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[SCM] gawk branch, master, updated. gawk-4.1.0-4873-g1d717fa2


From: Arnold Robbins
Subject: [SCM] gawk branch, master, updated. gawk-4.1.0-4873-g1d717fa2
Date: Wed, 17 Aug 2022 10:14:46 -0400 (EDT)

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commit 1d717fa2f10c2cba98c67b95390a992354f6617d
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Wed Aug 17 17:14:17 2022 +0300

    Update doc/pm-gawk.texi.

diff --git a/doc/ChangeLog b/doc/ChangeLog
index 985cb3a5..91e52600 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -3,6 +3,10 @@
        * gawktexi.in: Fix up the formatting in the VMS bits.
        * wordlist: Updated.
 
+       Unrelated:
+
+       * pm-gawk.texi: Updated from Terence Kelly.
+
 2202-08-16         John E. Malmberg      <wb8tyw@qsl.net>
 
        * gawktexi.in (OpenVMS):  Start of support for VMS Software, Inc.
diff --git a/doc/pm-gawk.info b/doc/pm-gawk.info
index 58440ec7..5503b317 100644
--- a/doc/pm-gawk.info
+++ b/doc/pm-gawk.info
@@ -65,15 +65,15 @@ File: pm-gawk.info,  Node: Introduction,  Next: Quick 
Start,  Prev: Top,  Up: To
 **************
 
 
-GNU AWK ('gawk') 5.2, expected in August 2022, introduces a new
+GNU AWK ('gawk') 5.2, expected in September 2022, introduces a new
 _persistent memory_ feature that makes AWK scripting easier and
 sometimes improves performance.  The new feature, called "pm-'gawk',"
 can "remember" script-defined variables and functions across executions
 and can pass variables and functions between unrelated scripts without
 serializing/parsing text files--all with near-zero fuss.  pm-'gawk' does
 _not_ require non-volatile memory hardware nor any other exotic
-infrastructure; pm-'gawk' runs on the ordinary conventional computers
-and operating systems that most of us have been using for decades.
+infrastructure; it runs on the ordinary conventional computers and
+operating systems that most of us have been using for decades.
 
 
 The main 'gawk' documentation(1) covers the basics of the new
@@ -82,16 +82,16 @@ detail, tutorial examples, and a peek under the hood of 
pm-'gawk'.  If
 you're familiar with 'gawk' and Unix-like environments, dive straight
 in:
 
-   * *note Quick Start:: hits the ground running with a few keystrokes
+   * *note Quick Start:: hits the ground running with a few keystrokes.
    * *note Examples:: shows how pm-'gawk' streamlines typical AWK
-     scripting
+     scripting.
    * *note Performance:: covers asymptotic efficiency, OS tuning, and
-     more
-   * *note Data Integrity:: explains how to protect data from mishaps
-   * *note Acknowledgments:: thanks those who made pm-'gawk' happen
-   * *note Installation:: shows where obtain pm-'gawk'
-   * *note Debugging:: explains how to handle suspected bugs
-   * *note History:: traces pm-'gawk''s persistence technology
+     more.
+   * *note Data Integrity:: explains how to protect data from mishaps.
+   * *note Acknowledgments:: thanks those who made pm-'gawk' happen.
+   * *note Installation:: shows where obtain pm-'gawk'.
+   * *note Debugging:: explains how to handle suspected bugs.
+   * *note History:: traces pm-'gawk''s persistence technology.
 
 
 You can find the latest version of this manual, and also the "director's
@@ -103,8 +103,9 @@ pm-'gawk':
 Two publications describe the persistent memory allocator and early
 experiences with a pm-'gawk' prototype based on a fork of the official
 'gawk' sources:
-<https://queue.acm.org/detail.cfm?id=3534855>
-<http://nvmw.ucsd.edu/nvmw2022-program/nvmw2022-data/nvmw2022-paper35-final_version_your_extended_abstract.pdf>
+   * <https://queue.acm.org/detail.cfm?id=3534855>
+   * 
+     
<http://nvmw.ucsd.edu/nvmw2022-program/nvmw2022-data/nvmw2022-paper35-final_version_your_extended_abstract.pdf>
 
 
 Feel free to send me questions, suggestions, and experiences:
@@ -115,8 +116,8 @@ Feel free to send me questions, suggestions, and 
experiences:
 
    ---------- Footnotes ----------
 
-   (1) <https://www.gnu.org/software/gawk/manual/>   and   'man gawk'  
-and   'info gawk'
+   (1) See <https://www.gnu.org/software/gawk/manual/>   and   'man
+gawk'   and   'info gawk'.
 
 
 File: pm-gawk.info,  Node: Quick Start,  Next: Examples,  Prev: Introduction,  
Up: Top
@@ -166,8 +167,8 @@ The first 'gawk' invocation sees the special envar 
prepended on the
 command line, so it activates pm-'gawk'.  The second 'gawk' invocation,
 however, does _not_ see the envar and therefore does not access the
 script variable stored in the heap file.  The third 'gawk' invocation
-sees the special envar and therefore uses the script variable from the
-heap file.
+does see the special envar and therefore uses the script variable from
+the heap file.
 
    While sometimes less error prone than ambient envars, per-command
 envar passing as shown above is verbose and shouty.  A shell alias saves
@@ -205,13 +206,13 @@ happily ever after"):
         $ gawk 'BEGIN{print ts["necktie"], ts["knife"]}'  # query
         2 27
 The 'truncate' command above creates a heap file large enough to store
-all of the data it must eventually contain, with plenty of room to spare
-(as we'll see in *note Sparse Heap Files::, this isn't wasteful).  The
-'export' command ensures that subsequent 'gawk' invocations activate
-pm-'gawk'.  The first pm-'gawk' command stores 'Tom Sawyer''s word
-frequencies in associative array 'ts[]'.  Because this array is
-persistent, subsequent pm-'gawk' commands can access it without having
-to parse the input file again.
+all of the data it must eventually contain, with plenty of room to
+spare.  (As we'll see in *note Sparse Heap Files::, this isn't
+wasteful.)  The 'export' command ensures that subsequent 'gawk'
+invocations activate pm-'gawk'.  The first pm-'gawk' command stores 'Tom
+Sawyer''s word frequencies in associative array 'ts[]'.  Because this
+array is persistent, subsequent pm-'gawk' commands can access it without
+having to parse the input file again.
 
