting863612
-Node: Controlling Array Traversal864317
-Ref: Controlling Array Traversal-Footnote-1872685
-Node: Array Sorting Functions872803
-Ref: Array Sorting Functions-Footnote-1878714
-Node: Two-way I/O878910
-Ref: Two-way I/O-Footnote-1886636
-Ref: Two-way I/O-Footnote-2886823
-Node: TCP/IP Networking886905
-Node: Profiling889981
-Node: Persistent Memory899287
-Ref: Persistent Memory-Footnote-1907208
-Node: Extension Philosophy907335
-Node: Advanced Features Summary908822
-Node: Internationalization910994
-Node: I18N and L10N912668
-Node: Explaining gettext913355
-Ref: Explaining gettext-Footnote-1919247
-Ref: Explaining gettext-Footnote-2919432
-Node: Programmer i18n919597
-Ref: Programmer i18n-Footnote-1924546
-Node: Translator i18n924595
-Node: String Extraction925389
-Ref: String Extraction-Footnote-1926521
-Node: Printf Ordering926607
-Ref: Printf Ordering-Footnote-1929393
-Node: I18N Portability929457
-Ref: I18N Portability-Footnote-1931913
-Node: I18N Example931976
-Ref: I18N Example-Footnote-1935251
-Ref: I18N Example-Footnote-2935324
-Node: Gawk I18N935433
-Node: I18N Summary936055
-Node: Debugger937396
-Node: Debugging938396
-Node: Debugging Concepts938837
-Node: Debugging Terms940646
-Node: Awk Debugging943221
-Ref: Awk Debugging-Footnote-1944166
-Node: Sample Debugging Session944298
-Node: Debugger Invocation944832
-Node: Finding The Bug946218
-Node: List of Debugger Commands952692
-Node: Breakpoint Control954025
-Node: Debugger Execution Control957719
-Node: Viewing And Changing Data961081
-Node: Execution Stack964622
-Node: Debugger Info966259
-Node: Miscellaneous Debugger Commands970330
-Node: Readline Support975392
-Node: Limitations976288
-Node: Debugging Summary978842
-Node: Namespaces980121
-Node: Global Namespace981232
-Node: Qualified Names982630
-Node: Default Namespace983629
-Node: Changing The Namespace984370
-Node: Naming Rules985984
-Node: Internal Name Management987832
-Node: Namespace Example988874
-Node: Namespace And Features991436
-Node: Namespace Summary992871
-Node: Arbitrary Precision Arithmetic994348
-Node: Computer Arithmetic995835
-Ref: table-numeric-ranges999601
-Ref: table-floating-point-ranges1000095
-Ref: Computer Arithmetic-Footnote-11000754
-Node: Math Definitions1000811
-Ref: table-ieee-formats1003787
-Node: MPFR features1004355
-Node: MPFR On Parole1004800
-Ref: MPFR On Parole-Footnote-11005629
-Node: MPFR Intro1005784
-Node: FP Math Caution1007435
-Ref: FP Math Caution-Footnote-11008507
-Node: Inexactness of computations1008876
-Node: Inexact representation1009907
-Node: Comparing FP Values1011267
-Node: Errors accumulate1012508
-Node: Strange values1013964
-Ref: Strange values-Footnote-11016552
-Node: Getting Accuracy1016657
-Node: Try To Round1019367
-Node: Setting precision1020266
-Ref: table-predefined-precision-strings1020963
-Node: Setting the rounding mode1022794
-Ref: table-gawk-rounding-modes1023168
-Ref: Setting the rounding mode-Footnote-11027100
-Node: Arbitrary Precision Integers1027279
-Ref: Arbitrary Precision Integers-Footnote-11030454
-Node: Checking for MPFR1030603
-Node: POSIX Floating Point Problems1032077
-Ref: POSIX Floating Point Problems-Footnote-11036730
-Node: Floating point summary1036768
-Node: Dynamic Extensions1038958
-Node: Extension Intro1040511
-Node: Plugin License1041777
-Node: Extension Mechanism Outline1042574
-Ref: figure-load-extension1043013
-Ref: figure-register-new-function1044579
-Ref: figure-call-new-function1045672
-Node: Extension API Description1047735
-Node: Extension API Functions Introduction1049448
-Ref: table-api-std-headers1051284
-Node: General Data Types1055534
-Ref: General Data Types-Footnote-11064240
-Node: Memory Allocation Functions1064539
-Ref: Memory Allocation Functions-Footnote-11069040
-Node: Constructor Functions1069139
-Node: API Ownership of MPFR and GMP Values1072792
-Node: Registration Functions1074325
-Node: Extension Functions1075025
-Node: Exit Callback Functions1080347
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+Node: GNU Free Documentation License1430495
+Node: Index1455615
 
