Typo fix in the doc.

4 files changed, 560 insertions, 508 deletions

diff --git a/doc/ChangeLog b/doc/ChangeLog
index d06f5632..709992f8 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,7 @@
+2016-07-18         Arnold D. Robbins     <arnold@skeeve.com>
+
+	* gawktexi.in: Fix a typo. Thanks to Antonio Colombo for reporting.
+
 2016-07-17         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* gawktexi.in: Document GAWK_LOCALE_DIR env var and also to not
diff --git a/doc/gawk.info b/doc/gawk.info
index fab22030..f4759a08 100644
--- a/doc/gawk.info
+++ b/doc/gawk.info
@@ -3035,6 +3035,11 @@ change.  The variables are:
      source of a message, as there are multiple places that produce the
      same warning or error message.
 
+'GAWK_LOCALE_DIR'
+     Specifies the location of compiled message object files for 'gawk'
+     itself.  This is passed to the 'bindtextdomain()' function when
+     'gawk' starts up.
+
 'GAWK_NO_DFA'
      If this variable exists, 'gawk' does not use the DFA regexp matcher
      for "does it match" kinds of tests.  This can cause 'gawk' to be
@@ -20248,6 +20253,23 @@ are:
 'LC_ALL'
      All of the above.  (Not too useful in the context of 'gettext'.)
 
+     NOTE: As described in *note Locales::, environment variables with
+     the same name as the locale categories ('LC_CTYPE', 'LC_ALL', etc.)
+     influence 'gawk''s behavior (and that of other utilities).
+
+     Normally, these variables also affect how the 'gettext' library
+     finds translations.  However, the 'LANGUAGE' environment variable
+     overrides the 'LC_XXX' variables.  Many GNU/Linux systems may
+     define this variable without your knowledge, causing 'gawk' to not
+     find the correct translations.  If this happens to you, look to see
+     if 'LANGUAGE' is defined, and if so, use the shell's 'unset'
+     command to remove it.
+
+   For testing translations of 'gawk' itself, you can set the
+'GAWK_LOCALE_DIR' environment variable.  See the documentation for the C
+'bindtextdomain()' function and also see *note Other Environment
+Variables::.
+
    ---------- Footnotes ----------
 
    (1) For some operating systems, the 'gawk' port doesn't support GNU
@@ -33468,6 +33490,7 @@ Index
                                                               (line  75)
 * labels.awk program:                    Labels Program.      (line  51)
 * Langston, Peter:                       Advanced Features.   (line   6)
+* LANGUAGE environment variable:         Explaining gettext.  (line 120)
 * languages, data-driven:                Basic High Level.    (line  74)
 * LC_ALL locale category:                Explaining gettext.  (line 117)
 * LC_COLLATE locale category:            Explaining gettext.  (line  94)
@@ -34737,512 +34760,512 @@ Ref: AWKPATH Variable-Footnote-1140119
 Ref: AWKPATH Variable-Footnote-2140164
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+Ref: Concatenation-Footnote-1345642
+Node: Assignment Ops345749
+Ref: table-assign-ops350740
+Node: Increment Ops352053
+Node: Truth Values and Conditions355513
+Node: Truth Values356587
+Node: Typing and Comparison357635
+Node: Variable Typing358455
+Node: Comparison Operators362079
+Ref: table-relational-ops362498
+Node: POSIX String Comparison365993
+Ref: POSIX String Comparison-Footnote-1367067
+Node: Boolean Ops367206
+Ref: Boolean Ops-Footnote-1371688
+Node: Conditional Exp371780
+Node: Function Calls373516
+Node: Precedence377393
+Node: Locales381052
+Node: Expressions Summary382684
+Node: Patterns and Actions385257
+Node: Pattern Overview386377
+Node: Regexp Patterns388054
+Node: Expression Patterns388596
+Node: Ranges392377
+Node: BEGIN/END395485
+Node: Using BEGIN/END396246
+Ref: Using BEGIN/END-Footnote-1398982