    Expanding our analysis to encompass a second book is easy.  Let's
 populate a new associative array 'hf[]' with the word frequencies in
@@ -270,7 +271,7 @@ pm-'gawk' requires changing the above script to ensure that 
'min' and
 'max' are initialized exactly once, when the heap file is first used,
 and _not_ every time the script runs.  Furthermore, whereas
 script-defined variables such as 'min' retain their values across
-pm-'gawk' executions, built-in AWK variables such as 'NR' are re-set to
+pm-'gawk' executions, built-in AWK variables such as 'NR' are reset to
 zero every time pm-'gawk' runs, so we can't use them in the same way.
 Here's a modified script for pm-'gawk':
         $ cat summary_persistent.awk
@@ -370,7 +371,7 @@ This chapter explains several performance advantages that 
result from
 the implementation of persistent memory in pm-'gawk', shows how tuning
 the underlying operating system sometimes improves performance, and
 presents experimental performance measurements.  To make the discussion
-concrete, we use examples from a "GNU/Linux" system--GNU utilities atop
+concrete, we use examples from a GNU/Linux system--GNU utilities atop
 the Linux OS--but the principles apply to other modern operating
 systems.
 
@@ -632,14 +633,14 @@ cache.  Read about 'sync' and '/proc/sys/vm/drop_caches' 
at
    (1) Remarkably, this guideline is widely ignored in surprising ways.
 Certain well-known textbook algorithms continue to grind away
 fruitlessly long after having computed all of their output.
-<https://queue.acm.org/detail.cfm?id=3424304>
+See <https://queue.acm.org/detail.cfm?id=3424304>.
 
    (2) In recent years the term "persistent memory" has sometimes been
 used to denote novel byte-addressable non-volatile memory hardware--an
 unfortunate practice that contradicts sensible long-standing convention
 and causes needless confusion.  NVM provides durability.  Persistent
-memory is a software abstraction that doesn't require NVM.
-<https://queue.acm.org/detail.cfm?id=3358957>
+memory is a software abstraction that doesn't require NVM. See
+<https://queue.acm.org/detail.cfm?id=3358957>.
 
 
 File: pm-gawk.info,  Node: Experiments,  Next: Results,  Prev: Persistence 
versus Durability,  Up: Performance
@@ -650,12 +651,11 @@ File: pm-gawk.info,  Node: Experiments,  Next: Results,  
Prev: Persistence versu
 The C-shell ('csh') script listed below illustrates concepts and
 implements tips presented in this chapter.  It produced the results
 discussed in *note Results:: in roughly 20 minutes on an aging laptop.
-You should be able to cut and paste the code listing below into a file
-and get it running without excessive fuss; write to me if you have
-difficulty.
+You can cut and paste the code listing below into a file, or download it
+from <http://web.eecs.umich.edu/~tpkelly/pma/>.
 
    The script measures the performance of four different ways to support
-word frequency queries over a text corpus: The naive approach of reading
+word frequency queries over a text corpus: The naïve approach of reading
 the corpus into an associative array for every query; manually dumping a
 text representation of the word-frequency table and manually loading it
 prior to a query; using 'gawk''s 'rwarray' extension to dump and load an
@@ -687,7 +687,7 @@ input, reporting separately the time to build and to query 
the
 associative array containing word frequencies.
 
 
-#!/bin/csh -f                                                                  
     #   1
+#!/bin/csh -f
 # Set PMG envar to path of pm-gawk executable and AWKLIBPATH                   
     #   2
 #    to find rwarray.so                                                        
     #   3
 # Requires "sudo" to work; consider this for /etc/sudoers file:                
     #   4
@@ -924,7 +924,7 @@ realistic failures.  For realistic power-failure testing, 
see
 If reflink copying is not available, '--sparse=always' should be used.
 
    (3) See
-<https://www.usenix.org/system/files/login/articles/login_winter19_08_kelly.pdf>
+<https://www.usenix.org/system/files/login/articles/login_winter19_08_kelly.pdf>.
 
    (4) On some OSes 'sync' provides very weak guarantees, but on Linux
 'sync' returns only after all file system data are flushed down to
@@ -951,8 +951,8 @@ drafts of this user manual and provided useful feedback.  
Bentley
 suggested the min/max/mean example in *note Examples::, and also the
 exercise of making Kernighan & Pike's "Markov" script persistent.  Volos
 provided and tested the advice on tuning OS parameters in *note Virtual
-Memory and Big Data::.  Stan Park answered several questions about
-virtual memory, file systems, and utilities.
+Memory and Big Data::.  Stan Park provided insights about virtual
+memory, file systems, and utilities.
 
 
 File: pm-gawk.info,  Node: Installation,  Next: Debugging,  Prev: 
Acknowledgments,  Up: Top
@@ -961,15 +961,15 @@ Appendix A Installation
 ***********************
 
 'gawk' 5.2 featuring persistent memory is expected to be released in
-August 2022; look for it at <http://ftp.gnu.org/gnu/gawk/>.  If 5.2 is
-not released yet, the master git branch is available at
+September 2022; look for it at <http://ftp.gnu.org/gnu/gawk/>.  If 5.2
+is not released yet, the master git branch is available at
 <http://git.savannah.gnu.org/cgit/gawk.git/snapshot/gawk-master.tar.gz>.
-Unpack the tarball, run './configure', 'make', and 'make check', then
-try some of the examples presented earlier.  In the normal course of
-events, 5.2 and later 'gawk' releases featuring pm-'gawk' will appear in
-the software package management systems of major GNU/Linux distros.
-Eventually pm-'gawk' will be available in the default 'gawk' on such
-systems.
+Unpack the tarball, run './bootstrap.sh', './configure', 'make', and
+'make check', then try some of the examples presented earlier.  In the
+normal course of events, 5.2 and later 'gawk' releases featuring
+pm-'gawk' will appear in the software package management systems of
+major GNU/Linux distros.  Eventually pm-'gawk' will be available in the
+default 'gawk' on such systems.
 
 
 File: pm-gawk.info,  Node: Debugging,  Next: History,  Prev: Installation,  
Up: Top
@@ -986,7 +986,7 @@ you're using the heap file that you intend; using the wrong 
heap file is
 a common mistake.  Other fertile sources of bugs for newcomers are the
 fact that a 'BEGIN' block is executed every time pm-'gawk' runs, which
 isn't always what you really want, and the fact that built-in AWK
-variables such as 'NR' are always re-set to zero every time the
+variables such as 'NR' are always reset to zero every time the
 interpreter runs.  See the discussion of initialization surrounding the
 min/max/mean script in *note Examples::.
 