 End Tag Table
 
diff --git a/doc/gawk.texi b/doc/gawk.texi
index c553f3e6..db4c94c8 100644
--- a/doc/gawk.texi
+++ b/doc/gawk.texi
@@ -6694,6 +6694,8 @@ Matches the empty string that occurs between two
 word-constituent characters. For example,
 @code{/\Brat\B/} matches @samp{crate}, but it does not match @samp{dirty rat}.
 @samp{\B} is essentially the opposite of @samp{\y}.
+Another way to think of this is that @samp{\B} matches the empty string
+provided it's not at the edge of a word.
 @end table
 
 @cindex buffers @subentry operators for
@@ -40227,7 +40229,8 @@ It returns one on success, or zero upon failure
 This function takes a string argument, which is the name of the
 file from which to read the contents of various global variables.
 For each variable in the file, the data is loaded unless the variable
-already exists. If the variable already exists, the data for that variable
+has already been assigned a value or used as an array.
+In that case, the data for that variable
 in the file is ignored.
 It returns one on success, or zero upon failure.
 @end table
diff --git a/doc/gawktexi.in b/doc/gawktexi.in
index bf093bb6..81ec46ea 100644
--- a/doc/gawktexi.in
+++ b/doc/gawktexi.in
@@ -6378,6 +6378,8 @@ Matches the empty string that occurs between two
 word-constituent characters. For example,
 @code{/\Brat\B/} matches @samp{crate}, but it does not match @samp{dirty rat}.
 @samp{\B} is essentially the opposite of @samp{\y}.
+Another way to think of this is that @samp{\B} matches the empty string
+provided it's not at the edge of a word.
 @end table
 
 @cindex buffers @subentry operators for
@@ -39070,7 +39072,8 @@ It returns one on success, or zero upon failure
 This function takes a string argument, which is the name of the
 file from which to read the contents of various global variables.
 For each variable in the file, the data is loaded unless the variable
-already exists. If the variable already exists, the data for that variable
+has already been assigned a value or used as an array.
+In that case, the data for that variable
 in the file is ignored.
 It returns one on success, or zero upon failure.
 @end table
diff --git a/extension/ChangeLog b/extension/ChangeLog
index 2fb0edff..db568436 100644
--- a/extension/ChangeLog
+++ b/extension/ChangeLog
@@ -1,3 +1,8 @@
+2022-09-17         Arnold D. Robbins     <arnold@skeeve.com>
+
+	* rwarray.c (do_poke): Handle namespaced variables (foo::bar).
+	Thanks to J Naman, <gawker@703n.com> for the report.
+
 2022-09-04         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* 5.2.0: Release tar ball made.
diff --git a/extension/rwarray.c b/extension/rwarray.c
index 3e09102e..1a3a7d10 100644
--- a/extension/rwarray.c
+++ b/extension/rwarray.c
@@ -454,15 +454,34 @@ do_poke(awk_element_t *e)
 
