Document %a/%A is also for BWK awk.

4 files changed, 464 insertions, 462 deletions

diff --git a/doc/ChangeLog b/doc/ChangeLog
index f43fcb18..4d75cb7c 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,6 +1,8 @@
 2018-08-26         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* gawktexi.in (Other Versions): Updated info on BWK awk.
+	* gawktexi.in (Control Letters): Note that BWK awk now also
+	supports %a/%A.
 
 2018-08-24         Arnold D. Robbins     <arnold@skeeve.com>
 
diff --git a/doc/gawk.info b/doc/gawk.info
index a9995ebe..613c8098 100644
--- a/doc/gawk.info
+++ b/doc/gawk.info
@@ -6635,10 +6635,10 @@ width.  Here is a list of the format-control letters:
      hexadecimal floating point format).  For '%A', uppercase letters
      are used instead of lowercase ones.
 
-          NOTE: While the current POSIX standard requires support for
-          '%a' and '%A' in 'awk', as far as we know, no other version of
-          'awk' actually implements it.  It's use is thus highly
-          nonportable!
+          NOTE: The current POSIX standard requires support for '%a' and
+          '%A' in 'awk'.  As far as we know, besides 'gawk', the only
+          other version of 'awk' that actually implements it is BWK
+          'awk'.  It's use is thus highly nonportable!
 