@@ -1111,28 +1111,28 @@ anticipated.  I'm curious to see what new purposes you 
find for it.
 Tag Table:
 Node: Top806
 Node: Introduction2008
-Ref: Introduction-Footnote-14325
-Node: Quick Start4416
-Node: Examples7203
-Node: Performance16098
-Node: Constant-Time Array Access16804
-Node: Virtual Memory and Big Data20094
-Ref: Virtual Memory and Big Data-Footnote-123645
-Node: Sparse Heap Files23781
-Node: Persistence versus Durability26791
-Ref: Persistence versus Durability-Footnote-130188
-Ref: Persistence versus Durability-Footnote-230429
-Node: Experiments30818
-Node: Results42633
-Node: Data Integrity46205
-Ref: Data Integrity-Footnote-149011
-Ref: Data Integrity-Footnote-249104
-Ref: Data Integrity-Footnote-349248
-Ref: Data Integrity-Footnote-449341
-Node: Acknowledgments49696
-Node: Installation50863
-Node: Debugging51635
-Node: History53305
+Ref: Introduction-Footnote-14345
+Node: Quick Start4441
+Node: Examples7232
+Node: Performance16128
+Node: Constant-Time Array Access16832
+Node: Virtual Memory and Big Data20122
+Ref: Virtual Memory and Big Data-Footnote-123673
+Node: Sparse Heap Files23809
+Node: Persistence versus Durability26819
+Ref: Persistence versus Durability-Footnote-130216
+Ref: Persistence versus Durability-Footnote-230462
+Node: Experiments30856
+Node: Results42567
+Node: Data Integrity46139
+Ref: Data Integrity-Footnote-148945
+Ref: Data Integrity-Footnote-249038
+Ref: Data Integrity-Footnote-349182
+Ref: Data Integrity-Footnote-449276
+Node: Acknowledgments49631
+Node: Installation50789
+Node: Debugging51583
+Node: History53252
 
 End Tag Table
 
diff --git a/doc/pm-gawk.texi b/doc/pm-gawk.texi
index b432f227..3f68099a 100644
--- a/doc/pm-gawk.texi
+++ b/doc/pm-gawk.texi
@@ -65,7 +65,7 @@ A copy of the license is available at @*
 @titlepage
 @title @value{TYTL}
 @c UPDATE date below
-@subtitle 15 August 2022
+@subtitle 16 August 2022
 @subtitle @gwk{} version 5.2
 @subtitle @pmg{} version 2022.08Aug.03.1659520468 (Avon 7)
 @author Terence Kelly
@@ -118,39 +118,39 @@ persistent-memory @gwk{}.
 @sp 1
 
 @c UPDATE below after official release
-GNU AWK (@gwk{}) 5.2, expected in August 2022, introduces a new
+GNU AWK (@gwk{}) 5.2, expected in September 2022, introduces a new
 @emph{persistent memory} feature that makes AWK scripting easier and
 sometimes improves performance.  The new feature, called ``@pmg{},''
 can ``remember'' script-defined variables and functions across
 executions and can pass variables and functions between unrelated
 scripts without serializing/parsing text files---all with near-zero
 fuss.  @pmg{} does @emph{not} require non-volatile memory hardware nor
-any other exotic infrastructure; @pmg{} runs on the ordinary
-conventional computers and operating systems that most of us have been
-using for decades.
+any other exotic infrastructure; it runs on the ordinary conventional
+computers and operating systems that most of us have been using for
+decades.
 
 @sp 1
 
 @c TODO:  ADR:  hyperlinks to info page below
 
 @noindent
-The main @gwk{}
-documentation@footnote{@url{https://www.gnu.org/software/gawk/manual/}
-@w{ } and @w{ } @code{man gawk} @w{ } and @w{ } @code{info gawk}}
-covers the basics of the new persistence feature.  This supplementary
-manual provides additional detail, tutorial examples, and a peek under
-the hood of @pmg{}.  If you're familiar with @gwk{} and Unix-like
-environments, dive straight in: @*
+The main @gwk{} documentation@footnote{See
+@url{https://www.gnu.org/software/gawk/manual/} @w{ } and @w{ }
+@code{man gawk} @w{ } and @w{ } @code{info gawk}.}  covers the basics
+of the new persistence feature.  This supplementary manual provides
+additional detail, tutorial examples, and a peek under the hood of
+@pmg{}.  If you're familiar with @gwk{} and Unix-like environments,
+dive straight in: @*
 
 @itemize @c @w{}
-@item @ref{Quick Start} hits the ground running with a few keystrokes
-@item @ref{Examples} shows how @pmg{} streamlines typical AWK scripting
-@item @ref{Performance} covers asymptotic efficiency, OS tuning, and more
-@item @ref{Data Integrity} explains how to protect data from mishaps
-@item @ref{Acknowledgments} thanks those who made @pmg{} happen
-@item @ref{Installation} shows where obtain @pmg{}
-@item @ref{Debugging} explains how to handle suspected bugs
-@item @ref{History} traces @pmg{}'s persistence technology
+@item @ref{Quick Start} hits the ground running with a few keystrokes.
+@item @ref{Examples} shows how @pmg{} streamlines typical AWK scripting.
+@item @ref{Performance} covers asymptotic efficiency, OS tuning, and more.
+@item @ref{Data Integrity} explains how to protect data from mishaps.
+@item @ref{Acknowledgments} thanks those who made @pmg{} happen.
+@item @ref{Installation} shows where obtain @pmg{}.
+@item @ref{Debugging} explains how to handle suspected bugs.
+@item @ref{History} traces @pmg{}'s persistence technology.
 @end itemize
 
 @c UPDATE:  revise above when content finalized
@@ -168,10 +168,11 @@ allocator used in @pmg{}: @*
 @noindent
 Two publications describe the persistent memory allocator and early
 experiences with a @pmg{} prototype based on a fork of the official
-@gwk{} sources: @*
-@url{https://queue.acm.org/detail.cfm?id=3534855} @*
-@url{http://nvmw.ucsd.edu/nvmw2022-program/nvmw2022-data/nvmw2022-paper35-final_version_your_extended_abstract.pdf}
-
+@gwk{} sources:
+@itemize
+@item @url{https://queue.acm.org/detail.cfm?id=3534855}
+@item 
@url{http://nvmw.ucsd.edu/nvmw2022-program/nvmw2022-data/nvmw2022-paper35-final_version_your_extended_abstract.pdf}
+@end itemize
 
 @sp 1
 
@@ -241,7 +242,7 @@ The first @gwk{} invocation sees the special envar 
prepended on the
 command line, so it activates @pmg{}.  The second @gwk{} invocation,
 however, does @emph{not} see the envar and therefore does not access
 the script variable stored in the heap file.  The third @gwk{}
-invocation sees the special envar and therefore uses the script
+invocation does see the special envar and therefore uses the script
 variable from the heap file.
 
 While sometimes less error prone than ambient envars, per-command
@@ -293,8 +294,8 @@ happily ever after''):
 @noindent
 The @command{truncate} command above creates a heap file large enough
 to store all of the data it must eventually contain, with plenty of
-room to spare (as we'll see in @ref{Sparse Heap Files}, this isn't
-wasteful).  The @command{export} command ensures that subsequent
+room to spare.  (As we'll see in @ref{Sparse Heap Files}, this isn't
+wasteful.)  The @command{export} command ensures that subsequent
 @gwk{} invocations activate @pmg{}.  The first @pmg{} command stores
 @cite{Tom Sawyer}'s word frequencies in associative array @code{ts[]}.
 Because this array is persistent, subsequent @pmg{} commands can
@@ -381,7 +382,7 @@ and @code{max} are initialized exactly once, when the heap 
file is
 first used, and @emph{not} every time the script runs.  Furthermore,
 whereas script-defined variables such as @code{min} retain their
 values across @pmg{} executions, built-in AWK variables such as
-@code{NR} are re-set to zero every time @pmg{} runs, so we can't use
+@code{NR} are reset to zero every time @pmg{} runs, so we can't use
 them in the same way.  Here's a modified script for @pmg{}:
 @verbatim
         $ cat summary_persistent.awk
@@ -427,6 +428,19 @@ bundle both script-defined data and also user-defined 
@emph{functions}
 in a persistent heap that may be passed freely between unrelated AWK
 scripts.
 