+Node: I/O And BEGIN/END399088
+Node: BEGINFILE/ENDFILE401402
+Node: Empty404309
+Node: Using Shell Variables404626
+Node: Action Overview406900
+Node: Statements409225
+Node: If Statement411073
+Node: While Statement412568
+Node: Do Statement414596
+Node: For Statement415744
+Node: Switch Statement418902
+Node: Break Statement421288
+Node: Continue Statement423380
+Node: Next Statement425207
+Node: Nextfile Statement427590
+Node: Exit Statement430242
+Node: Built-in Variables432645
+Node: User-modified433778
+Ref: User-modified-Footnote-1441403
+Node: Auto-set441465
+Ref: Auto-set-Footnote-1454821
+Ref: Auto-set-Footnote-2455027
+Node: ARGC and ARGV455083
+Node: Pattern Action Summary459296
+Node: Arrays461726
+Node: Array Basics463055
+Node: Array Intro463899
+Ref: figure-array-elements465874
+Ref: Array Intro-Footnote-1468578
+Node: Reference to Elements468706
+Node: Assigning Elements471170
+Node: Array Example471661
+Node: Scanning an Array473420
+Node: Controlling Scanning476442
+Ref: Controlling Scanning-Footnote-1481841
+Node: Numeric Array Subscripts482157
+Node: Uninitialized Subscripts484341
+Node: Delete485960
+Ref: Delete-Footnote-1488712
+Node: Multidimensional488769
+Node: Multiscanning491864
+Node: Arrays of Arrays493455
+Node: Arrays Summary498222
+Node: Functions500315
+Node: Built-in501353
+Node: Calling Built-in502434
+Node: Numeric Functions504430
+Ref: Numeric Functions-Footnote-1508458
+Ref: Numeric Functions-Footnote-2508815
+Ref: Numeric Functions-Footnote-3508863
+Node: String Functions509135
+Ref: String Functions-Footnote-1532639
+Ref: String Functions-Footnote-2532767
+Ref: String Functions-Footnote-3533015
+Node: Gory Details533102
+Ref: table-sub-escapes534893
+Ref: table-sub-proposed536412
+Ref: table-posix-sub537775
+Ref: table-gensub-escapes539316
+Ref: Gory Details-Footnote-1540139
+Node: I/O Functions540293
+Ref: table-system-return-values546875
+Ref: I/O Functions-Footnote-1548855
+Ref: I/O Functions-Footnote-2549003
+Node: Time Functions549123
+Ref: Time Functions-Footnote-1559628
+Ref: Time Functions-Footnote-2559696
+Ref: Time Functions-Footnote-3559854
+Ref: Time Functions-Footnote-4559965
+Ref: Time Functions-Footnote-5560077
+Ref: Time Functions-Footnote-6560304
+Node: Bitwise Functions560570
+Ref: table-bitwise-ops561164
+Ref: Bitwise Functions-Footnote-1565502
+Node: Type Functions565675
+Node: I18N Functions566831
+Node: User-defined568482
+Node: Definition Syntax569287
+Ref: Definition Syntax-Footnote-1574974
+Node: Function Example575045
+Ref: Function Example-Footnote-1577967
+Node: Function Caveats577989
+Node: Calling A Function578507
+Node: Variable Scope579465
+Node: Pass By Value/Reference582459
+Node: Return Statement585958
+Node: Dynamic Typing588937
+Node: Indirect Calls589867
+Ref: Indirect Calls-Footnote-1600118
+Node: Functions Summary600246
+Node: Library Functions602951
+Ref: Library Functions-Footnote-1606558
+Ref: Library Functions-Footnote-2606701
+Node: Library Names606872
+Ref: Library Names-Footnote-1610332
+Ref: Library Names-Footnote-2610555
+Node: General Functions610641
+Node: Strtonum Function611744
+Node: Assert Function614766
+Node: Round Function618092
+Node: Cliff Random Function619633
+Node: Ordinal Functions620649
+Ref: Ordinal Functions-Footnote-1623712
+Ref: Ordinal Functions-Footnote-2623964
+Node: Join Function624174
+Ref: Join Function-Footnote-1625944
+Node: Getlocaltime Function626144
+Node: Readfile Function629886
+Node: Shell Quoting631858
+Node: Data File Management633259
+Node: Filetrans Function633891
+Node: Rewind Function637987
+Node: File Checking639892
+Ref: File Checking-Footnote-1641226
+Node: Empty Files641427
+Node: Ignoring Assigns643406
+Node: Getopt Function644956
+Ref: Getopt Function-Footnote-1656425