 	if (e->index.val_type != AWK_STRING)
 		return awk_false;
-	/* So this is a bit tricky. If the program refers to the variable,
+	/*
+	 * So this is a bit tricky. If the program refers to the variable,
 	 * then it will already exist in an undefined state after parsing.
 	 * If the program never refers to it, then the lookup fails.
 	 * We still need to create it in case the program accesses it via
-	 * indirection through the SYMTAB table. */
-	if (sym_lookup(e->index.str_value.str, AWK_UNDEFINED, &t) && (t.val_type != AWK_UNDEFINED))
+	 * indirection through the SYMTAB table.
+	 */
+	// it's even trickier, we need to handle foo::bar as well
+	char *p = strstr(e->index.str_value.str, "::");
+	char *ns, *ident;
+	if (p != NULL) {
+		ns = e->index.str_value.str;
+		ident = p + 2;
+		*p = '\0';
+	} else {
+		ns = "";
+		ident = e->index.str_value.str;
+	}
+
+	if (sym_lookup_ns(ns, ident, AWK_UNDEFINED, & t)
+	    && (t.val_type != AWK_UNDEFINED))
 		return awk_false;
-	if (! sym_update(e->index.str_value.str, & e->value)) {
-		warning(ext_id, _("readall: unable to set %s"), e->index.str_value.str);
+
+	if (! sym_update_ns(ns, ident, & e->value)) {
+		if (ns[0])
+			warning(ext_id, _("readall: unable to set %s::%s"), ns, ident);
+		else
+			warning(ext_id, _("readall: unable to set %s"), ident);
 		return awk_false;
 	}
 	return awk_true;
diff --git a/pc/ChangeLog b/pc/ChangeLog
index 8733d2af..3f73f70d 100644
--- a/pc/ChangeLog
+++ b/pc/ChangeLog
@@ -1,3 +1,7 @@
+2022-09-16         Arnold D. Robbins     <arnold@skeeve.com>
+
+	* Makefile.tst: Regenerated.
+
 2022-09-14         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* Makefile.tst: Regenerated.
diff --git a/pc/Makefile.tst b/pc/Makefile.tst
index df530a54..7fc78920 100644
--- a/pc/Makefile.tst
+++ b/pc/Makefile.tst
@@ -189,7 +189,8 @@ GAWK_EXT_TESTS = \
 	arraysort2 arraytype asortbool backw badargs beginfile1 beginfile2 \
 	binmode1 charasbytes clos1way clos1way2 clos1way3 clos1way4 \
 	clos1way5 clos1way6 colonwarn commas crlf csv1 dbugeval dbugeval2 \
-	dbugeval3 dbugtypedre1 dbugtypedre2 delsub devfd devfd1 devfd2 \
+	dbugeval3 dbugeval4 dbugtypedre1 dbugtypedre2 delsub \
+	devfd devfd1 devfd2 \
 	dfacheck1 dumpvars elemnew1 elemnew2 elemnew3 \
 	errno exit fieldwdth forcenum fpat1 fpat2 \
 	fpat3 fpat4 fpat5 fpat6 fpat7 fpat8 fpat9 fpatnull fsfwfs functab1 \
@@ -244,7 +245,7 @@ SHLIB_TESTS = \
 
 
 # List of the tests which should be run with --debug option:
-NEED_DEBUG = dbugtypedre1 dbugtypedre2 dbugeval2 dbugeval3
+NEED_DEBUG = dbugtypedre1 dbugtypedre2 dbugeval2 dbugeval3 dbugeval4
 
 # List of the tests which should be run with --lint option:
 NEED_LINT = \
@@ -2721,6 +2722,11 @@ dbugeval3:
 	@-AWKPATH="$(srcdir)" $(AWK) -f $@.awk  --debug < "$(srcdir)"/$@.in >_$@ 2>&1 || echo EXIT CODE: $$? >>_$@
 	@-$(CMP) "$(srcdir)"/$@.ok _$@ && rm -f _$@
 
