Continuing doc cleanup.

3 files changed, 423 insertions, 418 deletions

diff --git a/doc/ChangeLog b/doc/ChangeLog
index 4371cbf0..b8ddde70 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,7 @@
+2013-04-03         Arnold D. Robbins     <arnold@skeeve.com>
+
+	* gawk.texi: Continue cleanup.
+
 2013-04-02         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* gawk.texi: Start a simple cleanup pass before the release.
diff --git a/doc/gawk.info b/doc/gawk.info
index ff07b9f0..872e31fa 100644
--- a/doc/gawk.info
+++ b/doc/gawk.info
@@ -5560,8 +5560,8 @@ special element in the `PROCINFO' array:
 
      PROCINFO["input_name", "READ_TIMEOUT"] = TIMEOUT IN MILLISECONDS
 
-   When set, this will cause `gawk' to time out and return failure if
-no data is available to read within the specified timeout period.  For
+   When set, this causes `gawk' to time out and return failure if no
+data is available to read within the specified timeout period.  For
 example, a TCP client can decide to give up on receiving any response
 from the server after a certain amount of time:
 
@@ -6514,7 +6514,7 @@ redirection, the value must be a string.  It is a common error to omit
 the quotes, which leads to confusing results.
 
    Finally, using the `close()' function on a file name of the form
-`"/dev/fd/N"', for file descriptor numbers above two, will actually
+`"/dev/fd/N"', for file descriptor numbers above two, does actually
 close the given file descriptor.
 