+@c ADR doesn't like return in count() below
+@c TK:  it was put there for a reason:
+@c $ truncate -s 10M funcs.pma
+@c $ export GAWK_PERSIST_FILE=funcs.pma
+@c $ gawk 'function count(A,t) {for(i in A)t++; return t}'
+@c $ gawk 'BEGIN { a["x"] = 4; a["y"] = 5; a["z"] = 6 }'
+@c $ gawk 'BEGIN { print count(a) }'
+@c 3
+@c $ gawk 'BEGIN { delete a }'
+@c $ gawk 'BEGIN { print count(a) }'
+@c [!!blank line, not zero!!]
+@c $
+
 The following shell transcript repeatedly invokes @pmg{} to create and
 then employ a user-defined function.  These separate invocations
 involve several different AWK scripts that communicate via the heap
@@ -506,7 +520,7 @@ This chapter explains several performance advantages that 
result from
 the implementation of persistent memory in @pmg{}, shows how tuning
 the underlying operating system sometimes improves performance, and
 presents experimental performance measurements.  To make the
-discussion concrete, we use examples from a ``GNU/Linux'' system---GNU
+discussion concrete, we use examples from a GNU/Linux system---GNU
 utilities atop the Linux OS---but the principles apply to other modern
 operating systems.
 
@@ -621,6 +635,28 @@ tables beneath AWK's signature associative arrays 
inherently require
 random memory accesses, so large associative arrays can be
 problematic.
 
+@c ADR comments regarding below, "SSDs alleviate much of the
+@c performance problem of hard disks vs. RAM disks."
+@c
+@c TK replies:  When a significant amount of paging to *any*
+@c conventional block storage device starts, speed plummets by orders
+@c of magnitude.  I'd wager that the difference between paging vs. not
+@c is larger than the difference between paging to SSD vs. HDD.  So
+@c while SSDs are faster than HDDs, when paging begins they won't
+@c usually make the difference between acceptable vs. unacceptable
+@c performance.
+@c
+@c If you decide to try to find out for yourself, note that on many
+@c Linux systems the notorious OOM killer terminates a process well
+@c before its anonymous-memory footprint reaches the capacity of DRAM,
+@c so it's difficult even to provoke the phenomenon of interest.  And
+@c paging anonymous memory to swap can be managed differently than
+@c paging involving a file-backed memory mapping.
+@c
+@c Bottom line:  For the large majority of purposes, gawk users
+@c would be wise to avoid paging entirely, regardless of whether
+@c the pm-gawk feature is used.
+
 Persistence changes the rules in our favor: The OS pages data to
 @pmg{}'s @emph{heap file} instead of the swap area.  This won't help
 performance much if the heap file resides in a conventional
@@ -751,7 +787,7 @@ surprising ways.  Certain well-known textbook algorithms 
continue to
 grind away fruitlessly long after having computed all of their
 output. @*
 @c
-@url{https://queue.acm.org/detail.cfm?id=3424304}}
+See @url{https://queue.acm.org/detail.cfm?id=3424304}.}
 @c
 To apply this maxim to @pmg{} we must distinguish two concepts that
 are frequently conflated: persistence and durability.@footnote{In
@@ -760,8 +796,8 @@ denote novel byte-addressable non-volatile memory 
hardware---an
 unfortunate practice that contradicts sensible long-standing
 convention and causes needless confusion.  NVM provides durability.
 Persistent memory is a software abstraction that doesn't require NVM.
-@url{https://queue.acm.org/detail.cfm?id=3358957}} (A third logically
-distinct concept is the subject of @ref{Data Integrity}.)
+See @url{https://queue.acm.org/detail.cfm?id=3358957}.} (A third
+logically distinct concept is the subject of @ref{Data Integrity}.)
 
 @dfn{Persistent} data outlive the processes that access them, but
 don't necessarily last forever.  For example, as explained in
@@ -825,20 +861,21 @@ from cache.  Read about @command{sync} and
 @node    Experiments
 @section Experiments
 
-The C-shell (@command{csh}) script listed below illustrates concepts and
-implements tips presented in this chapter.  It produced the results
-discussed in @ref{Results} in roughly 20 minutes on an aging laptop.
-You should be able to cut and paste the code listing below into a file
-and get it running without excessive fuss; write to me if you have
-difficulty.
+The C-shell (@command{csh}) script listed below illustrates concepts
+and implements tips presented in this chapter.  It produced the
+results discussed in @ref{Results} in roughly 20 minutes on an aging
+laptop.  You can cut and paste the code listing below into a file, or
+download it from @url{http://web.eecs.umich.edu/~tpkelly/pma/}.
+
+@c TODO: post script to Web site when finalized  
 
 The script measures the performance of four different ways to support
-word frequency queries over a text corpus: The naive approach of
-reading the corpus into an associative array for every query; manually
-dumping a text representation of the word-frequency table and manually
-loading it prior to a query; using @gwk{}'s @code{rwarray} extension
-to dump and load an associative array; and using @pmg{} to maintain a
-persistent associative array.
+word frequency queries over a text corpus: The na@"{@dotless{i}}ve
+approach of reading the corpus into an associative array for every
+query; manually dumping a text representation of the word-frequency
+table and manually loading it prior to a query; using @gwk{}'s
+@code{rwarray} extension to dump and load an associative array; and
+using @pmg{} to maintain a persistent associative array.
 
 Comments at the top explain prerequisites.  Lines 8--10 set input
 parameters: the directory where tests are run and where files
@@ -864,11 +901,16 @@ Lines 71--100 run the four different AWK approaches on 
the same random
 input, reporting separately the time to build and to query the
 associative array containing word frequencies.
 
