Merge branch 'gawk-4.0-stable'

3 files changed, 522 insertions, 517 deletions

diff --git a/doc/ChangeLog b/doc/ChangeLog
index 34997fab..a41d0e05 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,7 @@
+2013-03-15         Arnold D. Robbins     <arnold@skeeve.com>
+
+	* gawk.texi: Update URL for texinfo, fix a typo.
+
 2013-03-04         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* gawk.texi (Getline/Pipe): Add a nice quote from BWK.
diff --git a/doc/gawk.info b/doc/gawk.info
index 25120ddb..51192365 100644
--- a/doc/gawk.info
+++ b/doc/gawk.info
@@ -1054,11 +1054,11 @@ File: gawk.info,  Node: Conventions,  Next: Manual History,  Prev: This Manual,
 Typographical Conventions
 =========================
 
-This Info file is written in Texinfo (http://texinfo.org), the GNU
-documentation formatting language.  A single Texinfo source file is
-used to produce both the printed and online versions of the
-documentation.  This minor node briefly documents the typographical
-conventions used in Texinfo.
+This Info file is written in Texinfo
+(http://www.gnu.org/software/texinfo/), the GNU documentation
+formatting language.  A single Texinfo source file is used to produce
+both the printed and online versions of the documentation.  This minor
+node briefly documents the typographical conventions used in Texinfo.
 
    Examples you would type at the command-line are preceded by the
 common shell primary and secondary prompts, `$' and `>'.  Input that
@@ -17056,10 +17056,11 @@ to experiment with these programs, it is tedious to have to type them
 in by hand.  Here we present a program that can extract parts of a
 Texinfo input file into separate files.
 
-This Info file is written in Texinfo (http://texinfo.org), the GNU
-project's document formatting language.  A single Texinfo source file
-can be used to produce both printed and online documentation.  The
-Texinfo language is described fully, starting with *note (Texinfo)Top::
+This Info file is written in Texinfo
+(http://www.gnu.org/software/texinfo/), the GNU project's document
+formatting language.  A single Texinfo source file can be used to
+produce both printed and online documentation.  The Texinfo language is
+described fully, starting with *note (Texinfo)Top::
 texinfo,Texinfo--The GNU Documentation Format.
 
    For our purposes, it is enough to know three things about Texinfo
@@ -20124,7 +20125,7 @@ from a file.  The commands are:
 
      In addition to, or instead of the `source' command, you can use
      the `-D FILE' or `--debug=FILE' command-line options to execute
-     commands from a file non-interactively (*note Options::.
+     commands from a file non-interactively (*note Options::).
 
