More reviewer comments.

4 files changed, 268 insertions, 265 deletions

diff --git a/doc/ChangeLog b/doc/ChangeLog
index 661237db..af4ff89a 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -4,6 +4,10 @@
 	PROCINFO["identifiers"].
 	* gawk.1: Ditto.
 
+	Unrelated:
+
+	* gawktexi.in: More stuff from reviewer comments.
+
 2014-09-04         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* gawktexi.in: Document that indirect calls now work on built-in
diff --git a/doc/gawk.info b/doc/gawk.info
index 0d7505a5..1ae776a6 100644
--- a/doc/gawk.info
+++ b/doc/gawk.info
@@ -17646,6 +17646,10 @@ array only once, in a `BEGIN' rule. However, this assumes that the
 "from" and "to" lists will never change throughout the lifetime of the
 program.
 
+   Another obvious improvement is to enable the use of ranges, such as
+`a-z', as allowed by the `tr' utility.  Look at the code for `cut.awk'
+(*note Cut Program::) for inspiration.
+
    ---------- Footnotes ----------
 
    (1) On some older systems, including Solaris, the system version of
@@ -18740,18 +18744,13 @@ File: gawk.info,  Node: Programs Exercises,  Prev: Programs Summary,  Up: Sample
      Program::) to accept the same arguments and perform in the same
      way.
 
-  4. The `split.awk' program (*note Split Program::) uses the `chr()'
-     and `ord()' functions to move through the letters of the alphabet.
-     Modify the program to instead use only the `awk' built-in
-     functions, such as `index()' and `substr()'.
-
-  5. The `split.awk' program (*note Split Program::) assumes that
+  4. The `split.awk' program (*note Split Program::) assumes that
      letters are contiguous in the character set, which isn't true for
      EBCDIC systems.  Fix this problem.  (Hint: Consider a different
      way to work through the alphabet, without relying on `ord()' and
      `chr()'.)
 
-  6. In `uniq.awk' (*note Uniq Program::, the logic for choosing which
+  5. In `uniq.awk' (*note Uniq Program::, the logic for choosing which
      lines to print represents a "state machine", which is "a device
      that can be in one of a set number of stable conditions depending
      on its previous condition and on the present values of its
@@ -18761,21 +18760,21 @@ File: gawk.info,  Node: Programs Exercises,  Prev: Programs Summary,  Up: Sample
      where you would use this, just as fast."  Rewrite the logic to
      follow this suggestion.
 
-  7. Why can't the `wc.awk' program (*note Wc Program::) just use the
+  6. Why can't the `wc.awk' program (*note Wc Program::) just use the
      value of `FNR' in `endfile()'?  Hint: Examine the code in *note
      Filetrans Function::.
 
-  8. Manipulation of individual characters in the `translate' program
+  7. Manipulation of individual characters in the `translate' program
      (*note Translate Program::) is painful using standard `awk'
      functions.  Given that `gawk' can split strings into individual
      characters using `""' as the separator, how might you use this
      feature to simplify the program?
 
-  9. The `extract.awk' program (*note Extract Program::) was written
+  8. The `extract.awk' program (*note Extract Program::) was written
      before `gawk' had the `gensub()' function.  Use it to simplify the
      code.
 
- 10. Compare the performance of the `awksed.awk' program (*note Simple
+  9. Compare the performance of the `awksed.awk' program (*note Simple
      Sed::) with the more straightforward:
 
           BEGIN {
@@ -18786,16 +18785,16 @@ File: gawk.info,  Node: Programs Exercises,  Prev: Programs Summary,  Up: Sample
 
           { gsub(pat, repl); print }
 
- 11. What are the advantages and disadvantages of `awksed.awk' versus
+ 10. What are the advantages and disadvantages of `awksed.awk' versus
      the real `sed' utility?
 
- 12. In *note Igawk Program::, we mentioned that not trying to save the
+ 11. In *note Igawk Program::, we mentioned that not trying to save the
      line read with `getline' in the `pathto()' function when testing
      for the file's accessibility for use with the main program
      simplifies things considerably.  What problem does this engender
      though?
 