+@c ADR suggests making shell script available on web site
+@c TK will do eventually
+
 @sp 1
 
+@c first line of C-shell script can't contain line-number comment
+
 @smallformat
 @verbatim
-#!/bin/csh -f                                                                  
     #   1
+#!/bin/csh -f
 # Set PMG envar to path of pm-gawk executable and AWKLIBPATH                   
     #   2
 #    to find rwarray.so                                                        
     #   3
 # Requires "sudo" to work; consider this for /etc/sudoers file:                
     #   4
@@ -1103,7 +1145,7 @@ copies as sparse as the original.  If reflink copying is 
not
 available, @command{--sparse=always} should be used.}  Fortunately you
 can install, say, an XFS file system @emph{inside an ordinary file} on
 some other file system, such as @code{ext4}.@footnote{See
-@url{https://www.usenix.org/system/files/login/articles/login_winter19_08_kelly.pdf}}
+@url{https://www.usenix.org/system/files/login/articles/login_winter19_08_kelly.pdf}.}
 
 @c The @command{filefrag} utility reveals how the storage allocated to
 @c the two files changes if they diverge.
@@ -1157,8 +1199,7 @@ provided useful feedback.  Bentley suggested the 
min/max/mean example
 in @ref{Examples}, and also the exercise of making Kernighan & Pike's
 ``Markov'' script persistent.  Volos provided and tested the advice on
 tuning OS parameters in @ref{Virtual Memory and Big Data}.  Stan Park
-answered several questions about virtual memory, file systems, and
-utilities.
+provided insights about virtual memory, file systems, and utilities.
 
 @c ==================================================================
 @c ==================================================================
@@ -1170,17 +1211,28 @@ utilities.
 @c UPDATE below or remove this section if it's obsolete
 
 @gwk{} 5.2 featuring persistent memory is expected to be released in
-August 2022; look for it at @url{http://ftp.gnu.org/gnu/gawk/}.  If
+September 2022; look for it at @url{http://ftp.gnu.org/gnu/gawk/}.  If
 5.2 is not released yet, the master git branch is available at
 @c
 @url{http://git.savannah.gnu.org/cgit/gawk.git/snapshot/gawk-master.tar.gz}.
 @c
-Unpack the tarball, run @command{./configure}, @command{make}, and
-@command{make check}, then try some of the examples presented earlier.
-In the normal course of events, 5.2 and later @gwk{} releases
-featuring @pmg{} will appear in the software package management
-systems of major GNU/Linux distros.  Eventually @pmg{} will be
-available in the default @gwk{} on such systems.
+Unpack the tarball, run @command{./bootstrap.sh},
+@command{./configure}, @command{make}, and @command{make check}, then
+try some of the examples presented earlier.  In the normal course of
+events, 5.2 and later @gwk{} releases featuring @pmg{} will appear in
+the software package management systems of major GNU/Linux distros.
+Eventually @pmg{} will be available in the default @gwk{} on such
+systems.
+
+@c ADR comments on above, "run ./bootstrap.sh, ./configure ..."
+@c TK replies: I haven't been doing this.  Neither the README nor the
+@c    INSTALL in the gawk tarball mention bootstrap.sh.  If it's
+@c    important, shouldn't they?  The top of bootstrap.sh says its
+@c    purpose is "to avoid out-of-date issues in Git sandboxes."
+@c    When a neurodivergent source code control system requires us to
+@c    write shell scripts to work around the problems that it creates
+@c    gratuitously, the universe is trying to tell us something about
+@c    it.
 
 @c official gawk:
 @c http://ftp.gnu.org/gnu/gawk/                                               
[where to look for 5.2 after release]
@@ -1203,7 +1255,7 @@ using the heap file that you intend; using the wrong heap 
file is a
 common mistake.  Other fertile sources of bugs for newcomers are the
 fact that a @code{BEGIN} block is executed every time @pmg{} runs,
 which isn't always what you really want, and the fact that built-in
-AWK variables such as @code{NR} are always re-set to zero every time
+AWK variables such as @code{NR} are always reset to zero every time
 the interpreter runs.  See the discussion of initialization
 surrounding the min/max/mean script in @ref{Examples}.
 
@@ -1339,14 +1391,6 @@ creativity in early adopters, who have devised uses that 
@pmg{}'s
 designers never anticipated.  I'm curious to see what new purposes
 you find for it.
 
-@c TODO:  future enhancements:
-@c        pma version string consisting entirely of emojis
-@c           benefits:  compact, recognizable, lively
-@c           problem:  representing dates/numbers
-@c              solution(?): emojis can probably encode Mayan dates (need to 
investigate)
-@c           problem:  do Bayonne, Camden, ..., Newark, etc. have their own 
emojis?
-@c              solution(?): there are many different kinds of p**p emojis
-
 @c ==================================================================
 @c ==================================================================
 @c ==================================================================
@@ -1357,145 +1401,3 @@ you find for it.
 @c ==================================================================
 @c ==================================================================
 