 
 File: gawk.info,  Node: Miscellaneous Debugger Commands,  Prev: Debugger Info,  Up: List of Debugger Commands
@@ -30309,7 +30310,7 @@ Index
 * extensions, common, single character fields: Single Character Fields.
                                                               (line   6)
 * extensions, in gawk, not in POSIX awk: POSIX/GNU.           (line   6)
-* extract.awk program:                   Extract Program.     (line  78)
+* extract.awk program:                   Extract Program.     (line  79)
 * extraction, of marked strings (internationalization): String Extraction.
                                                               (line   6)
 * f debugger command (alias for frame):  Execution Stack.     (line  25)
@@ -31920,508 +31921,508 @@ Ref: Names-Footnote-151905
 Node: This Manual51977
 Ref: This Manual-Footnote-157883
 Node: Conventions57983
-Node: Manual History60117
-Ref: Manual History-Footnote-163387
-Ref: Manual History-Footnote-263428
-Node: How To Contribute63502
-Node: Acknowledgments64646
-Node: Getting Started69142
-Node: Running gawk71521
-Node: One-shot72707
-Node: Read Terminal73932
-Ref: Read Terminal-Footnote-175582
-Ref: Read Terminal-Footnote-275858
-Node: Long76029
-Node: Executable Scripts77405
-Ref: Executable Scripts-Footnote-179274
-Ref: Executable Scripts-Footnote-279376
-Node: Comments79923
-Node: Quoting82390
-Node: DOS Quoting87013
-Node: Sample Data Files87688
-Node: Very Simple90720
-Node: Two Rules95319
-Node: More Complex97466
-Ref: More Complex-Footnote-1100396
-Node: Statements/Lines100481
-Ref: Statements/Lines-Footnote-1104943
-Node: Other Features105208
-Node: When106136
-Node: Invoking Gawk108283
-Node: Command Line109744
-Node: Options110527
-Ref: Options-Footnote-1125925
-Node: Other Arguments125950
-Node: Naming Standard Input128608
-Node: Environment Variables129702
-Node: AWKPATH Variable130260
-Ref: AWKPATH Variable-Footnote-1133018
-Node: AWKLIBPATH Variable133278
-Node: Other Environment Variables133875
-Node: Exit Status136370
-Node: Include Files137045
-Node: Loading Shared Libraries140614
-Node: Obsolete141839
-Node: Undocumented142536
-Node: Regexp142779
-Node: Regexp Usage144168
-Node: Escape Sequences146194
-Node: Regexp Operators151957
-Ref: Regexp Operators-Footnote-1159337
-Ref: Regexp Operators-Footnote-2159484
-Node: Bracket Expressions159582
-Ref: table-char-classes161472
-Node: GNU Regexp Operators163995
-Node: Case-sensitivity167718
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-Ref: Case-sensitivity-Footnote-2170921
-Node: Leftmost Longest171029
-Node: Computed Regexps172230
-Node: Reading Files175640
-Node: Records177643
-Ref: Records-Footnote-1186567
-Node: Fields186604
-Ref: Fields-Footnote-1189637
-Node: Nonconstant Fields189723
-Node: Changing Fields191925
-Node: Field Separators197906
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-Node: Single Character Fields204994
-Node: Command Line Field Separator206053
-Node: Field Splitting Summary209494
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-Node: Constant Size212787
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-Node: Getline/Pipe235617
-Node: Getline/Variable/Pipe238303
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-Node: Getline/Variable/Coprocess240653
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-Node: Getline Summary244154
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-Node: Read Timeout245420
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-Node: Command line directories249222
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+Node: Acknowledgments64664
+Node: Getting Started69160
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+Node: Special FD281238
+Ref: Special FD-Footnote-1284863
+Node: Special Network284937
+Node: Special Caveats285787
+Node: Close Files And Pipes286583
+Ref: Close Files And Pipes-Footnote-1293606
+Ref: Close Files And Pipes-Footnote-2293754
+Node: Expressions293904
+Node: Values295036
+Node: Constants295712
+Node: Scalar Constants296392
+Ref: Scalar Constants-Footnote-1297251
+Node: Nondecimal-numbers297433
+Node: Regexp Constants300492
+Node: Using Constant Regexps300967
+Node: Variables304022
