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[gawk-diffs] [SCM] gawk branch, gawk-4.2-stable, updated. gawk-4.1.0-297


From: Arnold Robbins
Subject: [gawk-diffs] [SCM] gawk branch, gawk-4.2-stable, updated. gawk-4.1.0-2977-gb92de42
Date: Thu, 31 May 2018 10:33:52 -0400 (EDT)

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "gawk".

The branch, gawk-4.2-stable has been updated
       via  b92de42c775ab615e2dd49aff0b66da4c2c31be4 (commit)
      from  f006165d77037b99e205496d8b79cb80e9f280c0 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
http://git.sv.gnu.org/cgit/gawk.git/commit/?id=b92de42c775ab615e2dd49aff0b66da4c2c31be4

commit b92de42c775ab615e2dd49aff0b66da4c2c31be4
Author: Arnold D. Robbins <address@hidden>
Date:   Thu May 31 17:33:35 2018 +0300

    Improve description of gensub().

diff --git a/doc/ChangeLog b/doc/ChangeLog
index 4b2fad9..4d1e5a9 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,5 +1,11 @@
 2018-05-31         Arnold D. Robbins     <address@hidden>
 
+       * gawktexi.in (String Functions): Clean up and clarify the
+       prose description of gensub(). Thanks to Andrew Schorr
+       for the encouragement (back in 2016...).
+
+2018-05-31         Arnold D. Robbins     <address@hidden>
+
        * gawktexi.in (Extract Program): Additional bug fixes. Close
        the last file processed, and use the index of the for loop
        which is the filename as the argument to close()!
diff --git a/doc/gawk.info b/doc/gawk.info
index 14d4a7e..0856e90 100644
--- a/doc/gawk.info
+++ b/doc/gawk.info
@@ -12633,10 +12633,11 @@ Options::):
      Search the target string TARGET for matches of the regular
      expression REGEXP.  If HOW is a string beginning with 'g' or 'G'
      (short for "global"), then replace all matches of REGEXP with
-     REPLACEMENT.  Otherwise, HOW is treated as a number indicating
-     which match of REGEXP to replace.  If no TARGET is supplied, use
-     '$0'.  It returns the modified string as the result of the function
-     and the original target string is _not_ changed.
+     REPLACEMENT.  Otherwise, treat HOW as a number indicating which
+     match of REGEXP to replace.  Treat numeric values less than one as
+     if they were one.  If no TARGET is supplied, use '$0'.  Return the
+     modified string as the result of the function.  The original target
+     string is _not_ changed.
 
      'gensub()' is a general substitution function.  Its purpose is to
      provide more features than the standard 'sub()' and 'gsub()'
@@ -32925,7 +32926,7 @@ Index
 * * (asterisk), * operator, as regexp operator: Regexp Operators.
                                                               (line  89)
 * * (asterisk), * operator, null strings, matching: String Functions.
-                                                              (line 539)
+                                                              (line 540)
 * * (asterisk), ** operator:             Arithmetic Ops.      (line  81)
 * * (asterisk), ** operator <1>:         Precedence.          (line  48)
 * * (asterisk), **= operator:            Assignment Ops.      (line 129)
@@ -33259,7 +33260,7 @@ Index
                                                               (line   6)
 * array scanning order, controlling:     Controlling Scanning.
                                                               (line  14)
-* array, number of elements:             String Functions.    (line 200)
+* array, number of elements:             String Functions.    (line 201)
 * arrays:                                Arrays.              (line   6)
 * arrays of arrays:                      Arrays of Arrays.    (line   6)
 * arrays, an example of using:           Array Example.       (line   6)
@@ -33324,7 +33325,7 @@ Index
 * asterisk (*), * operator, as regexp operator: Regexp Operators.
                                                               (line  89)
 * asterisk (*), * operator, null strings, matching: String Functions.