- 13. As an additional example of the idea that it is not always
+ 12. As an additional example of the idea that it is not always
      necessary to add new features to a program, consider the idea of
      having two files in a directory in the search path:
 
@@ -18818,7 +18817,7 @@ File: gawk.info,  Node: Programs Exercises,  Prev: Programs Summary,  Up: Sample
      `@include' statements for the desired library functions.  Make
      this change.
 
- 14. Modify `anagram.awk' (*note Anagram Program::), to avoid the use
+ 13. Modify `anagram.awk' (*note Anagram Program::), to avoid the use
      of the external `sort' utility.
 
 
@@ -32079,7 +32078,7 @@ Index
                                                               (line  66)
 * directories, command-line:             Command-line directories.
                                                               (line   6)
-* directories, searching:                Programs Exercises.  (line  75)
+* directories, searching:                Programs Exercises.  (line  70)
 * directories, searching for loadable extensions: AWKLIBPATH Variable.
                                                               (line   6)
 * directories, searching for source files: AWKPATH Variable.  (line   6)
@@ -32360,7 +32359,7 @@ Index
 * files, reading, multiline records:     Multiple Line.       (line   6)
 * files, searching for regular expressions: Egrep Program.    (line   6)
 * files, skipping:                       File Checking.       (line   6)
-* files, source, search path for:        Programs Exercises.  (line  75)
+* files, source, search path for:        Programs Exercises.  (line  70)
 * files, splitting:                      Split Program.       (line   6)
 * files, Texinfo, extracting programs from: Extract Program.  (line   6)
 * find substring in string:              String Functions.    (line 155)
@@ -33528,11 +33527,11 @@ Index
 * search in string:                      String Functions.    (line 155)
 * search paths <1>:                      VMS Running.         (line  58)
 * search paths <2>:                      PC Using.            (line  10)
-* search paths:                          Programs Exercises.  (line  75)
+* search paths:                          Programs Exercises.  (line  70)
 * search paths, for loadable extensions: AWKLIBPATH Variable. (line   6)
 * search paths, for source files <1>:    VMS Running.         (line  58)
 * search paths, for source files <2>:    PC Using.            (line  10)
-* search paths, for source files <3>:    Programs Exercises.  (line  75)
+* search paths, for source files <3>:    Programs Exercises.  (line  70)
 * search paths, for source files:        AWKPATH Variable.    (line   6)
 * searching, files for regular expressions: Egrep Program.    (line   6)
 * searching, for words:                  Dupword Program.     (line   6)
@@ -33679,7 +33678,7 @@ Index
 * source code, QSE Awk:                  Other Versions.      (line 131)
 * source code, QuikTrim Awk:             Other Versions.      (line 135)
 * source code, Solaris awk:              Other Versions.      (line  96)
-* source files, search path for:         Programs Exercises.  (line  75)
+* source files, search path for:         Programs Exercises.  (line  70)
 * sparse arrays:                         Array Intro.         (line  72)
 * Spencer, Henry:                        Glossary.            (line  11)
 * split:                                 String Functions.    (line 313)
@@ -34354,236 +34353,236 @@ Node: Miscellaneous Programs706803
 Node: Dupword Program708016
 Node: Alarm Program710047
 Node: Translate Program714851
-Ref: Translate Program-Footnote-1719242
-Ref: Translate Program-Footnote-2719512
-Node: Labels Program719651
-Ref: Labels Program-Footnote-1723012
-Node: Word Sorting723096
-Node: History Sorting727139
-Node: Extract Program728975