           Furthermore, these formats are not available on any system
           where the underlying C library 'printf()' function does not
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+Ref: Egrep Program-Footnote-1729420
+Node: Id Program729530
+Node: Split Program733210
+Ref: Split Program-Footnote-1736668
+Node: Tee Program736797
+Node: Uniq Program739587
+Node: Wc Program747013
+Ref: Wc Program-Footnote-1751268
+Node: Miscellaneous Programs751362
+Node: Dupword Program752575
+Node: Alarm Program754605
+Node: Translate Program759460
+Ref: Translate Program-Footnote-1764025
+Node: Labels Program764295
+Ref: Labels Program-Footnote-1767646
+Node: Word Sorting767730
+Node: History Sorting771802
+Node: Extract Program773637
+Node: Simple Sed781691
+Node: Igawk Program784765
+Ref: Igawk Program-Footnote-1799096
+Ref: Igawk Program-Footnote-2799298
+Ref: Igawk Program-Footnote-3799420
+Node: Anagram Program799535
+Node: Signature Program802597
+Node: Programs Summary803844
+Node: Programs Exercises805058
+Ref: Programs Exercises-Footnote-1809187
+Node: Advanced Features809278
+Node: Nondecimal Data811268
+Node: Array Sorting812859
+Node: Controlling Array Traversal813559
+Ref: Controlling Array Traversal-Footnote-1821927
+Node: Array Sorting Functions822045
+Ref: Array Sorting Functions-Footnote-1827136
+Node: Two-way I/O827332
+Ref: Two-way I/O-Footnote-1835052
+Ref: Two-way I/O-Footnote-2835239
+Node: TCP/IP Networking835321
+Node: Profiling838439
+Ref: Profiling-Footnote-1847111
+Node: Advanced Features Summary847434
+Node: Internationalization849278
+Node: I18N and L10N850758
+Node: Explaining gettext851445
+Ref: Explaining gettext-Footnote-1857337
+Ref: Explaining gettext-Footnote-2857522
+Node: Programmer i18n857687
+Ref: Programmer i18n-Footnote-1862636
+Node: Translator i18n862685
+Node: String Extraction863479
+Ref: String Extraction-Footnote-1864611
+Node: Printf Ordering864697
+Ref: Printf Ordering-Footnote-1867483
+Node: I18N Portability867547
+Ref: I18N Portability-Footnote-1870003
+Node: I18N Example870066
+Ref: I18N Example-Footnote-1872872
+Node: Gawk I18N872945
+Node: I18N Summary873590
+Node: Debugger874931
+Node: Debugging875954
+Node: Debugging Concepts876395
+Node: Debugging Terms878204
+Node: Awk Debugging880779
+Node: Sample Debugging Session881685
+Node: Debugger Invocation882219
+Node: Finding The Bug883605
+Node: List of Debugger Commands890083
+Node: Breakpoint Control891416
+Node: Debugger Execution Control895110
+Node: Viewing And Changing Data898472
+Node: Execution Stack901846
+Node: Debugger Info903483
+Node: Miscellaneous Debugger Commands907554
+Node: Readline Support912616
+Node: Limitations913512
+Node: Debugging Summary915621
+Node: Arbitrary Precision Arithmetic916900
+Node: Computer Arithmetic918385
+Ref: table-numeric-ranges922151
+Ref: table-floating-point-ranges922644
+Ref: Computer Arithmetic-Footnote-1923302
+Node: Math Definitions923359
+Ref: table-ieee-formats926675
+Ref: Math Definitions-Footnote-1927278
+Node: MPFR features927383
+Node: FP Math Caution929101
+Ref: FP Math Caution-Footnote-1930173
+Node: Inexactness of computations930542
+Node: Inexact representation931502
+Node: Comparing FP Values932862
+Node: Errors accumulate934103
+Node: Getting Accuracy935536
+Node: Try To Round938246
+Node: Setting precision939145
+Ref: table-predefined-precision-strings939842
+Node: Setting the rounding mode941672
+Ref: table-gawk-rounding-modes942046
+Ref: Setting the rounding mode-Footnote-1945977
+Node: Arbitrary Precision Integers946156
+Ref: Arbitrary Precision Integers-Footnote-1949331
+Node: Checking for MPFR949480
+Node: POSIX Floating Point Problems950954
+Ref: POSIX Floating Point Problems-Footnote-1955239
+Node: Floating point summary955277
+Node: Dynamic Extensions957467
+Node: Extension Intro959020
+Node: Plugin License960286
+Node: Extension Mechanism Outline961083
+Ref: figure-load-extension961522
+Ref: figure-register-new-function963087
+Ref: figure-call-new-function964179
+Node: Extension API Description966241
+Node: Extension API Functions Introduction967883
+Node: General Data Types973423
+Ref: General Data Types-Footnote-1981784
+Node: Memory Allocation Functions982083
+Ref: Memory Allocation Functions-Footnote-1986293
+Node: Constructor Functions986392
+Node: Registration Functions989978
+Node: Extension Functions990663
+Node: Exit Callback Functions995878
+Node: Extension Version String997128
+Node: Input Parsers997791
+Node: Output Wrappers1010512
+Node: Two-way processors1015024
+Node: Printing Messages1017289
+Ref: Printing Messages-Footnote-11018460
+Node: Updating ERRNO1018613
+Node: Requesting Values1019352
+Ref: table-value-types-returned1020089
+Node: Accessing Parameters1021025
+Node: Symbol Table Access1022260
+Node: Symbol table by name1022772
+Node: Symbol table by cookie1024561
+Ref: Symbol table by cookie-Footnote-11028746
+Node: Cached values1028810
+Ref: Cached values-Footnote-11032346
+Node: Array Manipulation1032499
+Ref: Array Manipulation-Footnote-11033590
+Node: Array Data Types1033627
+Ref: Array Data Types-Footnote-11036285
+Node: Array Functions1036377
+Node: Flattening Arrays1040875
+Node: Creating Arrays1047851
+Node: Redirection API1052618
+Node: Extension API Variables1055451
+Node: Extension Versioning1056162
+Ref: gawk-api-version1056591
+Node: Extension GMP/MPFR Versioning1058322
+Node: Extension API Informational Variables1059950
+Node: Extension API Boilerplate1061023
+Node: Changes from API V11064997
+Node: Finding Extensions1066569
+Node: Extension Example1067128
+Node: Internal File Description1067926
+Node: Internal File Ops1072006
+Ref: Internal File Ops-Footnote-11083356
+Node: Using Internal File Ops1083496
+Ref: Using Internal File Ops-Footnote-11085879
+Node: Extension Samples1086153
+Node: Extension Sample File Functions1087682
+Node: Extension Sample Fnmatch1095331
+Node: Extension Sample Fork1096818
+Node: Extension Sample Inplace1098036
+Node: Extension Sample Ord1101253
+Node: Extension Sample Readdir1102089
+Ref: table-readdir-file-types1102978
+Node: Extension Sample Revout1103783
+Node: Extension Sample Rev2way1104372
+Node: Extension Sample Read write array1105112
+Node: Extension Sample Readfile1107054
+Node: Extension Sample Time1108149
+Node: Extension Sample API Tests1109497
+Node: gawkextlib1109989
+Node: Extension summary1112907
+Node: Extension Exercises1116609
+Node: Language History1118107
+Node: V7/SVR3.11119763
+Node: SVR41121915
+Node: POSIX1123349
+Node: BTL1124729
+Node: POSIX/GNU1125458
+Node: Feature History1131236
+Node: Common Extensions1147095
+Node: Ranges and Locales1148378
+Ref: Ranges and Locales-Footnote-11152994
+Ref: Ranges and Locales-Footnote-21153021
+Ref: Ranges and Locales-Footnote-31153256
+Node: Contributors1153477
+Node: History summary1159422
+Node: Installation1160802
+Node: Gawk Distribution1161746
+Node: Getting1162230
+Node: Extracting1163193
+Node: Distribution contents1164831
+Node: Unix Installation1171311
+Node: Quick Installation1171993
+Node: Shell Startup Files1174407
+Node: Additional Configuration Options1175496
+Node: Configuration Philosophy1177789
+Node: Non-Unix Installation1180158
+Node: PC Installation1180618
+Node: PC Binary Installation1181456
+Node: PC Compiling1181891
+Node: PC Using1183008
+Node: Cygwin1186223
+Node: MSYS1187322
+Node: VMS Installation1187823
+Node: VMS Compilation1188614
+Ref: VMS Compilation-Footnote-11189843
+Node: VMS Dynamic Extensions1189901
+Node: VMS Installation Details1191586
+Node: VMS Running1193839
+Node: VMS GNV1198118
+Node: VMS Old Gawk1198853
+Node: Bugs1199324
+Node: Bug address1199987
+Node: Usenet1202779
+Node: Maintainers1203556
+Node: Other Versions1204817
+Node: Installation summary1211375
+Node: Notes1212577
+Node: Compatibility Mode1213371
+Node: Additions1214153
+Node: Accessing The Source1215078
+Node: Adding Code1216515
+Node: New Ports1222734
+Node: Derived Files1227222
+Ref: Derived Files-Footnote-11232868
+Ref: Derived Files-Footnote-21232903
+Ref: Derived Files-Footnote-31233501
+Node: Future Extensions1233615
+Node: Implementation Limitations1234273
+Node: Extension Design1235456
+Node: Old Extension Problems1236600
+Ref: Old Extension Problems-Footnote-11238118
+Node: Extension New Mechanism Goals1238175
+Ref: Extension New Mechanism Goals-Footnote-11241539
+Node: Extension Other Design Decisions1241728
+Node: Extension Future Growth1243841
+Node: Notes summary1244677
+Node: Basic Concepts1245852
+Node: Basic High Level1246533
+Ref: figure-general-flow1246815
+Ref: figure-process-flow1247500
+Ref: Basic High Level-Footnote-11250801
+Node: Basic Data Typing1250986
+Node: Glossary1254314
+Node: Copying1286152
+Node: GNU Free Documentation License1323695
+Node: Index1348815
 