    The `/dev/stdin', `/dev/stdout', and `/dev/stderr' special files are
@@ -32039,418 +32039,418 @@ Node: Getline Notes242255
 Node: Getline Summary245042
 Ref: table-getline-variants245450
 Node: Read Timeout246308
-Ref: Read Timeout-Footnote-1250053
-Node: Command line directories250110
-Node: Printing250740
-Node: Print252371
-Node: Print Examples253708
-Node: Output Separators256492
-Node: OFMT258252
-Node: Printf259610
-Node: Basic Printf260516
-Node: Control Letters262055
-Node: Format Modifiers265867
-Node: Printf Examples271876
-Node: Redirection274591
-Node: Special Files281575
-Node: Special FD282108
-Ref: Special FD-Footnote-1285733
-Node: Special Network285807
-Node: Special Caveats286657
-Node: Close Files And Pipes287453
-Ref: Close Files And Pipes-Footnote-1294476
-Ref: Close Files And Pipes-Footnote-2294624
-Node: Expressions294774
-Node: Values295906
-Node: Constants296582
-Node: Scalar Constants297262
-Ref: Scalar Constants-Footnote-1298121
-Node: Nondecimal-numbers298303
-Node: Regexp Constants301362
-Node: Using Constant Regexps301837
-Node: Variables304892
-Node: Using Variables305547
-Node: Assignment Options307271
-Node: Conversion309143
-Ref: table-locale-affects314634
-Ref: Conversion-Footnote-1315258
-Node: All Operators315367
-Node: Arithmetic Ops315997
-Node: Concatenation318502
-Ref: Concatenation-Footnote-1321295
-Node: Assignment Ops321415
-Ref: table-assign-ops326403
-Node: Increment Ops327811
-Node: Truth Values and Conditions331281
-Node: Truth Values332364
-Node: Typing and Comparison333413
-Node: Variable Typing334202
-Ref: Variable Typing-Footnote-1338099
-Node: Comparison Operators338221
-Ref: table-relational-ops338631
-Node: POSIX String Comparison342180
-Ref: POSIX String Comparison-Footnote-1343136
-Node: Boolean Ops343274
-Ref: Boolean Ops-Footnote-1347352
-Node: Conditional Exp347443
-Node: Function Calls349175
-Node: Precedence352769
-Node: Locales356438
-Node: Patterns and Actions357527
-Node: Pattern Overview358581
-Node: Regexp Patterns360250
-Node: Expression Patterns360793
-Node: Ranges364478
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-Node: Using BEGIN/END368206
-Ref: Using BEGIN/END-Footnote-1370937
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-Node: Empty376229
-Node: Using Shell Variables376545
-Node: Action Overview378830
-Node: Statements381187
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-Node: While Statement384540
-Node: Do Statement386584
-Node: For Statement387740
-Node: Switch Statement390892
-Node: Break Statement392989
-Node: Continue Statement394979
-Node: Next Statement396772
-Node: Nextfile Statement399162
-Node: Exit Statement401803
-Node: Built-in Variables404219
-Node: User-modified405314
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-Node: Auto-set413731
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-Ref: Auto-set-Footnote-2426287
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-Node: Arrays430194
-Node: Array Basics431699
-Node: Array Intro432525
-Node: Reference to Elements436843
-Node: Assigning Elements439113
-Node: Array Example439604
-Node: Scanning an Array441336
-Node: Controlling Scanning443650
-Ref: Controlling Scanning-Footnote-1448583
-Node: Delete448899
-Ref: Delete-Footnote-1451664
-Node: Numeric Array Subscripts451721
-Node: Uninitialized Subscripts453904
-Node: Multi-dimensional455532
-Node: Multi-scanning458626
-Node: Arrays of Arrays460217
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-Node: Built-in465681
-Node: Calling Built-in466759
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-Ref: Numeric Functions-Footnote-3472984
-Node: String Functions473253
-Ref: String Functions-Footnote-1496750
-Ref: String Functions-Footnote-2496879
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-Ref: Time Functions-Footnote-5524540
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-Node: Bitwise Functions525033
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-Node: User-defined532093
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-Node: Glossary1102636
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-Node: GNU Free Documentation License1165504
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+Ref: Array Sorting Functions-Footnote-2762555
+Node: Two-way I/O762749
+Ref: Two-way I/O-Footnote-1768181
+Node: TCP/IP Networking768251
+Node: Profiling771095
+Node: Debugger778549
+Node: Debugging779517
+Node: Debugging Concepts779950
+Node: Debugging Terms781806
+Node: Awk Debugging784403
+Node: Sample Debugging Session785295
+Node: Debugger Invocation785815
+Node: Finding The Bug787144
+Node: List of Debugger Commands793632
+Node: Breakpoint Control794966
+Node: Debugger Execution Control798630
+Node: Viewing And Changing Data801990
+Node: Execution Stack805346
+Node: Debugger Info806813
+Node: Miscellaneous Debugger Commands810795
+Node: Readline Support816240
+Node: Limitations817071
+Node: Arbitrary Precision Arithmetic819323
+Ref: Arbitrary Precision Arithmetic-Footnote-1820965
+Node: General Arithmetic821113
+Node: Floating Point Issues822833
+Node: String Conversion Precision823714
+Ref: String Conversion Precision-Footnote-1825420
+Node: Unexpected Results825529
+Node: POSIX Floating Point Problems827682
+Ref: POSIX Floating Point Problems-Footnote-1831507
+Node: Integer Programming831545
+Node: Floating-point Programming833298
+Ref: Floating-point Programming-Footnote-1839607
+Node: Floating-point Representation839871
+Node: Floating-point Context841036
+Ref: table-ieee-formats841878
+Node: Rounding Mode843262
+Ref: table-rounding-modes843741
+Ref: Rounding Mode-Footnote-1846745
+Node: Gawk and MPFR846926
+Node: Arbitrary Precision Floats848168
+Ref: Arbitrary Precision Floats-Footnote-1850597
+Node: Setting Precision850908
+Node: Setting Rounding Mode853641
+Ref: table-gawk-rounding-modes854045
+Node: Floating-point Constants855225
+Node: Changing Precision856649
+Ref: Changing Precision-Footnote-1858049
+Node: Exact Arithmetic858223
+Node: Arbitrary Precision Integers861331
+Ref: Arbitrary Precision Integers-Footnote-1864331
+Node: Dynamic Extensions864478
+Node: Extension Intro865855
+Node: Plugin License867063
+Node: Extension Mechanism Outline867748
+Ref: load-extension868165
+Ref: load-new-function869643
+Ref: call-new-function870638
+Node: Extension API Description872646
+Node: Extension API Functions Introduction873985
+Node: General Data Types878763
+Ref: General Data Types-Footnote-1884365
+Node: Requesting Values884664
+Ref: table-value-types-returned885395
+Node: Constructor Functions886349
+Node: Registration Functions889345
+Node: Extension Functions890030
+Node: Exit Callback Functions892204
+Node: Extension Version String893447
+Node: Input Parsers894097
+Node: Output Wrappers903814
+Node: Two-way processors908230
+Node: Printing Messages910360
+Ref: Printing Messages-Footnote-1911437
+Node: Updating `ERRNO'911589
+Node: Accessing Parameters912328
+Node: Symbol Table Access913558
+Node: Symbol table by name914070
+Node: Symbol table by cookie915643
+Ref: Symbol table by cookie-Footnote-1919772
+Node: Cached values919835
+Ref: Cached values-Footnote-1923278
+Node: Array Manipulation923369
+Ref: Array Manipulation-Footnote-1924467
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+Ref: Array Data Types-Footnote-1927209
+Node: Array Functions927301
+Node: Flattening Arrays931067
+Node: Creating Arrays937906
+Node: Extension API Variables942701
+Node: Extension Versioning943337
+Node: Extension API Informational Variables945238
+Node: Extension API Boilerplate946324
+Node: Finding Extensions950155
+Node: Extension Example950702
+Node: Internal File Description951440
+Node: Internal File Ops955128
+Ref: Internal File Ops-Footnote-1966575
+Node: Using Internal File Ops966715
+Ref: Using Internal File Ops-Footnote-1969068
+Node: Extension Samples969334
+Node: Extension Sample File Functions970858
+Node: Extension Sample Fnmatch979331
+Node: Extension Sample Fork981057
+Node: Extension Sample Inplace982275
+Node: Extension Sample Ord984067
+Node: Extension Sample Readdir984846
+Node: Extension Sample Revout986350
+Node: Extension Sample Rev2way986943
+Node: Extension Sample Read write array987633
+Node: Extension Sample Readfile989516
+Node: Extension Sample API Tests990273
+Node: Extension Sample Time990798
+Node: gawkextlib992105
+Node: Language History994486
+Node: V7/SVR3.1996008
+Node: SVR4998329
+Node: POSIX999771
+Node: BTL1000779
+Node: POSIX/GNU1001584
+Node: Common Extensions1007119
+Node: Ranges and Locales1008226
+Ref: Ranges and Locales-Footnote-11012844
+Ref: Ranges and Locales-Footnote-21012871
+Ref: Ranges and Locales-Footnote-31013131
+Node: Contributors1013352
+Node: Installation1017648
+Node: Gawk Distribution1018542
+Node: Getting1019026
+Node: Extracting1019852
+Node: Distribution contents1021544
+Node: Unix Installation1026805
+Node: Quick Installation1027422
+Node: Additional Configuration Options1029384
+Node: Configuration Philosophy1030861
+Node: Non-Unix Installation1033203
+Node: PC Installation1033661
+Node: PC Binary Installation1034960
+Node: PC Compiling1036808
+Node: PC Testing1039752
+Node: PC Using1040928
+Node: Cygwin1045113
+Node: MSYS1046113
+Node: VMS Installation1046627
+Node: VMS Compilation1047230
+Ref: VMS Compilation-Footnote-11048237
+Node: VMS Installation Details1048295
+Node: VMS Running1049930
+Node: VMS Old Gawk1051537
+Node: Bugs1052011
+Node: Other Versions1055863
+Node: Notes1061193
+Node: Compatibility Mode1061993
+Node: Additions1062776
+Node: Accessing The Source1063703
+Node: Adding Code1065306
+Node: New Ports1071348
+Node: Derived Files1075483
+Ref: Derived Files-Footnote-11080804
+Ref: Derived Files-Footnote-21080838
+Ref: Derived Files-Footnote-31081438
+Node: Future Extensions1081536
+Node: Implementation Limitations1082117
+Node: Extension Design1083369
+Node: Old Extension Problems1084518
+Ref: Old Extension Problems-Footnote-11086026
+Node: Extension New Mechanism Goals1086083
+Ref: Extension New Mechanism Goals-Footnote-11089442
+Node: Extension Other Design Decisions1089628
+Node: Extension Future Growth1091734
+Node: Old Extension Mechansim1092555
+Node: Basic Concepts1094312
+Node: Basic High Level1094993
+Ref: figure-general-flow1095264
+Ref: figure-process-flow1095863
+Ref: Basic High Level-Footnote-11099092
+Node: Basic Data Typing1099277
+Node: Glossary1102632
+Node: Copying1127943
+Node: GNU Free Documentation License1165500
+Node: Index1190637
 