-Node: Simple Sed736511
-Node: Igawk Program739573
-Ref: Igawk Program-Footnote-1753877
-Ref: Igawk Program-Footnote-2754078
-Node: Anagram Program754216
-Node: Signature Program757284
-Node: Programs Summary758531
-Node: Programs Exercises759746
-Ref: Programs Exercises-Footnote-1764133
-Node: Advanced Features764224
-Node: Nondecimal Data766172
-Node: Array Sorting767749
-Node: Controlling Array Traversal768446
-Node: Array Sorting Functions776726
-Ref: Array Sorting Functions-Footnote-1780633
-Node: Two-way I/O780827
-Ref: Two-way I/O-Footnote-1785771
-Ref: Two-way I/O-Footnote-2785950
-Node: TCP/IP Networking786032
-Node: Profiling788877
-Node: Advanced Features Summary796419
-Node: Internationalization798283
-Node: I18N and L10N799763
-Node: Explaining gettext800449
-Ref: Explaining gettext-Footnote-1805475
-Ref: Explaining gettext-Footnote-2805659
-Node: Programmer i18n805824
-Ref: Programmer i18n-Footnote-1810618
-Node: Translator i18n810667
-Node: String Extraction811461
-Ref: String Extraction-Footnote-1812594
-Node: Printf Ordering812680
-Ref: Printf Ordering-Footnote-1815462
-Node: I18N Portability815526
-Ref: I18N Portability-Footnote-1817975
-Node: I18N Example818038
-Ref: I18N Example-Footnote-1820744
-Node: Gawk I18N820816
-Node: I18N Summary821454
-Node: Debugger822793
-Node: Debugging823815
-Node: Debugging Concepts824256
-Node: Debugging Terms826112
-Node: Awk Debugging828709
-Node: Sample Debugging Session829601
-Node: Debugger Invocation830121
-Node: Finding The Bug831457
-Node: List of Debugger Commands837936
-Node: Breakpoint Control839268
-Node: Debugger Execution Control842932
-Node: Viewing And Changing Data846292
-Node: Execution Stack849650
-Node: Debugger Info851163
-Node: Miscellaneous Debugger Commands855157
-Node: Readline Support860341
-Node: Limitations861233
-Node: Debugging Summary863506
-Node: Arbitrary Precision Arithmetic864674
-Node: Computer Arithmetic866161
-Ref: Computer Arithmetic-Footnote-1870548
-Node: Math Definitions870605
-Ref: table-ieee-formats873894
-Ref: Math Definitions-Footnote-1874434
-Node: MPFR features874537
-Node: FP Math Caution876154
-Ref: FP Math Caution-Footnote-1877204
-Node: Inexactness of computations877573
-Node: Inexact representation878521
-Node: Comparing FP Values879876
-Node: Errors accumulate880840
-Node: Getting Accuracy882273
-Node: Try To Round884932
-Node: Setting precision885831
-Ref: table-predefined-precision-strings886513
-Node: Setting the rounding mode888306
-Ref: table-gawk-rounding-modes888670
-Ref: Setting the rounding mode-Footnote-1892124
-Node: Arbitrary Precision Integers892303
-Ref: Arbitrary Precision Integers-Footnote-1895284
-Node: POSIX Floating Point Problems895433
-Ref: POSIX Floating Point Problems-Footnote-1899309
-Node: Floating point summary899347
-Node: Dynamic Extensions901551
-Node: Extension Intro903103
-Node: Plugin License904368
-Node: Extension Mechanism Outline905053
-Ref: figure-load-extension905477
-Ref: figure-load-new-function906962
-Ref: figure-call-new-function907964
-Node: Extension API Description909948
-Node: Extension API Functions Introduction911398
-Node: General Data Types916265
-Ref: General Data Types-Footnote-1921958
-Node: Requesting Values922257
-Ref: table-value-types-returned922994
-Node: Memory Allocation Functions923952
-Ref: Memory Allocation Functions-Footnote-1926699
-Node: Constructor Functions926795
-Node: Registration Functions928553
-Node: Extension Functions929238
-Node: Exit Callback Functions931540
-Node: Extension Version String932788
-Node: Input Parsers933438
-Node: Output Wrappers943252
-Node: Two-way processors947768
-Node: Printing Messages949972
-Ref: Printing Messages-Footnote-1951049
-Node: Updating `ERRNO'951201
-Node: Accessing Parameters951940
-Node: Symbol Table Access953170
-Node: Symbol table by name953684
-Node: Symbol table by cookie955660