-                                                              (line 539)
+                                                              (line 540)
 * asterisk (*), ** operator:             Arithmetic Ops.      (line  81)
 * asterisk (*), ** operator <1>:         Precedence.          (line  48)
 * asterisk (*), **= operator:            Assignment Ops.      (line 129)
@@ -33547,7 +33548,7 @@ Index
 * Brian Kernighan's awk <8>:             Continue Statement.  (line  44)
 * Brian Kernighan's awk <9>:             Nextfile Statement.  (line  47)
 * Brian Kernighan's awk <10>:            Delete.              (line  51)
-* Brian Kernighan's awk <11>:            String Functions.    (line 495)
+* Brian Kernighan's awk <11>:            String Functions.    (line 496)
 * Brian Kernighan's awk <12>:            Gory Details.        (line  19)
 * Brian Kernighan's awk <13>:            I/O Functions.       (line  43)
 * Brian Kernighan's awk, extensions:     BTL.                 (line   6)
@@ -33590,7 +33591,7 @@ Index
 * case sensitivity, and regexps:         User-modified.       (line  79)
 * case sensitivity, and string comparisons: User-modified.    (line  79)
 * case sensitivity, array indices and:   Array Intro.         (line 100)
-* case sensitivity, converting case:     String Functions.    (line 525)
+* case sensitivity, converting case:     String Functions.    (line 526)
 * case sensitivity, example programs:    Library Functions.   (line  53)
 * case sensitivity, gawk:                Case-sensitivity.    (line  26)
 * case sensitivity, regexps and:         Case-sensitivity.    (line   6)
@@ -33671,7 +33672,7 @@ Index
 * common extensions, delete to delete entire arrays: Delete.  (line  39)
 * common extensions, func keyword:       Definition Syntax.   (line  99)
 * common extensions, length() applied to an array: String Functions.
-                                                              (line 200)
+                                                              (line 201)
 * common extensions, RS as a regexp:     gawk split records.  (line   6)
 * common extensions, single character fields: Single Character Fields.
                                                               (line   6)
@@ -33724,9 +33725,9 @@ Index
 * control statements:                    Statements.          (line   6)
 * controlling array scanning order:      Controlling Scanning.
                                                               (line  14)
-* convert string to lower case:          String Functions.    (line 526)
-* convert string to number:              String Functions.    (line 393)
-* convert string to upper case:          String Functions.    (line 532)
+* convert string to lower case:          String Functions.    (line 527)
+* convert string to number:              String Functions.    (line 394)
+* convert string to upper case:          String Functions.    (line 533)
 * converting integer array subscripts:   Numeric Array Subscripts.
                                                               (line  31)
 * converting, dates to timestamps:       Time Functions.      (line  78)
@@ -33794,7 +33795,7 @@ Index
                                                               (line  20)
 * dark corner, input files:              awk split records.   (line 110)
 * dark corner, invoking awk:             Command Line.        (line  16)
-* dark corner, length() function:        String Functions.    (line 186)
+* dark corner, length() function:        String Functions.    (line 187)
 * dark corner, locale's decimal point character: Locale influences conversions.
                                                               (line  17)
 * dark corner, multiline records:        Multiple Line.       (line  35)
@@ -33802,14 +33803,14 @@ Index
 * dark corner, OFMT variable:            OFMT.                (line  27)
 * dark corner, range patterns, line continuation and: Ranges. (line  64)
 * dark corner, regexp as second argument to index(): String Functions.
-                                                              (line 164)
+                                                              (line 165)
 * dark corner, regexp constants:         Standard Regexp Constants.
                                                               (line   6)
 * dark corner, regexp constants, /= operator and: Assignment Ops.
                                                               (line 149)
 * dark corner, regexp constants, as arguments to user-defined functions: 
Standard Regexp Constants.
                                                               (line  43)
-* dark corner, split() function:         String Functions.    (line 363)
+* dark corner, split() function:         String Functions.    (line 364)
 * dark corner, strings, storing:         gawk split records.  (line  82)
 * dark corner, value of ARGV[0]:         Auto-set.            (line  39)
 * dark corner, ^, in FS:                 Regexp Field Splitting.
@@ -33957,7 +33958,7 @@ Index
 * deleting entire arrays:                Delete.              (line  39)
 * Demaille, Akim:                        Acknowledgments.     (line  60)
 * describe call stack frame, in debugger: Debugger Info.      (line  27)
-* differences between gawk and awk:      String Functions.    (line 200)
+* differences between gawk and awk:      String Functions.    (line 201)
 * differences in awk and gawk, ARGC/ARGV variables: ARGC and ARGV.