+dbugeval4:
+	@echo $@
+	@-AWKPATH="$(srcdir)" $(AWK) -f $@.awk  --debug < "$(srcdir)"/$@.in >_$@ 2>&1 || echo EXIT CODE: $$? >>_$@
+	@-$(CMP) "$(srcdir)"/$@.ok _$@ && rm -f _$@
+
 dbugtypedre1:
 	@echo $@
 	@-AWKPATH="$(srcdir)" $(AWK) -f $@.awk  --debug < "$(srcdir)"/$@.in >_$@ 2>&1 || echo EXIT CODE: $$? >>_$@
diff --git a/test/ChangeLog b/test/ChangeLog
index 1ecdb39c..334e4667 100644
--- a/test/ChangeLog
+++ b/test/ChangeLog
@@ -1,3 +1,13 @@
+2022-09-17         Arnold D. Robbins     <arnold@skeeve.com>
+
+	* readall.ok, readall1.awk, readall2.awk: Update for code changes.
+
+2022-09-16         Arnold D. Robbins     <arnold@skeeve.com>
+
+	* Makefile.am (EXTRA_DIST): New test: dbugeval4.
+	(NEED_DEBUG): Add dbugeval4.
+	* dbugeval4.awk, dbugeval4.in, dbugeval4.ok: New files.
+
 2022-09-14         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* Makefile.am (EXTRA_DIST): New tests: elemnew1, elemnew2, elemnew3.
diff --git a/test/Makefile.am b/test/Makefile.am
index c8707d22..7c1197dc 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -237,6 +237,9 @@ EXTRA_DIST = \
 	dbugeval3.awk \
 	dbugeval3.in \
 	dbugeval3.ok \
+	dbugeval4.awk \
+	dbugeval4.in \
+	dbugeval4.ok \
 	dbugtypedre1.awk \
 	dbugtypedre1.in \
 	dbugtypedre1.ok \
@@ -1488,7 +1491,8 @@ GAWK_EXT_TESTS = \
 	arraysort2 arraytype asortbool backw badargs beginfile1 beginfile2 \
 	binmode1 charasbytes clos1way clos1way2 clos1way3 clos1way4 \
 	clos1way5 clos1way6 colonwarn commas crlf csv1 dbugeval dbugeval2 \
-	dbugeval3 dbugtypedre1 dbugtypedre2 delsub devfd devfd1 devfd2 \
+	dbugeval3 dbugeval4 dbugtypedre1 dbugtypedre2 delsub \
+	devfd devfd1 devfd2 \
 	dfacheck1 dumpvars elemnew1 elemnew2 elemnew3 \
 	errno exit fieldwdth forcenum fpat1 fpat2 \
 	fpat3 fpat4 fpat5 fpat6 fpat7 fpat8 fpat9 fpatnull fsfwfs functab1 \
@@ -1546,7 +1550,7 @@ SHLIB_TESTS = \
 	testext time
 
 # List of the tests which should be run with --debug option:
-NEED_DEBUG = dbugtypedre1 dbugtypedre2 dbugeval2 dbugeval3
+NEED_DEBUG = dbugtypedre1 dbugtypedre2 dbugeval2 dbugeval3 dbugeval4
 
 # List of the tests which should be run with --lint option:
 NEED_LINT = \
diff --git a/test/Makefile.in b/test/Makefile.in
index f02bbccb..05516ed7 100644
--- a/test/Makefile.in
+++ b/test/Makefile.in
@@ -505,6 +505,9 @@ EXTRA_DIST = \
 	dbugeval3.awk \
 	dbugeval3.in \
 	dbugeval3.ok \
+	dbugeval4.awk \
+	dbugeval4.in \
+	dbugeval4.ok \
 	dbugtypedre1.awk \
 	dbugtypedre1.in \
 	dbugtypedre1.ok \
@@ -1756,7 +1759,8 @@ GAWK_EXT_TESTS = \
 	arraysort2 arraytype asortbool backw badargs beginfile1 beginfile2 \
 	binmode1 charasbytes clos1way clos1way2 clos1way3 clos1way4 \
 	clos1way5 clos1way6 colonwarn commas crlf csv1 dbugeval dbugeval2 \
-	dbugeval3 dbugtypedre1 dbugtypedre2 delsub devfd devfd1 devfd2 \
+	dbugeval3 dbugeval4 dbugtypedre1 dbugtypedre2 delsub \
+	devfd devfd1 devfd2 \
 	dfacheck1 dumpvars elemnew1 elemnew2 elemnew3 \
 	errno exit fieldwdth forcenum fpat1 fpat2 \
 	fpat3 fpat4 fpat5 fpat6 fpat7 fpat8 fpat9 fpatnull fsfwfs functab1 \
@@ -1811,7 +1815,7 @@ SHLIB_TESTS = \
 
 
 # List of the tests which should be run with --debug option:
-NEED_DEBUG = dbugtypedre1 dbugtypedre2 dbugeval2 dbugeval3
+NEED_DEBUG = dbugtypedre1 dbugtypedre2 dbugeval2 dbugeval3 dbugeval4
 