+Node: Passwd Functions656625
+Ref: Passwd Functions-Footnote-1665464
+Node: Group Functions665552
+Ref: Group Functions-Footnote-1673449
+Node: Walking Arrays673656
+Node: Library Functions Summary676664
+Node: Library Exercises678070
+Node: Sample Programs678535
+Node: Running Examples679305
+Node: Clones680033
+Node: Cut Program681257
+Node: Egrep Program691186
+Ref: Egrep Program-Footnote-1698698
+Node: Id Program698808
+Node: Split Program702488
+Ref: Split Program-Footnote-1705947
+Node: Tee Program706076
+Node: Uniq Program708866
+Node: Wc Program716292
+Ref: Wc Program-Footnote-1720547
+Node: Miscellaneous Programs720641
+Node: Dupword Program721854
+Node: Alarm Program723884
+Node: Translate Program728739
+Ref: Translate Program-Footnote-1733304
+Node: Labels Program733574
+Ref: Labels Program-Footnote-1736925
+Node: Word Sorting737009
+Node: History Sorting741081
+Node: Extract Program742916
+Node: Simple Sed750445
+Node: Igawk Program753519
+Ref: Igawk Program-Footnote-1767850
+Ref: Igawk Program-Footnote-2768052
+Ref: Igawk Program-Footnote-3768174
+Node: Anagram Program768289
+Node: Signature Program771351
+Node: Programs Summary772598
+Node: Programs Exercises773812
+Ref: Programs Exercises-Footnote-1777941
+Node: Advanced Features778032
+Node: Nondecimal Data780022
+Node: Array Sorting781613
+Node: Controlling Array Traversal782313
+Ref: Controlling Array Traversal-Footnote-1790680
+Node: Array Sorting Functions790798
+Ref: Array Sorting Functions-Footnote-1795889
+Node: Two-way I/O796085
+Ref: Two-way I/O-Footnote-1802379
+Ref: Two-way I/O-Footnote-2802566
+Node: TCP/IP Networking802648
+Node: Profiling805766
+Node: Advanced Features Summary813305
+Node: Internationalization815241
+Node: I18N and L10N816721
+Node: Explaining gettext817408
+Ref: Explaining gettext-Footnote-1823300
+Ref: Explaining gettext-Footnote-2823485
+Node: Programmer i18n823650
+Ref: Programmer i18n-Footnote-1828505
+Node: Translator i18n828554
+Node: String Extraction829348
+Ref: String Extraction-Footnote-1830480
+Node: Printf Ordering830566
+Ref: Printf Ordering-Footnote-1833352
+Node: I18N Portability833416
+Ref: I18N Portability-Footnote-1835872
+Node: I18N Example835935
+Ref: I18N Example-Footnote-1838741
+Node: Gawk I18N838814
+Node: I18N Summary839459
+Node: Debugger840800
+Node: Debugging841822
+Node: Debugging Concepts842263
+Node: Debugging Terms844072
+Node: Awk Debugging846647
+Node: Sample Debugging Session847553
+Node: Debugger Invocation848087
+Node: Finding The Bug849473
+Node: List of Debugger Commands855951
+Node: Breakpoint Control857284
+Node: Debugger Execution Control860978
+Node: Viewing And Changing Data864340
+Node: Execution Stack867714
+Node: Debugger Info869351
+Node: Miscellaneous Debugger Commands873422
+Node: Readline Support878510
+Node: Limitations879406
+Node: Debugging Summary881515
+Node: Arbitrary Precision Arithmetic882688
+Node: Computer Arithmetic884104
+Ref: table-numeric-ranges887695
+Ref: Computer Arithmetic-Footnote-1888417
+Node: Math Definitions888474
+Ref: table-ieee-formats891788
+Ref: Math Definitions-Footnote-1892391
+Node: MPFR features892496
+Node: FP Math Caution894213
+Ref: FP Math Caution-Footnote-1895285
+Node: Inexactness of computations895654
+Node: Inexact representation896614
+Node: Comparing FP Values897974
+Node: Errors accumulate899056
+Node: Getting Accuracy900489
+Node: Try To Round903199
+Node: Setting precision904098
+Ref: table-predefined-precision-strings904795
+Node: Setting the rounding mode906625
+Ref: table-gawk-rounding-modes906999
+Ref: Setting the rounding mode-Footnote-1910407
+Node: Arbitrary Precision Integers910586
+Ref: Arbitrary Precision Integers-Footnote-1913570
+Node: POSIX Floating Point Problems913719