 End Tag Table
diff --git a/doc/gawk.texi b/doc/gawk.texi
index a0c8184f..5d09951d 100644
--- a/doc/gawk.texi
+++ b/doc/gawk.texi
@@ -9591,10 +9591,10 @@ For @code{%A},
 uppercase letters are used instead of lowercase ones.
 
 @quotation NOTE
-While the current POSIX standard requires support for @code{%a}
-and @code{%A} in @command{awk}, as far as we know, no other version
-of @command{awk} actually implements it.  It's use is thus highly
-nonportable!
+The current POSIX standard requires support for @code{%a} and @code{%A} in
+@command{awk}. As far as we know, besides @command{gawk}, the only other
+version of @command{awk} that actually implements it is BWK @command{awk}.
+It's use is thus highly nonportable!
 
 Furthermore, these formats are not available on any system where the
 underlying C library @code{printf()} function does not support them. As
diff --git a/doc/gawktexi.in b/doc/gawktexi.in
index c7b59a17..8b64585d 100644
--- a/doc/gawktexi.in
+++ b/doc/gawktexi.in
@@ -9190,10 +9190,10 @@ For @code{%A},
 uppercase letters are used instead of lowercase ones.
 
 @quotation NOTE
-While the current POSIX standard requires support for @code{%a}
-and @code{%A} in @command{awk}, as far as we know, no other version
-of @command{awk} actually implements it.  It's use is thus highly
-nonportable!
+The current POSIX standard requires support for @code{%a} and @code{%A} in
+@command{awk}. As far as we know, besides @command{gawk}, the only other
+version of @command{awk} that actually implements it is BWK @command{awk}.
+It's use is thus highly nonportable!
 
 Furthermore, these formats are not available on any system where the
 underlying C library @code{printf()} function does not support them. As