-Ref: Symbol table by cookie-Footnote-1959793
-Node: Cached values959856
-Ref: Cached values-Footnote-1963360
-Node: Array Manipulation963451
-Ref: Array Manipulation-Footnote-1964549
-Node: Array Data Types964588
-Ref: Array Data Types-Footnote-1967291
-Node: Array Functions967383
-Node: Flattening Arrays971257
-Node: Creating Arrays978109
-Node: Extension API Variables982840
-Node: Extension Versioning983476
-Node: Extension API Informational Variables985377
-Node: Extension API Boilerplate986463
-Node: Finding Extensions990267
-Node: Extension Example990827
-Node: Internal File Description991557
-Node: Internal File Ops995648
-Ref: Internal File Ops-Footnote-11007080
-Node: Using Internal File Ops1007220
-Ref: Using Internal File Ops-Footnote-11009567
-Node: Extension Samples1009835
-Node: Extension Sample File Functions1011359
-Node: Extension Sample Fnmatch1018927
-Node: Extension Sample Fork1020409
-Node: Extension Sample Inplace1021622
-Node: Extension Sample Ord1023297
-Node: Extension Sample Readdir1024133
-Ref: table-readdir-file-types1024989
-Node: Extension Sample Revout1025788
-Node: Extension Sample Rev2way1026379
-Node: Extension Sample Read write array1027120
-Node: Extension Sample Readfile1028999
-Node: Extension Sample API Tests1030099
-Node: Extension Sample Time1030624
-Node: gawkextlib1031939
-Node: Extension summary1034752
-Node: Extension Exercises1038445
-Node: Language History1039167
-Node: V7/SVR3.11040810
-Node: SVR41043130
-Node: POSIX1044572
-Node: BTL1045958
-Node: POSIX/GNU1046692
-Node: Feature History1052408
-Node: Common Extensions1065499
-Node: Ranges and Locales1066811
-Ref: Ranges and Locales-Footnote-11071428
-Ref: Ranges and Locales-Footnote-21071455
-Ref: Ranges and Locales-Footnote-31071689
-Node: Contributors1071910
-Node: History summary1077335
-Node: Installation1078704
-Node: Gawk Distribution1079655
-Node: Getting1080139
-Node: Extracting1080963
-Node: Distribution contents1082605
-Node: Unix Installation1088322
-Node: Quick Installation1088939
-Node: Additional Configuration Options1091381
-Node: Configuration Philosophy1093119
-Node: Non-Unix Installation1095470
-Node: PC Installation1095928
-Node: PC Binary Installation1097239
-Node: PC Compiling1099087
-Ref: PC Compiling-Footnote-11102086
-Node: PC Testing1102191
-Node: PC Using1103367
-Node: Cygwin1107519
-Node: MSYS1108328
-Node: VMS Installation1108842
-Node: VMS Compilation1109638
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-Node: VMS Dynamic Extensions1110918
-Node: VMS Installation Details1112291
-Node: VMS Running1114543
-Node: VMS GNV1117377
-Node: VMS Old Gawk1118100
-Node: Bugs1118570
-Node: Other Versions1122574
-Node: Installation summary1128801
-Node: Notes1129857
-Node: Compatibility Mode1130722
-Node: Additions1131504
-Node: Accessing The Source1132429
-Node: Adding Code1133865
-Node: New Ports1140043
-Node: Derived Files1144524
-Ref: Derived Files-Footnote-11149605
-Ref: Derived Files-Footnote-21149639
-Ref: Derived Files-Footnote-31150235
-Node: Future Extensions1150349
-Node: Implementation Limitations1150955
-Node: Extension Design1152203
-Node: Old Extension Problems1153357
-Ref: Old Extension Problems-Footnote-11154874
-Node: Extension New Mechanism Goals1154931
-Ref: Extension New Mechanism Goals-Footnote-11158291
-Node: Extension Other Design Decisions1158480
-Node: Extension Future Growth1160586
-Node: Old Extension Mechanism1161422
-Node: Notes summary1163184
-Node: Basic Concepts1164370
-Node: Basic High Level1165051
-Ref: figure-general-flow1165323
-Ref: figure-process-flow1165922
-Ref: Basic High Level-Footnote-11169151
-Node: Basic Data Typing1169336
-Node: Glossary1172664
-Node: Copying1197816
-Node: GNU Free Documentation License1235372
-Node: Index1260508
+Ref: Translate Program-Footnote-1719424
+Ref: Translate Program-Footnote-2719694
+Node: Labels Program719833