+Ref: POSIX Floating Point Problems-Footnote-1917601
+Node: Floating point summary917639
+Node: Dynamic Extensions919829
+Node: Extension Intro921382
+Node: Plugin License922648
+Node: Extension Mechanism Outline923445
+Ref: figure-load-extension923884
+Ref: figure-register-new-function925449
+Ref: figure-call-new-function926541
+Node: Extension API Description928603
+Node: Extension API Functions Introduction930051
+Node: General Data Types934863
+Ref: General Data Types-Footnote-1940818
+Node: Memory Allocation Functions941117
+Ref: Memory Allocation Functions-Footnote-1943962
+Node: Constructor Functions944061
+Node: Registration Functions945806
+Node: Extension Functions946491
+Node: Exit Callback Functions948790
+Node: Extension Version String950040
+Node: Input Parsers950703
+Node: Output Wrappers960585
+Node: Two-way processors965097
+Node: Printing Messages967362
+Ref: Printing Messages-Footnote-1968436
+Node: Updating ERRNO968589
+Node: Requesting Values969328
+Ref: table-value-types-returned970065
+Node: Accessing Parameters970948
+Node: Symbol Table Access972183
+Node: Symbol table by name972695
+Node: Symbol table by cookie974716
+Ref: Symbol table by cookie-Footnote-1978868
+Node: Cached values978932
+Ref: Cached values-Footnote-1982439
+Node: Array Manipulation982530
+Ref: Array Manipulation-Footnote-1983629
+Node: Array Data Types983666
+Ref: Array Data Types-Footnote-1986324
+Node: Array Functions986416
+Node: Flattening Arrays990274
+Node: Creating Arrays997182
+Node: Extension API Variables1001951
+Node: Extension Versioning1002587
+Ref: gawk-api-version1003024
+Node: Extension API Informational Variables1004780
+Node: Extension API Boilerplate1005844
+Node: Finding Extensions1009658
+Node: Extension Example1010217
+Node: Internal File Description1011015
+Node: Internal File Ops1015095
+Ref: Internal File Ops-Footnote-11026857
+Node: Using Internal File Ops1026997
+Ref: Using Internal File Ops-Footnote-11029380
+Node: Extension Samples1029654
+Node: Extension Sample File Functions1031183
+Node: Extension Sample Fnmatch1038832
+Node: Extension Sample Fork1040319
+Node: Extension Sample Inplace1041537
+Node: Extension Sample Ord1044747
+Node: Extension Sample Readdir1045583
+Ref: table-readdir-file-types1046472
+Node: Extension Sample Revout1047277
+Node: Extension Sample Rev2way1047866
+Node: Extension Sample Read write array1048606
+Node: Extension Sample Readfile1050548
+Node: Extension Sample Time1051643
+Node: Extension Sample API Tests1052991
+Node: gawkextlib1053483
+Node: Extension summary1055907
+Node: Extension Exercises1059599
+Node: Language History1061096
+Node: V7/SVR3.11062752
+Node: SVR41064904
+Node: POSIX1066338
+Node: BTL1067717
+Node: POSIX/GNU1068446
+Node: Feature History1073967
+Node: Common Extensions1087296
+Node: Ranges and Locales1088579
+Ref: Ranges and Locales-Footnote-11093195
+Ref: Ranges and Locales-Footnote-21093222
+Ref: Ranges and Locales-Footnote-31093457
+Node: Contributors1093678
+Node: History summary1099247
+Node: Installation1100627
+Node: Gawk Distribution1101571
+Node: Getting1102055
+Node: Extracting1103016
+Node: Distribution contents1104654
+Node: Unix Installation1110405
+Node: Quick Installation1111021
+Node: Additional Configuration Options1113448
+Node: Configuration Philosophy1115252
+Node: Non-Unix Installation1117621
+Node: PC Installation1118079
+Node: PC Binary Installation1119399
+Node: PC Compiling1121251
+Ref: PC Compiling-Footnote-11124275
+Node: PC Testing1124384
+Node: PC Using1125564
+Node: Cygwin1129678
+Node: MSYS1130448
+Node: VMS Installation1130949
+Node: VMS Compilation1131740
+Ref: VMS Compilation-Footnote-11132969
+Node: VMS Dynamic Extensions1133027
+Node: VMS Installation Details1134712
+Node: VMS Running1136965