 End Tag Table
diff --git a/doc/gawk.texi b/doc/gawk.texi
index 38f4855f..2cf38283 100644
--- a/doc/gawk.texi
+++ b/doc/gawk.texi
@@ -7562,7 +7562,7 @@ in the @code{PROCINFO} array:
 PROCINFO["input_name", "READ_TIMEOUT"] = @var{timeout in milliseconds}
 @end example
 
-When set, this will cause @command{gawk} to time out and return failure
+When set, this causes @command{gawk} to time out and return failure
 if no data is available to read within the specified timeout period.
 For example, a TCP client can decide to give up on receiving
 any response from the server after a certain amount of time:
@@ -8807,7 +8807,7 @@ to confusing results.
 
 Finally, using the @code{close()} function on a @value{FN} of the
 form @code{"/dev/fd/@var{N}"}, for file descriptor numbers
-above two, will actually close the given file descriptor.
+above two, does actually close the given file descriptor.
 
 The @file{/dev/stdin}, @file{/dev/stdout}, and @file{/dev/stderr}
 special files are also recognized internally by several other
@@ -37476,3 +37476,4 @@ Suggestions:
 %	1. Standardize the error messages from the functions and programs
 %	   in the two sample code chapters.
 %	2. Nuke the BBS stuff and use something that won't be obsolete
+%	3. Turn the advanced notes into sidebars by using @cartouche