+Ref: Labels Program-Footnote-1723194
+Node: Word Sorting723278
+Node: History Sorting727321
+Node: Extract Program729157
+Node: Simple Sed736693
+Node: Igawk Program739755
+Ref: Igawk Program-Footnote-1754059
+Ref: Igawk Program-Footnote-2754260
+Node: Anagram Program754398
+Node: Signature Program757466
+Node: Programs Summary758713
+Node: Programs Exercises759928
+Ref: Programs Exercises-Footnote-1764059
+Node: Advanced Features764150
+Node: Nondecimal Data766098
+Node: Array Sorting767675
+Node: Controlling Array Traversal768372
+Node: Array Sorting Functions776652
+Ref: Array Sorting Functions-Footnote-1780559
+Node: Two-way I/O780753
+Ref: Two-way I/O-Footnote-1785697
+Ref: Two-way I/O-Footnote-2785876
+Node: TCP/IP Networking785958
+Node: Profiling788803
+Node: Advanced Features Summary796345
+Node: Internationalization798209
+Node: I18N and L10N799689
+Node: Explaining gettext800375
+Ref: Explaining gettext-Footnote-1805401
+Ref: Explaining gettext-Footnote-2805585
+Node: Programmer i18n805750
+Ref: Programmer i18n-Footnote-1810544
+Node: Translator i18n810593
+Node: String Extraction811387
+Ref: String Extraction-Footnote-1812520
+Node: Printf Ordering812606
+Ref: Printf Ordering-Footnote-1815388
+Node: I18N Portability815452
+Ref: I18N Portability-Footnote-1817901
+Node: I18N Example817964
+Ref: I18N Example-Footnote-1820670
+Node: Gawk I18N820742
+Node: I18N Summary821380
+Node: Debugger822719
+Node: Debugging823741
+Node: Debugging Concepts824182
+Node: Debugging Terms826038
+Node: Awk Debugging828635
+Node: Sample Debugging Session829527
+Node: Debugger Invocation830047
+Node: Finding The Bug831383
+Node: List of Debugger Commands837862
+Node: Breakpoint Control839194
+Node: Debugger Execution Control842858
+Node: Viewing And Changing Data846218
+Node: Execution Stack849576
+Node: Debugger Info851089
+Node: Miscellaneous Debugger Commands855083
+Node: Readline Support860267
+Node: Limitations861159
+Node: Debugging Summary863432
+Node: Arbitrary Precision Arithmetic864600
+Node: Computer Arithmetic866087
+Ref: Computer Arithmetic-Footnote-1870474
+Node: Math Definitions870531
+Ref: table-ieee-formats873820
+Ref: Math Definitions-Footnote-1874360
+Node: MPFR features874463
+Node: FP Math Caution876080
+Ref: FP Math Caution-Footnote-1877130
+Node: Inexactness of computations877499
+Node: Inexact representation878447
+Node: Comparing FP Values879802
+Node: Errors accumulate880766
+Node: Getting Accuracy882199
+Node: Try To Round884858
+Node: Setting precision885757
+Ref: table-predefined-precision-strings886439
+Node: Setting the rounding mode888232
+Ref: table-gawk-rounding-modes888596
+Ref: Setting the rounding mode-Footnote-1892050
+Node: Arbitrary Precision Integers892229
+Ref: Arbitrary Precision Integers-Footnote-1895210
+Node: POSIX Floating Point Problems895359
+Ref: POSIX Floating Point Problems-Footnote-1899235
+Node: Floating point summary899273
+Node: Dynamic Extensions901477
+Node: Extension Intro903029
+Node: Plugin License904294
+Node: Extension Mechanism Outline904979
+Ref: figure-load-extension905403
+Ref: figure-load-new-function906888
+Ref: figure-call-new-function907890
+Node: Extension API Description909874
+Node: Extension API Functions Introduction911324
+Node: General Data Types916191
+Ref: General Data Types-Footnote-1921884
+Node: Requesting Values922183
+Ref: table-value-types-returned922920
+Node: Memory Allocation Functions923878
+Ref: Memory Allocation Functions-Footnote-1926625
+Node: Constructor Functions926721
+Node: Registration Functions928479
+Node: Extension Functions929164
+Node: Exit Callback Functions931466
+Node: Extension Version String932714
+Node: Input Parsers933364
+Node: Output Wrappers943178
+Node: Two-way processors947694
+Node: Printing Messages949898
+Ref: Printing Messages-Footnote-1950975
+Node: Updating `ERRNO'951127
+Node: Accessing Parameters951866