 # List of the tests which should be run with --lint option:
 NEED_LINT = \
@@ -4471,6 +4475,11 @@ dbugeval3:
 	@-AWKPATH="$(srcdir)" $(AWK) -f $@.awk  --debug < "$(srcdir)"/$@.in >_$@ 2>&1 || echo EXIT CODE: $$? >>_$@
 	@-$(CMP) "$(srcdir)"/$@.ok _$@ && rm -f _$@
 
+dbugeval4:
+	@echo $@
+	@-AWKPATH="$(srcdir)" $(AWK) -f $@.awk  --debug < "$(srcdir)"/$@.in >_$@ 2>&1 || echo EXIT CODE: $$? >>_$@
+	@-$(CMP) "$(srcdir)"/$@.ok _$@ && rm -f _$@
+
 dbugtypedre1:
 	@echo $@
 	@-AWKPATH="$(srcdir)" $(AWK) -f $@.awk  --debug < "$(srcdir)"/$@.in >_$@ 2>&1 || echo EXIT CODE: $$? >>_$@
diff --git a/test/Maketests b/test/Maketests
index 11130eef..bae0dc5d 100644
--- a/test/Maketests
+++ b/test/Maketests
@@ -1417,6 +1417,11 @@ dbugeval3:
 	@-AWKPATH="$(srcdir)" $(AWK) -f $@.awk  --debug < "$(srcdir)"/$@.in >_$@ 2>&1 || echo EXIT CODE: $$? >>_$@
 	@-$(CMP) "$(srcdir)"/$@.ok _$@ && rm -f _$@
 
+dbugeval4:
+	@echo $@
+	@-AWKPATH="$(srcdir)" $(AWK) -f $@.awk  --debug < "$(srcdir)"/$@.in >_$@ 2>&1 || echo EXIT CODE: $$? >>_$@
+	@-$(CMP) "$(srcdir)"/$@.ok _$@ && rm -f _$@
+
 dbugtypedre1:
 	@echo $@
 	@-AWKPATH="$(srcdir)" $(AWK) -f $@.awk  --debug < "$(srcdir)"/$@.in >_$@ 2>&1 || echo EXIT CODE: $$? >>_$@
diff --git a/test/dbugeval4.awk b/test/dbugeval4.awk
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/test/dbugeval4.awk
diff --git a/test/dbugeval4.in b/test/dbugeval4.in
new file mode 100644
index 00000000..cf7b513f
--- /dev/null
+++ b/test/dbugeval4.in
@@ -0,0 +1,2 @@
+eval "a()"
+eval "print 1"
diff --git a/test/dbugeval4.ok b/test/dbugeval4.ok
new file mode 100644
index 00000000..a40d0891
--- /dev/null
+++ b/test/dbugeval4.ok
@@ -0,0 +1,5 @@
+gawk: cmd. line:1: fatal: function `a' not defined
+fatal error during eval, need to restart.
+Restarting ...
+1
+EXIT CODE: 2
diff --git a/test/readall.ok b/test/readall.ok
index b343af59..8aa6899f 100644
--- a/test/readall.ok
+++ b/test/readall.ok
@@ -1,6 +1,7 @@
 1
 1
 5.9 3 -2.327
+42
 zebra[archie] = banana
 zebra[0] = apple
 zebra[3][foo] = bar
diff --git a/test/readall1.awk b/test/readall1.awk
index 2888d157..4f90c73d 100644
--- a/test/readall1.awk
+++ b/test/readall1.awk
@@ -2,6 +2,7 @@ BEGIN {
 	x = 5.9
 	y = 3
 	z = -2.327
+	guide::answer = 42
 	zebra[0] = "apple"
 	zebra["archie"] = "banana"
 	zebra[3]["foo"] = "bar"
diff --git a/test/readall2.awk b/test/readall2.awk
index 8b79849a..af45751d 100644
--- a/test/readall2.awk
+++ b/test/readall2.awk
@@ -10,6 +10,7 @@ function printarray(n, x,   i) {
 BEGIN {
 	print readall(ifile)
 	print x, y, z
+	print guide::answer
 	#print zebra[0], zebra[3]["foo"], zebra[3]["bar"]
 	printarray("zebra", zebra)
 }