+Node: Using Variables304677
+Node: Assignment Options306401
+Node: Conversion308273
+Ref: table-locale-affects313764
+Ref: Conversion-Footnote-1314388
+Node: All Operators314497
+Node: Arithmetic Ops315127
+Node: Concatenation317632
+Ref: Concatenation-Footnote-1320425
+Node: Assignment Ops320545
+Ref: table-assign-ops325533
+Node: Increment Ops326941
+Node: Truth Values and Conditions330411
+Node: Truth Values331494
+Node: Typing and Comparison332543
+Node: Variable Typing333332
+Ref: Variable Typing-Footnote-1337229
+Node: Comparison Operators337351
+Ref: table-relational-ops337761
+Node: POSIX String Comparison341310
+Ref: POSIX String Comparison-Footnote-1342266
+Node: Boolean Ops342404
+Ref: Boolean Ops-Footnote-1346482
+Node: Conditional Exp346573
+Node: Function Calls348305
+Node: Precedence351899
+Node: Locales355568
+Node: Patterns and Actions356657
+Node: Pattern Overview357711
+Node: Regexp Patterns359380
+Node: Expression Patterns359923
+Node: Ranges363608
+Node: BEGIN/END366574
+Node: Using BEGIN/END367336
+Ref: Using BEGIN/END-Footnote-1370067
+Node: I/O And BEGIN/END370173
+Node: BEGINFILE/ENDFILE372455
+Node: Empty375359
+Node: Using Shell Variables375675
+Node: Action Overview377960
+Node: Statements380317
+Node: If Statement382171
+Node: While Statement383670
+Node: Do Statement385714
+Node: For Statement386870
+Node: Switch Statement390022
+Node: Break Statement392119
+Node: Continue Statement394109
+Node: Next Statement395902
+Node: Nextfile Statement398292
+Node: Exit Statement400933
+Node: Built-in Variables403349
+Node: User-modified404444
+Ref: User-modified-Footnote-1412799
+Node: Auto-set412861
+Ref: Auto-set-Footnote-1425212
+Ref: Auto-set-Footnote-2425417
+Node: ARGC and ARGV425473
+Node: Arrays429324
+Node: Array Basics430829
+Node: Array Intro431655
+Node: Reference to Elements435973
+Node: Assigning Elements438243
+Node: Array Example438734
+Node: Scanning an Array440466
+Node: Controlling Scanning442780
+Ref: Controlling Scanning-Footnote-1447713
+Node: Delete448029
+Ref: Delete-Footnote-1450794
+Node: Numeric Array Subscripts450851
+Node: Uninitialized Subscripts453034
+Node: Multi-dimensional454662
+Node: Multi-scanning457756
+Node: Arrays of Arrays459347
+Node: Functions463992
+Node: Built-in464811
+Node: Calling Built-in465889
+Node: Numeric Functions467877
+Ref: Numeric Functions-Footnote-1471709
+Ref: Numeric Functions-Footnote-2472066
+Ref: Numeric Functions-Footnote-3472114
+Node: String Functions472383
+Ref: String Functions-Footnote-1495880
+Ref: String Functions-Footnote-2496009
+Ref: String Functions-Footnote-3496257
+Node: Gory Details496344
+Ref: table-sub-escapes498023
+Ref: table-sub-posix-92499377
+Ref: table-sub-proposed500728
+Ref: table-posix-sub502082
+Ref: table-gensub-escapes503627
+Ref: Gory Details-Footnote-1504834
+Ref: Gory Details-Footnote-2504885
+Node: I/O Functions505036
+Ref: I/O Functions-Footnote-1512141
+Node: Time Functions512288
+Ref: Time Functions-Footnote-1523221
+Ref: Time Functions-Footnote-2523289
+Ref: Time Functions-Footnote-3523447
+Ref: Time Functions-Footnote-4523558
+Ref: Time Functions-Footnote-5523670
+Ref: Time Functions-Footnote-6523897
+Node: Bitwise Functions524163
+Ref: table-bitwise-ops524721
+Ref: Bitwise Functions-Footnote-1528942
+Node: Type Functions529126
+Node: I18N Functions529596
+Node: User-defined531223
+Node: Definition Syntax532027
+Ref: Definition Syntax-Footnote-1536937
+Node: Function Example537006
+Node: Function Caveats539600
+Node: Calling A Function540021
+Node: Variable Scope541136
+Node: Pass By Value/Reference544099
+Node: Return Statement547539
+Node: Dynamic Typing550520
+Node: Indirect Calls551451
+Node: Library Functions561136
+Ref: Library Functions-Footnote-1564649
+Ref: Library Functions-Footnote-2564792
+Node: Library Names564963
+Ref: Library Names-Footnote-1568434
+Ref: Library Names-Footnote-2568654
+Node: General Functions568740
+Node: Strtonum Function569693
+Node: Assert Function572623
+Node: Round Function575949
+Node: Cliff Random Function577492
+Node: Ordinal Functions578508
+Ref: Ordinal Functions-Footnote-1581578
+Ref: Ordinal Functions-Footnote-2581830
+Node: Join Function582039