                                                               (line  89)
 * differences in awk and gawk, ARGIND variable: Auto-set.     (line  44)
@@ -34006,7 +34007,7 @@ Index
                                                               (line  34)
 * differences in awk and gawk, LINT variable: User-modified.  (line  90)
 * differences in awk and gawk, match() function: String Functions.
-                                                              (line 262)
+                                                              (line 263)
 * differences in awk and gawk, print/printf statements: Format Modifiers.
                                                               (line  13)
 * differences in awk and gawk, PROCINFO array: Auto-set.      (line 148)
@@ -34025,7 +34026,7 @@ Index
 * differences in awk and gawk, single-character fields: Single Character 
Fields.
                                                               (line   6)
 * differences in awk and gawk, split() function: String Functions.
-                                                              (line 350)
+                                                              (line 351)
 * differences in awk and gawk, strings:  Scalar Constants.    (line  20)
 * differences in awk and gawk, strings, storing: gawk split records.
                                                               (line  76)
@@ -34213,7 +34214,7 @@ Index
 * extensions, common, fflush() function: I/O Functions.       (line  43)
 * extensions, common, func keyword:      Definition Syntax.   (line  99)
 * extensions, common, length() applied to an array: String Functions.
-                                                              (line 200)
+                                                              (line 201)
 * extensions, common, RS as a regexp:    gawk split records.  (line   6)
 * extensions, common, single character fields: Single Character Fields.
                                                               (line   6)
@@ -34329,7 +34330,7 @@ Index
 * 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)
+* find substring in string:              String Functions.    (line 156)
 * finding extensions:                    Finding Extensions.  (line   6)
 * finish debugger command:               Debugger Execution Control.
                                                               (line  39)
@@ -34366,7 +34367,7 @@ Index
 * format time string:                    Time Functions.      (line  50)
 * formats, numeric output:               OFMT.                (line   6)
 * formatting output:                     Printf.              (line   6)
-* formatting strings:                    String Functions.    (line 386)
+* formatting strings:                    String Functions.    (line 387)
 * forward slash (/) to enclose regular expressions: Regexp.   (line  10)
 * forward slash (/), / operator:         Precedence.          (line  54)
 * forward slash (/), /= operator:        Assignment Ops.      (line 129)
@@ -34639,8 +34640,8 @@ Index
 * groups, information about:             Group Functions.     (line   6)
 * gsub:                                  Standard Regexp Constants.
                                                               (line  43)
-* gsub <1>:                              String Functions.    (line 139)
-* gsub() function, arguments of:         String Functions.    (line 465)
+* gsub <1>:                              String Functions.    (line 140)
+* gsub() function, arguments of:         String Functions.    (line 466)
 * gsub() function, escape processing:    Gory Details.        (line   6)
 * Guerrero, Juan Manuel:                 Acknowledgments.     (line  60)
 * Guerrero, Juan Manuel <1>:             Contributors.        (line 150)
@@ -34704,7 +34705,7 @@ Index
 * in operator, use in loops:             Scanning an Array.   (line  17)
 * including files, @include directive:   Include Files.       (line   8)
 * increment operators:                   Increment Ops.       (line   6)
-* index:                                 String Functions.    (line 155)
+* index:                                 String Functions.    (line 156)
 * indexing arrays:                       Array Intro.         (line  48)
 * indirect function calls:               Indirect Calls.      (line   6)
 * indirect function calls, @-notation:   Indirect Calls.      (line  47)
@@ -34724,7 +34725,7 @@ Index
 * input files, running awk without <1>:  Read Terminal.       (line  16)
 * input files, variable assignments and: Other Arguments.     (line  26)
 * input pipeline:                        Getline/Pipe.        (line  10)
-* input record, length of:               String Functions.    (line 177)
+* input record, length of:               String Functions.    (line 178)
 * input redirection:                     Getline/File.        (line   6)
 * input, data, nondecimal:               Nondecimal Data.     (line   6)
 * input, explicit:                       Getline.             (line   6)