+Node: Symbol Table Access953096
+Node: Symbol table by name953610
+Node: Symbol table by cookie955586
+Ref: Symbol table by cookie-Footnote-1959719
+Node: Cached values959782
+Ref: Cached values-Footnote-1963286
+Node: Array Manipulation963377
+Ref: Array Manipulation-Footnote-1964475
+Node: Array Data Types964514
+Ref: Array Data Types-Footnote-1967217
+Node: Array Functions967309
+Node: Flattening Arrays971183
+Node: Creating Arrays978035
+Node: Extension API Variables982766
+Node: Extension Versioning983402
+Node: Extension API Informational Variables985303
+Node: Extension API Boilerplate986389
+Node: Finding Extensions990193
+Node: Extension Example990753
+Node: Internal File Description991483
+Node: Internal File Ops995574
+Ref: Internal File Ops-Footnote-11007006
+Node: Using Internal File Ops1007146
+Ref: Using Internal File Ops-Footnote-11009493
+Node: Extension Samples1009761
+Node: Extension Sample File Functions1011285
+Node: Extension Sample Fnmatch1018853
+Node: Extension Sample Fork1020335
+Node: Extension Sample Inplace1021548
+Node: Extension Sample Ord1023223
+Node: Extension Sample Readdir1024059
+Ref: table-readdir-file-types1024915
+Node: Extension Sample Revout1025714
+Node: Extension Sample Rev2way1026305
+Node: Extension Sample Read write array1027046
+Node: Extension Sample Readfile1028925
+Node: Extension Sample API Tests1030025
+Node: Extension Sample Time1030550
+Node: gawkextlib1031865
+Node: Extension summary1034678
+Node: Extension Exercises1038371
+Node: Language History1039093
+Node: V7/SVR3.11040736
+Node: SVR41043056
+Node: POSIX1044498
+Node: BTL1045884
+Node: POSIX/GNU1046618
+Node: Feature History1052334
+Node: Common Extensions1065425
+Node: Ranges and Locales1066737
+Ref: Ranges and Locales-Footnote-11071354
+Ref: Ranges and Locales-Footnote-21071381
+Ref: Ranges and Locales-Footnote-31071615
+Node: Contributors1071836
+Node: History summary1077261
+Node: Installation1078630
+Node: Gawk Distribution1079581
+Node: Getting1080065
+Node: Extracting1080889
+Node: Distribution contents1082531
+Node: Unix Installation1088248
+Node: Quick Installation1088865
+Node: Additional Configuration Options1091307
+Node: Configuration Philosophy1093045
+Node: Non-Unix Installation1095396
+Node: PC Installation1095854
+Node: PC Binary Installation1097165
+Node: PC Compiling1099013
+Ref: PC Compiling-Footnote-11102012
+Node: PC Testing1102117
+Node: PC Using1103293
+Node: Cygwin1107445
+Node: MSYS1108254
+Node: VMS Installation1108768
+Node: VMS Compilation1109564
+Ref: VMS Compilation-Footnote-11110786
+Node: VMS Dynamic Extensions1110844
+Node: VMS Installation Details1112217
+Node: VMS Running1114469
+Node: VMS GNV1117303
+Node: VMS Old Gawk1118026
+Node: Bugs1118496
+Node: Other Versions1122500
+Node: Installation summary1128727
+Node: Notes1129783
+Node: Compatibility Mode1130648
+Node: Additions1131430
+Node: Accessing The Source1132355
+Node: Adding Code1133791
+Node: New Ports1139969
+Node: Derived Files1144450
+Ref: Derived Files-Footnote-11149531
+Ref: Derived Files-Footnote-21149565
+Ref: Derived Files-Footnote-31150161
+Node: Future Extensions1150275
+Node: Implementation Limitations1150881
+Node: Extension Design1152129
+Node: Old Extension Problems1153283
+Ref: Old Extension Problems-Footnote-11154800
+Node: Extension New Mechanism Goals1154857
+Ref: Extension New Mechanism Goals-Footnote-11158217
+Node: Extension Other Design Decisions1158406
+Node: Extension Future Growth1160512
+Node: Old Extension Mechanism1161348
+Node: Notes summary1163110
+Node: Basic Concepts1164296
+Node: Basic High Level1164977
+Ref: figure-general-flow1165249
+Ref: figure-process-flow1165848
+Ref: Basic High Level-Footnote-11169077
+Node: Basic Data Typing1169262
+Node: Glossary1172590
+Node: Copying1197742
+Node: GNU Free Documentation License1235298
+Node: Index1260434
 