+Ref: Join Function-Footnote-1583810
+Node: Getlocaltime Function584010
+Node: Data File Management587725
+Node: Filetrans Function588357
+Node: Rewind Function592496
+Node: File Checking593883
+Node: Empty Files594977
+Node: Ignoring Assigns597207
+Node: Getopt Function598760
+Ref: Getopt Function-Footnote-1610064
+Node: Passwd Functions610267
+Ref: Passwd Functions-Footnote-1619242
+Node: Group Functions619330
+Node: Walking Arrays627414
+Node: Sample Programs628983
+Node: Running Examples629660
+Node: Clones630388
+Node: Cut Program631612
+Node: Egrep Program641457
+Ref: Egrep Program-Footnote-1649230
+Node: Id Program649340
+Node: Split Program652956
+Ref: Split Program-Footnote-1656475
+Node: Tee Program656603
+Node: Uniq Program659406
+Node: Wc Program666835
+Ref: Wc Program-Footnote-1671101
+Ref: Wc Program-Footnote-2671301
+Node: Miscellaneous Programs671393
+Node: Dupword Program672581
+Node: Alarm Program674612
+Node: Translate Program679361
+Ref: Translate Program-Footnote-1683748
+Ref: Translate Program-Footnote-2683976
+Node: Labels Program684110
+Ref: Labels Program-Footnote-1687481
+Node: Word Sorting687565
+Node: History Sorting691449
+Node: Extract Program693288
+Ref: Extract Program-Footnote-1700789
+Node: Simple Sed700917
+Node: Igawk Program703979
+Ref: Igawk Program-Footnote-1719136
+Ref: Igawk Program-Footnote-2719337
+Node: Anagram Program719475
+Node: Signature Program722543
+Node: Internationalization723643
+Node: I18N and L10N725075
+Node: Explaining gettext725761
+Ref: Explaining gettext-Footnote-1730827
+Ref: Explaining gettext-Footnote-2731011
+Node: Programmer i18n731176
+Node: Translator i18n735376
+Node: String Extraction736169
+Ref: String Extraction-Footnote-1737130
+Node: Printf Ordering737216
+Ref: Printf Ordering-Footnote-1740000
+Node: I18N Portability740064
+Ref: I18N Portability-Footnote-1742513
+Node: I18N Example742576
+Ref: I18N Example-Footnote-1745211
+Node: Gawk I18N745283
+Node: Advanced Features745900
+Node: Nondecimal Data747404
+Node: Array Sorting748987
+Node: Controlling Array Traversal749684
+Node: Array Sorting Functions757922
+Ref: Array Sorting Functions-Footnote-1761596
+Ref: Array Sorting Functions-Footnote-2761689
+Node: Two-way I/O761883
+Ref: Two-way I/O-Footnote-1767315
+Node: TCP/IP Networking767385
+Node: Profiling770229
+Node: Debugger777683
+Node: Debugging778651
+Node: Debugging Concepts779084
+Node: Debugging Terms780940
+Node: Awk Debugging783537
+Node: Sample Debugging Session784429
+Node: Debugger Invocation784949
+Node: Finding The Bug786278
+Node: List of Debugger Commands792766
+Node: Breakpoint Control794100
+Node: Debugger Execution Control797764
+Node: Viewing And Changing Data801124
+Node: Execution Stack804480
+Node: Debugger Info805947
+Node: Miscellaneous Debugger Commands809929
+Node: Readline Support815374
+Node: Limitations816205
+Node: Arbitrary Precision Arithmetic818457
+Ref: Arbitrary Precision Arithmetic-Footnote-1820099
+Node: General Arithmetic820247
+Node: Floating Point Issues821967
+Node: String Conversion Precision822848
+Ref: String Conversion Precision-Footnote-1824554
+Node: Unexpected Results824663
+Node: POSIX Floating Point Problems826816
+Ref: POSIX Floating Point Problems-Footnote-1830641
+Node: Integer Programming830679
+Node: Floating-point Programming832432
+Ref: Floating-point Programming-Footnote-1838741
+Node: Floating-point Representation839005
+Node: Floating-point Context840170
+Ref: table-ieee-formats841012
+Node: Rounding Mode842396
+Ref: table-rounding-modes842875
+Ref: Rounding Mode-Footnote-1845879
+Node: Gawk and MPFR846060
+Node: Arbitrary Precision Floats847302
+Ref: Arbitrary Precision Floats-Footnote-1849731
+Node: Setting Precision850042
+Node: Setting Rounding Mode852775
+Ref: table-gawk-rounding-modes853179
+Node: Floating-point Constants854359
+Node: Changing Precision855783
+Ref: Changing Precision-Footnote-1857183
+Node: Exact Arithmetic857357
+Node: Arbitrary Precision Integers860465
+Ref: Arbitrary Precision Integers-Footnote-1863465
+Node: Dynamic Extensions863612
+Node: Extension Intro864989
+Node: Plugin License866197
+Node: Extension Mechanism Outline866882
+Ref: load-extension867299