-@c Arnold Robbins recommendations, distilled from 547 line diff
-@c
-@c    @emph -> @dfn for definitions of terms  [done]
-@c                Use the @dfn command to identify the introductory or
-@c                defining use of a technical term. Use the command
-@c                only in passages whose purpose is to introduce a
-@c                term which will be used again or which the reader
-@c                ought to know. Mere passing mention of a term for
-@c                the first time does not deserve @dfn.
-@c          -> @cite for book titles  [done]
-@c                Use the @cite command for the name of a book that
-@c                lacks a companion Info file. The command produces
-@c                italics in the printed manual, and quotation marks
-@c                in the Info file.  If a book is written in Texinfo,
-@c                it is better to use a cross-reference command since
-@c                a reader can easily follow such a reference in
-@c                Info. See Section 5.4 [@xref], page 44.
-@c
-@c    @code -> @command  [merely to encourage carpal tunnel syndrome?]
-@c                Use the @command command to indicate command names,
-@c                such as ls or cc
-@c          -> @samp for, um, things like "$" prompt of bash and "unset envar"
-@c                Use the @samp command to indicate text that is a
-@c                literal example or ‘sample’ of a sequence of
-@c                characters in a file, string, pattern, etc.  ....
-@c                Basically, @samp is a catchall for whatever is not
-@c                covered by @code, @kbd, @key, @command, etc.
-@c          -> @file for /proc/meminfo  and  pma.c
-@c                Use the @file command to indicate text that is the
-@c                name of a file, buffer, or directory, or is the name
-@c                of a node in Info. You can also use the command for
-@c                file name suffixes. Do not use @file for symbols in
-@c                a programming language; use @code.
-@c          -> @env for envars
-@c                Use the @env command to indicate environment
-@c                variables, as used by many operating systems,
-@c                including GNU. Do not use it for metasyntactic
-@c                variables; use @var for those (see the previous
-@c                section).
-@c
-@c    stuff that is done or otherwise addressed:
-@c
-@c    [done, with tweaks]
-@c    > @tex
-@c    > \gdef\linkcolor{0.5 0.09 0.12} % Dark Red
-@c    > \gdef\urlcolor{0.5 0.09 0.12} % Also
-@c    > \global\urefurlonlylinktrue
-@c    > @end tex
-@c
-@c    < easier, improves performance, and enables @code{gawk} to handle larger
-@c    ---
-@c    > improves performance for certain kinds of I/O-bound workloads,  [no, 
I/O is orthogonal to asymptotic efficiency]
-@c    > and enables @command{gawk} to handle larger
-@c
-@c    @verbatim -> @kbd and @print  [bad idea, extremely error prone]
-@c
-@c    "Linux" -> "GNU/Linux"  [in some places but not all; done with nuance]
-@c
-@c    re-set -> reset  [no, i like the former]
-@c
-@c    > @c ADR: Define median and mode. Not everyone remembers what they are.  
[done]
-@c
-@c    remove "like the gawk of yesteryear"  [done]
-@c
-@c    550c561  [it's not clear what the runtime overhead would be; it might 
well be negligible]
-@c    < ordinary file} on some other file system; for details see my article
-@c    ---
-@c    > ordinary file} on some other file system (with some runtime overhead); 
for details see my article
-@c
-@c    This expedient makes reflink copying available on popular file systems
-@c    such as the @code{ext} family.
-@c    @c ADR: You should also mention @samp{cp --sparse} here.   [added TODO 
comment]
-@c
-@c    572,574c584,588   [done]
-@c    < Arnold Robbins got @value{ACRO} started by encouraging and supporting
-@c    < Haris Volos, Zi Fan Tan, and Jianan Li as they developed a prototype
-@c    < based on a fork of the @code{gawk} source.  Robbins moreover
-@c    ---
-@c    > Haris Volos, Zi Fan Tan, and Jianan Li developed a prototype
-@c    > based on a fork of the @command{gawk} source. Advice from Arnold 
Robbins
-@c    > (the @command{gawk} maintainer)
-@c    > to me, which I forwarded to them, proved very helpful.
-@c    > Robbins moreover
-@c
-@c    579c593  [done]
-@c    < improvements to @code{pma}.  Nelson Beebe provided access to Solaris
-@c    ---
-@c    > improvements to @code{pma}.  Nelson H.@: F.@: Beebe provided access to 
Solaris
-@c
-@c    582c596  [done]
-@c    < Jon Bentley suggested the min/max/mean example in this manual and also
-@c    ---
-@c    > Jon Bentley suggested the min/max/mean example in @ref{Examples}, and 
also
-@c
-@c    585,586c599,600  [done]
-@c    < provided and tested the advice on tuning OS paging parameters in this
-@c    < manual.
-@c    ---
-@c    > provided and tested the advice on tuning OS paging parameters in
-@c    > @ref{System Configuration}.
-@c
-@c    650,651c664,665    [done]
-@c    < runs, which isn't always what the programmer really wants, and the
-@c    < fact that built-in AWK variables such as @code{NR} are always re-set  
[I like ``re-set'']
-@c    ---
-@c    > runs, which isn't always what you really want, and the
-@c    > fact that built-in AWK variables such as @code{NR} are always reset
-@c
-@c    678c692,694 [done]
-@c    < The new @value{ACRO} persistence feature is based on a new persistent
-@c    ---
-@c    > @c ADR: Remove "new"; it won't be new for very long, and this
-@c    > @c document will be around for a long time.
-@c    > The @value{ACRO} persistence feature is based on a persistent
-@c
-@c    @code{gdbm} -> GDBM  [done, my way]
-@c
-@c    744,747c760,763  [done]
-@c    < persistence for @code{gawk} in late 2021.  While I was writing
-@c    < @code{pma} in early 2022 the others, with advice and encouragement
-@c    < from @code{gawk} maintainer Arnold Robbins, prototyped @value{ACRO} in
-@c    < a fork of the @code{gawk} source.  Experience with the prototype
-@c    ---
-@c    > persistence for @command{gawk} in late 2021.  While I was writing
-@c    > @code{pma} in early 2022 the others,
-@c    > prototyped @value{ACRO} in
-@c    > a fork of the @command{gawk} source.  Experience with the prototype
-@c    749,751c765,767
-@c    < @value{ACRO}, and by spring 2022 Robbins was implementing persistence
-@c    < in the official version of @code{gawk}.  The persistence feature in
-@c    < official @code{gawk} differs slightly from the prototype: The former
-@c    ---
-@c    > @value{ACRO}, and by spring 2022 Arnold Robbins was implementing 
persistence
-@c    > in the official version of @command{gawk}.  The persistence feature in
-@c    > official @command{gawk} differs slightly from the prototype: The former
-@c
-@c    753c769  [done]
-@c    < interpreter whereas the latter uses a command-line option.  In many
-@c    ---
-@c    > interpreter whereas the latter uses a mandatory command-line option.  
In many
-@c
-

http://git.sv.gnu.org/cgit/gawk.git/commit/?id=e873b8a58e91267ece646a621bd73c59fa0a3814

commit e873b8a58e91267ece646a621bd73c59fa0a3814
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Wed Aug 17 16:53:19 2022 +0300

    Small doc fixups.

diff --git a/doc/ChangeLog b/doc/ChangeLog
index 6f26d864..985cb3a5 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,9 +1,12 @@
-2202-08-16         John E. Malmberg      <wb8tyw@qsl.net>
+2022-08-17         Arnold D. Robbins     <arnold@skeeve.com>
+
+       * gawktexi.in: Fix up the formatting in the VMS bits.
+       * wordlist: Updated.
 
-       * gawktexi.in (OpenVMS):
+2202-08-16         John E. Malmberg      <wb8tyw@qsl.net>
 
-       * Start of support for VMS Software, Inc. releases
-       * End of support for VAX/VMS and older OpenVMS versions.
+       * gawktexi.in (OpenVMS):  Start of support for VMS Software, Inc.
+       releases. End of support for VAX/VMS and older OpenVMS versions.
 
 2022-08-15         Arnold D. Robbins     <arnold@skeeve.com>
 
diff --git a/doc/gawk.info b/doc/gawk.info
index 6c1f3404..96a8d6b7 100644
--- a/doc/gawk.info
+++ b/doc/gawk.info
@@ -30111,6 +30111,8 @@ current version of 'gawk'.
 
         - DJGPP
 
+        - VAX/VMS
+
 
 File: gawk.info,  Node: Feature History,  Next: Common Extensions,  Prev: 
POSIX/GNU,  Up: Language History
 
@@ -31781,6 +31783,9 @@ issues all the necessary 'CC' and 'LINK' commands.  
There is also a
 'Makefile' for use with the 'MMS' and 'MMK' utilities.  From the source
 directory, use either:
 
+   The vmsbuild.com method of building is no longer being maintained and
+is planned to be removed in the future.
+
      $ @[.vms]vmsbuild.com
 
 or:
@@ -31798,10 +31803,15 @@ available from 
<https://github.com/endlesssoftware/mmk>.
    With ODS-5 volumes and extended parsing enabled, the case of the
 target parameter may need to be exact.
 