@@ -34826,9 +34827,9 @@ Index
 * left shift:                            Bitwise Functions.   (line  47)
 * left shift, bitwise:                   Bitwise Functions.   (line  32)
 * leftmost longest match:                Multiple Line.       (line  26)
-* length:                                String Functions.    (line 170)
-* length of input record:                String Functions.    (line 177)
-* length of string:                      String Functions.    (line 170)
+* length:                                String Functions.    (line 171)
+* length of input record:                String Functions.    (line 178)
+* length of string:                      String Functions.    (line 171)
 * Lesser General Public License (LGPL):  Glossary.            (line 489)
 * LGPL (Lesser General Public License):  Glossary.            (line 489)
 * libmawk:                               Other Versions.      (line 130)
@@ -34923,14 +34924,14 @@ Index
                                                               (line   6)
 * marked strings, extracting:            String Extraction.   (line   6)
 * Marx, Groucho:                         Increment Ops.       (line  60)
-* match:                                 String Functions.    (line 210)
-* match regexp in string:                String Functions.    (line 210)
+* match:                                 String Functions.    (line 211)
+* match regexp in string:                String Functions.    (line 211)
 * match() function, RSTART/RLENGTH variables: String Functions.
-                                                              (line 227)
+                                                              (line 228)
 * matching, expressions, See comparison expressions: Typing and Comparison.
                                                               (line   9)
 * matching, leftmost longest:            Multiple Line.       (line  26)
-* matching, null strings:                String Functions.    (line 539)
+* matching, null strings:                String Functions.    (line 540)
 * mawk utility:                          Escape Sequences.    (line 121)
 * mawk utility <1>:                      Getline/Pipe.        (line  62)
 * mawk utility <2>:                      Concatenation.       (line  36)
@@ -35020,9 +35021,9 @@ Index
                                                               (line  43)
 * null strings, converting numbers to strings: Strings And Numbers.
                                                               (line  21)
-* null strings, matching:                String Functions.    (line 539)
+* null strings, matching:                String Functions.    (line 540)
 * number as string of bits:              Bitwise Functions.   (line 109)
-* number of array elements:              String Functions.    (line 200)
+* number of array elements:              String Functions.    (line 201)
 * number sign (#), #! (executable scripts): Executable Scripts.
                                                               (line   6)
 * number sign (#), commenting:           Comments.            (line   6)
@@ -35132,7 +35133,7 @@ Index
 * parentheses (), in a profile:          Profiling.           (line 146)
 * parentheses (), regexp operator:       Regexp Operators.    (line  81)
 * password file:                         Passwd Functions.    (line  16)
-* patsplit:                              String Functions.    (line 296)
+* patsplit:                              String Functions.    (line 297)
 * patterns:                              Patterns and Actions.
                                                               (line   6)
 * patterns, comparison expressions as:   Expression Patterns. (line  14)
@@ -35190,7 +35191,7 @@ Index
 * portability, gawk:                     New Ports.           (line   6)
 * portability, gettext library and:      Explaining gettext.  (line  11)
 * portability, internationalization and: I18N Portability.    (line   6)
-* portability, length() function:        String Functions.    (line 179)
+* portability, length() function:        String Functions.    (line 180)
 * portability, new awk vs. old awk:      Strings And Numbers. (line  56)
 * portability, next statement in user-defined functions: Pass By 
Value/Reference.
                                                               (line  88)
@@ -35198,7 +35199,7 @@ Index
 * portability, operators:                Increment Ops.       (line  60)
 * portability, operators, not in POSIX awk: Precedence.       (line  97)
 * portability, POSIXLY_CORRECT environment variable: Options. (line 376)
-* portability, substr() function:        String Functions.    (line 515)
+* portability, substr() function:        String Functions.    (line 516)
 * portable object files:                 Explaining gettext.  (line  37)
 * portable object files <1>:             Translator i18n.     (line   6)
 * portable object files, converting to message object files: I18N Example.