+Ref: load-new-function868777
+Ref: call-new-function869772
+Node: Extension API Description871780
+Node: Extension API Functions Introduction873119
+Node: General Data Types877897
+Ref: General Data Types-Footnote-1883499
+Node: Requesting Values883798
+Ref: table-value-types-returned884529
+Node: Constructor Functions885483
+Node: Registration Functions888479
+Node: Extension Functions889164
+Node: Exit Callback Functions891338
+Node: Extension Version String892581
+Node: Input Parsers893231
+Node: Output Wrappers902948
+Node: Two-way processors907364
+Node: Printing Messages909494
+Ref: Printing Messages-Footnote-1910571
+Node: Updating `ERRNO'910723
+Node: Accessing Parameters911462
+Node: Symbol Table Access912692
+Node: Symbol table by name913204
+Node: Symbol table by cookie914777
+Ref: Symbol table by cookie-Footnote-1918906
+Node: Cached values918969
+Ref: Cached values-Footnote-1922412
+Node: Array Manipulation922503
+Ref: Array Manipulation-Footnote-1923601
+Node: Array Data Types923640
+Ref: Array Data Types-Footnote-1926343
+Node: Array Functions926435
+Node: Flattening Arrays930201
+Node: Creating Arrays937040
+Node: Extension API Variables941835
+Node: Extension Versioning942471
+Node: Extension API Informational Variables944372
+Node: Extension API Boilerplate945458
+Node: Finding Extensions949289
+Node: Extension Example949836
+Node: Internal File Description950574
+Node: Internal File Ops954262
+Ref: Internal File Ops-Footnote-1965709
+Node: Using Internal File Ops965849
+Ref: Using Internal File Ops-Footnote-1968202
+Node: Extension Samples968468
+Node: Extension Sample File Functions969992
+Node: Extension Sample Fnmatch978465
+Node: Extension Sample Fork980191
+Node: Extension Sample Inplace981409
+Node: Extension Sample Ord983201
+Node: Extension Sample Readdir983980
+Node: Extension Sample Revout985484
+Node: Extension Sample Rev2way986077
+Node: Extension Sample Read write array986767
+Node: Extension Sample Readfile988650
+Node: Extension Sample API Tests989407
+Node: Extension Sample Time989932
+Node: gawkextlib991239
+Node: Language History993620
+Node: V7/SVR3.1995142
+Node: SVR4997463
+Node: POSIX998905
+Node: BTL999913
+Node: POSIX/GNU1000718
+Node: Common Extensions1006253
+Node: Ranges and Locales1007360
+Ref: Ranges and Locales-Footnote-11011978
+Ref: Ranges and Locales-Footnote-21012005
+Ref: Ranges and Locales-Footnote-31012265
+Node: Contributors1012486
+Node: Installation1016782
+Node: Gawk Distribution1017676
+Node: Getting1018160
+Node: Extracting1018986
+Node: Distribution contents1020678
+Node: Unix Installation1025939
+Node: Quick Installation1026556
+Node: Additional Configuration Options1028518
+Node: Configuration Philosophy1029995
+Node: Non-Unix Installation1032337
+Node: PC Installation1032795
+Node: PC Binary Installation1034094
+Node: PC Compiling1035942
+Node: PC Testing1038886
+Node: PC Using1040062
+Node: Cygwin1044247
+Node: MSYS1045247
+Node: VMS Installation1045761
+Node: VMS Compilation1046364
+Ref: VMS Compilation-Footnote-11047371
+Node: VMS Installation Details1047429
+Node: VMS Running1049064
+Node: VMS Old Gawk1050671
+Node: Bugs1051145
+Node: Other Versions1054997
+Node: Notes1060327
+Node: Compatibility Mode1061127
+Node: Additions1061910
+Node: Accessing The Source1062837
+Node: Adding Code1064440
+Node: New Ports1070482
+Node: Derived Files1074617
+Ref: Derived Files-Footnote-11079938
+Ref: Derived Files-Footnote-21079972
+Ref: Derived Files-Footnote-31080572
+Node: Future Extensions1080670
+Node: Implementation Limitations1081251
+Node: Extension Design1082503
+Node: Old Extension Problems1083652
+Ref: Old Extension Problems-Footnote-11085160
+Node: Extension New Mechanism Goals1085217
+Ref: Extension New Mechanism Goals-Footnote-11088576
+Node: Extension Other Design Decisions1088762
+Node: Extension Future Growth1090868
+Node: Old Extension Mechansim1091689
+Node: Basic Concepts1093446
+Node: Basic High Level1094127
+Ref: figure-general-flow1094398
+Ref: figure-process-flow1094997
+Ref: Basic High Level-Footnote-11098226
+Node: Basic Data Typing1098411
+Node: Glossary1101766
+Node: Copying1127077
+Node: GNU Free Documentation License1164634
+Node: Index1189771
 