+Node: VMS GNV1141244
+Node: VMS Old Gawk1141979
+Node: Bugs1142450
+Node: Other Versions1146647
+Node: Installation summary1153231
+Node: Notes1154289
+Node: Compatibility Mode1155154
+Node: Additions1155936
+Node: Accessing The Source1156861
+Node: Adding Code1158296
+Node: New Ports1164515
+Node: Derived Files1169003
+Ref: Derived Files-Footnote-11174488
+Ref: Derived Files-Footnote-21174523
+Ref: Derived Files-Footnote-31175121
+Node: Future Extensions1175235
+Node: Implementation Limitations1175893
+Node: Extension Design1177076
+Node: Old Extension Problems1178230
+Ref: Old Extension Problems-Footnote-11179748
+Node: Extension New Mechanism Goals1179805
+Ref: Extension New Mechanism Goals-Footnote-11183169
+Node: Extension Other Design Decisions1183358
+Node: Extension Future Growth1185471
+Node: Old Extension Mechanism1186307
+Node: Notes summary1188070
+Node: Basic Concepts1189252
+Node: Basic High Level1189933
+Ref: figure-general-flow1190215
+Ref: figure-process-flow1190900
+Ref: Basic High Level-Footnote-11194201
+Node: Basic Data Typing1194386
+Node: Glossary1197714
+Node: Copying1229660
+Node: GNU Free Documentation License1267199
+Node: Index1292317
 
 End Tag Table
diff --git a/doc/gawk.texi b/doc/gawk.texi
index 6b2cf3cf..42d103e5 100644
--- a/doc/gawk.texi
+++ b/doc/gawk.texi
@@ -4566,6 +4566,11 @@ are generated.  Its purpose is to help isolate the source of a
 message, as there are multiple places that produce the
 same warning or error message.
 
+@item GAWK_LOCALE_DIR
+Specifies the location of compiled message object files
+for @command{gawk} itself. This is passed to the @code{bindtextdomain()}
+function when @command{gawk} starts up.
+
 @item GAWK_NO_DFA
 If this variable exists, @command{gawk} does not use the DFA regexp matcher
 for ``does it match'' kinds of tests. This can cause @command{gawk}
@@ -28309,6 +28314,26 @@ before or after the day in a date, local month abbreviations, and so on.
 All of the above.  (Not too useful in the context of @command{gettext}.)
 @end table
 
+@quotation NOTE
+@cindex @env{LANGUAGE} environment variable
+As described in @ref{Locales}, environment variables with the same
+name as the locale categories (@env{LC_CTYPE}, @env{LC_ALL}, etc.)
+influence @command{gawk}'s behavior (and that of other utilities).
+
+Normally, these variables also affect how the @code{gettext} library
+finds translations.  However, the @env{LANGUAGE} environment variable
+overrides the @env{LC_@var{xxx}} variables. Many GNU/Linux systems
+may define this variable without your knowledge, causing @command{gawk}
+to not find the correct translations.  If this happens to you,
+look to see if @env{LANGUAGE} is defined, and if so, use the shell's
+@command{unset} command to remove it.
+@end quotation
+
+For testing translations of @command{gawk} itself, you can set
+the @env{GAWK_LOCALE_DIR} environment variable. See the documentation
+for the C @code{bindtextdomain()} function and also see
+@ref{Other Environment Variables}.
+
 @node Programmer i18n
 @section Internationalizing @command{awk} Programs
 @cindex @command{awk} programs, internationalizing
diff --git a/doc/gawktexi.in b/doc/gawktexi.in
index 002936c8..9714f1a4 100644
--- a/doc/gawktexi.in
+++ b/doc/gawktexi.in
@@ -27416,7 +27416,7 @@ finds translations.  However, the @env{LANGUAGE} environment variable
 overrides the @env{LC_@var{xxx}} variables. Many GNU/Linux systems
 may define this variable without your knowledge, causing @command{gawk}
 to not find the correct translations.  If this happens to you,
-look to see if @env{LANGAUGE} is defined, and if so, use the shell's
+look to see if @env{LANGUAGE} is defined, and if so, use the shell's
 @command{unset} command to remove it.
 @end quotation