-   'gawk' has been tested under VAX/VMS 7.3 and Alpha/VMS 7.3-1 using
-Compaq C V6.4, and under Alpha/VMS 7.3, Alpha/VMS 7.3-2, and IA64/VMS
-8.3.  The most recent builds used HP C V7.3 on Alpha VMS 8.3 and both
-Alpha and IA64 VMS 8.4 used HP C 7.3.(1)
+   'gawk' has been tested using these VMS Software, Inc. Community
+editions.
+
+   * HP C V7.3-010 on OpenVMS Alpha V8.4-2L1.
+
+   * HP C V7.3-020 on OpenVMS IA64 V8.4-2L3.(1)
+
+   Due to HPE cancelling the Hobbyist licensing program, no more testing
+is being done on older releases of VAX/VMS and OpenVMS.
 
    *Note VMS GNV:: for information on building 'gawk' as a PCSI kit that
 is compatible with the GNV product.
@@ -31839,7 +31849,7 @@ be exact case with CRC shortening for symbols longer 
than 32 bits.
      /name=(as_is,short)
      /float=ieee/ieee_mode=denorm_results
 
-   For VAX:
+   For VAX(1):
 
      /name=(as_is,short)
 
@@ -31864,6 +31874,11 @@ these definitions yourself.  The 'config.h' file 
created when building
 similar one, then you must remember to include it before any
 VMS-supplied header files.
 
+   ---------- Footnotes ----------
+
+   (1) Dynamic extensions do not currently work on VAX, this is here for
+reference only.
+
 
 File: gawk.info,  Node: VMS Installation Details,  Next: VMS Running,  Prev: 
VMS Dynamic Extensions,  Up: VMS Installation
 
@@ -39743,80 +39758,81 @@ Node: SVR41208009
 Node: POSIX1209443
 Node: BTL1210824
 Node: POSIX/GNU1211553
-Node: Feature History1217459
-Node: Common Extensions1235198
-Node: Ranges and Locales1236481
-Ref: Ranges and Locales-Footnote-11241097
-Ref: Ranges and Locales-Footnote-21241124
-Ref: Ranges and Locales-Footnote-31241359
-Node: Contributors1241582
-Node: History summary1247579
-Node: Installation1248959
-Node: Gawk Distribution1249903
-Node: Getting1250387
-Node: Extracting1251350
-Node: Distribution contents1252988
-Node: Unix Installation1260494
-Node: Quick Installation1261298
-Node: Compiling with MPFR1263718
-Node: Shell Startup Files1264408
-Node: Additional Configuration Options1265497
-Node: Configuration Philosophy1267812
-Node: Compiling from Git1270208
-Node: Building the Documentation1270763
-Node: Non-Unix Installation1272147
-Node: PC Installation1272607
-Node: PC Binary Installation1273448
-Node: PC Compiling1274321
-Node: PC Using1275427
-Node: Cygwin1278923
-Node: MSYS1280147
-Node: VMS Installation1280749
-Node: VMS Compilation1281468
-Ref: VMS Compilation-Footnote-11282697
-Node: VMS Dynamic Extensions1282755
-Node: VMS Installation Details1284440
-Node: VMS Running1286702
-Node: VMS GNV1290981
-Node: Bugs1291695
-Node: Bug definition1292607
-Node: Bug address1295543
-Node: Usenet1298731
-Node: Performance bugs1299920
-Node: Asking for help1302841
-Node: Maintainers1304808
-Node: Other Versions1305815
-Node: Installation summary1314085
-Node: Notes1315442
-Node: Compatibility Mode1316236
-Node: Additions1317018
-Node: Accessing The Source1317943
-Node: Adding Code1319380
-Node: New Ports1326195
-Node: Derived Files1330570
-Ref: Derived Files-Footnote-11336230
-Ref: Derived Files-Footnote-21336265
-Ref: Derived Files-Footnote-31336863
-Node: Future Extensions1336977
-Node: Implementation Limitations1337635
-Node: Extension Design1338845
-Node: Old Extension Problems1339989
-Ref: Old Extension Problems-Footnote-11341507
-Node: Extension New Mechanism Goals1341564
-Ref: Extension New Mechanism Goals-Footnote-11344928
-Node: Extension Other Design Decisions1345117
-Node: Extension Future Growth1347230
-Node: Notes summary1347836
-Node: Basic Concepts1348994
-Node: Basic High Level1349675
-Ref: figure-general-flow1349957
-Ref: figure-process-flow1350643
-Ref: Basic High Level-Footnote-11353945
-Node: Basic Data Typing1354130
-Node: Glossary1357458
-Node: Copying1389345
-Node: GNU Free Documentation License1426888
-Node: Index1452008
+Node: Feature History1217478
+Node: Common Extensions1235217
+Node: Ranges and Locales1236500
+Ref: Ranges and Locales-Footnote-11241116
+Ref: Ranges and Locales-Footnote-21241143
+Ref: Ranges and Locales-Footnote-31241378
+Node: Contributors1241601
+Node: History summary1247598
+Node: Installation1248978
+Node: Gawk Distribution1249922
+Node: Getting1250406
+Node: Extracting1251369
+Node: Distribution contents1253007
+Node: Unix Installation1260513
+Node: Quick Installation1261317
+Node: Compiling with MPFR1263737
+Node: Shell Startup Files1264427
+Node: Additional Configuration Options1265516
+Node: Configuration Philosophy1267831
+Node: Compiling from Git1270227
+Node: Building the Documentation1270782
+Node: Non-Unix Installation1272166
+Node: PC Installation1272626
+Node: PC Binary Installation1273467
+Node: PC Compiling1274340
+Node: PC Using1275446
+Node: Cygwin1278942
+Node: MSYS1280166
+Node: VMS Installation1280768
+Node: VMS Compilation1281487
+Ref: VMS Compilation-Footnote-11282882
+Node: VMS Dynamic Extensions1282940
+Ref: VMS Dynamic Extensions-Footnote-11284664
+Node: VMS Installation Details1284754
+Node: VMS Running1287016
+Node: VMS GNV1291295
+Node: Bugs1292009
+Node: Bug definition1292921
+Node: Bug address1295857
+Node: Usenet1299045
+Node: Performance bugs1300234
+Node: Asking for help1303155
+Node: Maintainers1305122
+Node: Other Versions1306129
+Node: Installation summary1314399
+Node: Notes1315756
+Node: Compatibility Mode1316550
+Node: Additions1317332
+Node: Accessing The Source1318257
+Node: Adding Code1319694
+Node: New Ports1326509
+Node: Derived Files1330884
+Ref: Derived Files-Footnote-11336544
+Ref: Derived Files-Footnote-21336579
+Ref: Derived Files-Footnote-31337177
+Node: Future Extensions1337291
+Node: Implementation Limitations1337949
+Node: Extension Design1339159
+Node: Old Extension Problems1340303
+Ref: Old Extension Problems-Footnote-11341821
+Node: Extension New Mechanism Goals1341878
+Ref: Extension New Mechanism Goals-Footnote-11345242
+Node: Extension Other Design Decisions1345431
+Node: Extension Future Growth1347544
+Node: Notes summary1348150
+Node: Basic Concepts1349308
+Node: Basic High Level1349989
+Ref: figure-general-flow1350271
+Ref: figure-process-flow1350957
+Ref: Basic High Level-Footnote-11354259
+Node: Basic Data Typing1354444
+Node: Glossary1357772
+Node: Copying1389659
+Node: GNU Free Documentation License1427202
+Node: Index1452322
 