 End Tag Table
diff --git a/doc/gawk.texi b/doc/gawk.texi
index 1ecfbb84..53fb0af0 100644
--- a/doc/gawk.texi
+++ b/doc/gawk.texi
@@ -23849,6 +23849,7 @@ This program is a bit sloppy; it relies on @command{awk} to automatically close
 instead of doing it in an @code{END} rule.
 It also assumes that letters are contiguous in the character set,
 which isn't true for EBCDIC systems.
+
 @ifset FOR_PRINT
 You might want to consider how to eliminate the use of
 @code{ord()} and @code{chr()}; this can be done in such a
@@ -24885,6 +24886,12 @@ An obvious improvement to this program would be to set up the
 @code{t_ar} array only once, in a @code{BEGIN} rule. However, this
 assumes that the ``from'' and ``to'' lists
 will never change throughout the lifetime of the program.
+
+Another obvious improvement is to enable the use of ranges,
+such as @samp{a-z}, as allowed by the @command{tr} utility.
+Look at the code for @file{cut.awk} (@pxref{Cut Program})
+for inspiration.
+
 @c ENDOFRANGE chtra
 @c ENDOFRANGE tr
 
@@ -26380,13 +26387,6 @@ information is printed.  Modify the @command{awk} version
 same way.
 
 @item
-The @code{split.awk} program (@pxref{Split Program}) uses
-the @code{chr()} and @code{ord()} functions to move through the
-letters of the alphabet.
-Modify the program to instead use only the @command{awk}
-built-in functions, such as @code{index()} and @code{substr()}.
-
-@item
 The @code{split.awk} program (@pxref{Split Program}) assumes
 that letters are contiguous in the character set,
 which isn't true for EBCDIC systems.
diff --git a/doc/gawktexi.in b/doc/gawktexi.in
index 31faa324..dbad70c1 100644
--- a/doc/gawktexi.in
+++ b/doc/gawktexi.in
@@ -22947,6 +22947,7 @@ This program is a bit sloppy; it relies on @command{awk} to automatically close
 instead of doing it in an @code{END} rule.
 It also assumes that letters are contiguous in the character set,
 which isn't true for EBCDIC systems.
+
 @ifset FOR_PRINT
 You might want to consider how to eliminate the use of
 @code{ord()} and @code{chr()}; this can be done in such a
@@ -23983,6 +23984,12 @@ An obvious improvement to this program would be to set up the
 @code{t_ar} array only once, in a @code{BEGIN} rule. However, this
 assumes that the ``from'' and ``to'' lists
 will never change throughout the lifetime of the program.
+
+Another obvious improvement is to enable the use of ranges,
+such as @samp{a-z}, as allowed by the @command{tr} utility.
+Look at the code for @file{cut.awk} (@pxref{Cut Program})
+for inspiration.
+
 @c ENDOFRANGE chtra
 @c ENDOFRANGE tr
 
@@ -25478,13 +25485,6 @@ information is printed.  Modify the @command{awk} version
 same way.
 
 @item
-The @code{split.awk} program (@pxref{Split Program}) uses
-the @code{chr()} and @code{ord()} functions to move through the
-letters of the alphabet.
-Modify the program to instead use only the @command{awk}
-built-in functions, such as @code{index()} and @code{substr()}.
-
-@item
 The @code{split.awk} program (@pxref{Split Program}) assumes
 that letters are contiguous in the character set,
 which isn't true for EBCDIC systems.