@@ -35233,7 +35234,7 @@ Index
 * POSIX awk, field separators and:       Full Line Fields.    (line  16)
 * POSIX awk, function keyword in:        Definition Syntax.   (line  99)
 * POSIX awk, functions and, gsub()/sub(): Gory Details.       (line  90)
-* POSIX awk, functions and, length():    String Functions.    (line 179)
+* POSIX awk, functions and, length():    String Functions.    (line 180)
 * POSIX awk, GNU long options and:       Options.             (line  15)
 * POSIX awk, interval expressions in:    Regexp Operators.    (line 135)
 * POSIX awk, next/nextfile statements and: Next Statement.    (line  44)
@@ -35450,7 +35451,7 @@ Index
 * regular expressions, searching for:    Egrep Program.       (line   6)
 * relational operators, See comparison operators: Typing and Comparison.
                                                               (line   9)
-* replace in string:                     String Functions.    (line 411)
+* replace in string:                     String Functions.    (line 412)
 * retrying input:                        Retrying Input.      (line   6)
 * return debugger command:               Debugger Execution Control.
                                                               (line  54)
@@ -35476,7 +35477,7 @@ Index
 * right shift, bitwise:                  Bitwise Functions.   (line  32)
 * Ritchie, Dennis:                       Basic Data Typing.   (line  54)
 * RLENGTH variable:                      Auto-set.            (line 314)
-* RLENGTH variable, match() function and: String Functions.   (line 227)
+* RLENGTH variable, match() function and: String Functions.   (line 228)
 * Robbins, Arnold:                       Command Line Field Separator.
                                                               (line  71)
 * Robbins, Arnold <1>:                   Getline/Pipe.        (line  40)
@@ -35504,7 +35505,7 @@ Index
 * RS variable, multiline records and:    Multiple Line.       (line  17)
 * rshift:                                Bitwise Functions.   (line  54)
 * RSTART variable:                       Auto-set.            (line 320)
-* RSTART variable, match() function and: String Functions.    (line 227)
+* RSTART variable, match() function and: String Functions.    (line 228)
 * RT variable:                           awk split records.   (line 124)
 * RT variable <1>:                       Multiple Line.       (line 130)
 * RT variable <2>:                       Auto-set.            (line 327)
@@ -35530,7 +35531,7 @@ Index
 * Schreiber, Bert:                       Acknowledgments.     (line  38)
 * Schreiber, Rita:                       Acknowledgments.     (line  38)
 * search and replace in strings:         String Functions.    (line  89)
-* search in string:                      String Functions.    (line 155)
+* search in string:                      String Functions.    (line 156)
 * search paths:                          Programs Exercises.  (line  70)
 * search paths <1>:                      PC Using.            (line  13)
 * search paths <2>:                      VMS Running.         (line  57)
@@ -35620,7 +35621,7 @@ Index
                                                               (line  37)
 * sidebar, Interactive Versus Noninteractive Buffering: I/O Functions.
                                                               (line  74)
-* sidebar, Matching the Null String:     String Functions.    (line 537)
+* sidebar, Matching the Null String:     String Functions.    (line 538)
 * sidebar, Operator Evaluation Order:    Increment Ops.       (line  58)
 * sidebar, Piping into sh:               Redirection.         (line 134)
 * sidebar, Pre-POSIX awk Used OFMT for String Conversion: Strings And Numbers.
@@ -35692,13 +35693,13 @@ Index
 * source files, search path for:         Programs Exercises.  (line  70)
 * sparse arrays:                         Array Intro.         (line  76)
 * Spencer, Henry:                        Glossary.            (line  16)
-* split:                                 String Functions.    (line 317)
-* split string into array:               String Functions.    (line 296)
+* split:                                 String Functions.    (line 318)
+* split string into array:               String Functions.    (line 297)
 * split utility:                         Split Program.       (line   6)
 * split() function, array elements, deleting: Delete.         (line  61)
 * split.awk program:                     Split Program.       (line  30)
 * sprintf:                               OFMT.                (line  15)
-* sprintf <1>:                           String Functions.    (line 386)
+* sprintf <1>:                           String Functions.    (line 387)
 * sprintf() function, OFMT variable and: User-modified.       (line 116)
 * sprintf() function, print/printf statements and: Round Function.