 End Tag Table
 
diff --git a/doc/gawk.texi b/doc/gawk.texi
index f4dee7d0..9f63351f 100644
--- a/doc/gawk.texi
+++ b/doc/gawk.texi
@@ -41222,6 +41222,9 @@ OS/2
 @item
 DJGPP
 
+@item
+VAX/VMS
+
 @end itemize
 
 @c XXX ADD MORE STUFF HERE
@@ -43490,6 +43493,9 @@ that issues all the necessary @code{CC} and @code{LINK} 
commands. There is
 also a @file{Makefile} for use with the @code{MMS} and @code{MMK} utilities.
 From the source directory, use either:
 
+The vmsbuild.com method of building is no longer being maintained and is
+planned to be removed in the future.
+
 @example
 $ @kbd{@@[.vms]vmsbuild.com}
 @end example
@@ -43515,11 +43521,20 @@ can better handle ODS-5 volumes with upper- and 
lowercase @value{FN}s.
 With ODS-5 volumes and extended parsing enabled, the case of the target
 parameter may need to be exact.
 
-@command{gawk} has been tested under VAX/VMS 7.3 and Alpha/VMS 7.3-1
-using Compaq C V6.4, and under Alpha/VMS 7.3, Alpha/VMS 7.3-2, and IA64/VMS 
8.3.
-The most recent builds used HP C V7.3 on Alpha VMS 8.3 and both
-Alpha and IA64 VMS 8.4 used HP C 7.3.@footnote{The IA64 architecture
+@command{gawk} has been tested using these VMS Software, Inc.@:
+Community editions.
+
+@itemize @bullet
+@item
+HP C V7.3-010 on OpenVMS Alpha V8.4-2L1.
+
+@item
+HP C V7.3-020 on OpenVMS IA64 V8.4-2L3.@footnote{The IA64 architecture
 is also known as ``Itanium.''}
+@end itemize
+
+Due to HPE cancelling the Hobbyist licensing program, no more testing is
+being done on older releases of VAX/VMS and OpenVMS.
 
 @xref{VMS GNV} for information on building
 @command{gawk} as a PCSI kit that is compatible with the GNV product.
@@ -43558,7 +43573,8 @@ For Alpha and Itanium:
 /float=ieee/ieee_mode=denorm_results
 @end example
 
-For VAX:
+For VAX@footnote{Dynamic extensions do not currently work on VAX,
+this is here for reference only.}:
 
 @example
 /name=(as_is,short)
@@ -43726,7 +43742,6 @@ When defining it, the value should be quoted so that it 
retains a single
 translation and not a multitranslation @code{RMS} searchlist.
 
 @cindex redirection @subentry on VMS
-
 This restriction also applies to running @command{gawk} under GNV,
 as redirection is always to a DCL command.
 
diff --git a/doc/gawktexi.in b/doc/gawktexi.in
index cac5f9bd..a464cfe3 100644
--- a/doc/gawktexi.in
+++ b/doc/gawktexi.in
@@ -42336,7 +42336,7 @@ that issues all the necessary @code{CC} and @code{LINK} 
commands. There is
 also a @file{Makefile} for use with the @code{MMS} and @code{MMK} utilities.
 From the source directory, use either:
 
-The vmsbuild.com method of building is no longer being maaintained and is
+The vmsbuild.com method of building is no longer being maintained and is
 planned to be removed in the future.
 
 @example
@@ -42364,20 +42364,21 @@ can better handle ODS-5 volumes with upper- and 
lowercase @value{FN}s.
 With ODS-5 volumes and extended parsing enabled, the case of the target
 parameter may need to be exact.
 
-@command{gawk} has been tested usign VMS Software, Inc. Community editions.
+@command{gawk} has been tested using these VMS Software, Inc.@:
+Community editions.
 
+@itemize @bullet
 @item
-HP C V7.3-010 on OpenVMS Alpha V8.4-2L1
+HP C V7.3-010 on OpenVMS Alpha V8.4-2L1.
 
 @item
-HP C V7.3-020 on OpenVMS IA64 V8.4-2L3
+HP C V7.3-020 on OpenVMS IA64 V8.4-2L3.@footnote{The IA64 architecture
+is also known as ``Itanium.''}
+@end itemize
 
-Due to HPE cancelling the Hobbyist licenaing program, no more testing is
+Due to HPE cancelling the Hobbyist licensing program, no more testing is
 being done on older releases of VAX/VMS and OpenVMS.
 
-@footnote{The IA64 architecture
-is also known as ``Itanium.''}
-
 @xref{VMS GNV} for information on building
 @command{gawk} as a PCSI kit that is compatible with the GNV product.
 
@@ -42415,10 +42416,8 @@ For Alpha and Itanium:
 /float=ieee/ieee_mode=denorm_results
 @end example
 
-For VAX:
-
-Dynamic exentions do not currently work on VAX, this is here for
-reference only.
+For VAX@footnote{Dynamic extensions do not currently work on VAX,
+this is here for reference only.}:
 
 @example
 /name=(as_is,short)
@@ -42586,7 +42585,6 @@ When defining it, the value should be quoted so that it 
retains a single
 translation and not a multitranslation @code{RMS} searchlist.
 
 @cindex redirection @subentry on VMS
-
 This restriction also applies to running @command{gawk} under GNV,
 as redirection is always to a DCL command.
 
diff --git a/doc/wordlist b/doc/wordlist
index 1f25fc30..398c4c2d 100644
--- a/doc/wordlist
+++ b/doc/wordlist
@@ -207,6 +207,7 @@ Gzip
 HELPLIB
 HH
 HHMM
+HPE
 HT
 HUP
 HURD
@@ -392,6 +393,7 @@ PCSI
 PDF
 PEBKAC
 PMA
+PMGAWKTITLE
 PNG
 POS
 PQgetvalue
@@ -641,6 +643,7 @@ austingroupbugs
 autoconf
 automake
 autotools
+aux
 avahi
 aval
 avg

-----------------------------------------------------------------------

Summary of changes:
 doc/ChangeLog    |  15 ++-
 doc/gawk.info    | 174 ++++++++++++++++--------------
 doc/gawk.texi    |  27 +++--
 doc/gawktexi.in  |  24 ++---
 doc/pm-gawk.info | 136 ++++++++++++------------
 doc/pm-gawk.texi | 314 +++++++++++++++++++------------------------------------
 doc/wordlist     |   3 +
 7 files changed, 317 insertions(+), 376 deletions(-)


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