 End Tag Table
diff --git a/doc/gawk.texi b/doc/gawk.texi
index a5b57712..656a4bc5 100644
--- a/doc/gawk.texi
+++ b/doc/gawk.texi
@@ -1382,7 +1382,7 @@ and this @value{DOCUMENT}, respectively.
 @section Typographical Conventions
 
 @cindex Texinfo
-This @value{DOCUMENT} is written in @uref{http://texinfo.org, Texinfo},
+This @value{DOCUMENT} is written in @uref{http://www.gnu.org/software/texinfo/, Texinfo},
 the GNU documentation formatting language.
 A single Texinfo source file is used to produce both the printed and online
 versions of the documentation.
@@ -22789,7 +22789,7 @@ them in by hand.  Here we present a program that can extract parts of a
 Texinfo input file into separate files.
 
 @cindex Texinfo
-This @value{DOCUMENT} is written in @uref{http://texinfo.org, Texinfo},
+This @value{DOCUMENT} is written in @uref{http://www.gnu.org/software/texinfo/, Texinfo},
 the GNU project's document formatting language.
 A single Texinfo source file can be used to produce both
 printed and online documentation.
@@ -26835,7 +26835,7 @@ same file more than once in order to avoid infinite recursion.
 In addition to, or instead of the @code{source} command, you can use
 the @option{-D @var{file}} or @option{--debug=@var{file}} command-line
 options to execute commands from a file non-interactively
-(@pxref{Options}.
+(@pxref{Options}).
 @end table
 
 @node Miscellaneous Debugger Commands