                                                               (line   6)
@@ -35734,16 +35735,16 @@ Index
 * string constants, vs. regexp constants: Computed Regexps.   (line  40)
 * string extraction (internationalization): String Extraction.
                                                               (line   6)
-* string length:                         String Functions.    (line 170)
+* string length:                         String Functions.    (line 171)
 * string operators:                      Concatenation.       (line   9)
-* string, regular expression match:      String Functions.    (line 210)
+* string, regular expression match:      String Functions.    (line 211)
 * string-manipulation functions:         String Functions.    (line   6)
 * string-matching operators:             Regexp Usage.        (line  19)
 * string-translation functions:          I18N Functions.      (line   6)
-* strings splitting, example:            String Functions.    (line 336)
+* strings splitting, example:            String Functions.    (line 337)
 * strings, converting:                   Strings And Numbers. (line   6)
 * strings, converting <1>:               Bitwise Functions.   (line 109)
-* strings, converting letter case:       String Functions.    (line 525)
+* strings, converting letter case:       String Functions.    (line 526)
 * strings, converting, numbers to:       User-modified.       (line  30)
 * strings, converting, numbers to <1>:   User-modified.       (line 107)
 * strings, empty, See null strings:      awk split records.   (line 114)
@@ -35754,13 +35755,13 @@ Index
 * strings, null:                         Regexp Field Splitting.
                                                               (line  43)
 * strings, numeric:                      Variable Typing.     (line  67)
-* strtonum:                              String Functions.    (line 393)
+* strtonum:                              String Functions.    (line 394)
 * strtonum() function (gawk), --non-decimal-data option and: Nondecimal Data.
                                                               (line  35)
 * sub:                                   Standard Regexp Constants.
                                                               (line  43)
-* sub <1>:                               String Functions.    (line 411)
-* sub() function, arguments of:          String Functions.    (line 465)
+* sub <1>:                               String Functions.    (line 412)
+* sub() function, arguments of:          String Functions.    (line 466)
 * sub() function, escape processing:     Gory Details.        (line   6)
 * subscript separators:                  User-modified.       (line 149)
 * subscripts in arrays, multidimensional: Multidimensional.   (line  10)
@@ -35774,8 +35775,8 @@ Index
 * SUBSEP variable, and multidimensional arrays: Multidimensional.
                                                               (line  16)
 * substitute in string:                  String Functions.    (line  89)
-* substr:                                String Functions.    (line 484)
-* substring:                             String Functions.    (line 484)
+* substr:                                String Functions.    (line 485)
+* substring:                             String Functions.    (line 485)
 * Sumner, Andrew:                        Other Versions.      (line  73)
 * supplementary groups of gawk process:  Auto-set.            (line 271)
 * switch statement:                      Switch Statement.    (line   6)
@@ -35835,8 +35836,8 @@ Index
 * timestamps, converting dates to:       Time Functions.      (line  78)
 * timestamps, formatted:                 Getlocaltime Function.
                                                               (line   6)
-* tolower:                               String Functions.    (line 526)
-* toupper:                               String Functions.    (line 532)
+* tolower:                               String Functions.    (line 527)
+* toupper:                               String Functions.    (line 533)
 * tr utility:                            Translate Program.   (line   6)
 * trace debugger command:                Miscellaneous Debugger Commands.
                                                               (line 108)
@@ -35862,8 +35863,8 @@ Index
 * troubleshooting, gawk, fatal errors, function arguments: Calling Built-in.
                                                               (line  16)
 * troubleshooting, getline function:     File Checking.       (line  25)
-* troubleshooting, gsub()/sub() functions: String Functions.  (line 475)
-* troubleshooting, match() function:     String Functions.    (line 291)
+* troubleshooting, gsub()/sub() functions: String Functions.  (line 476)
+* troubleshooting, match() function:     String Functions.    (line 292)
 * troubleshooting, print statement, omitting commas: Print Examples.
                                                               (line  30)
 * troubleshooting, printing:             Redirection.         (line 112)
@@ -35872,7 +35873,7 @@ Index
 * troubleshooting, regexp constants vs. string constants: Computed Regexps.
                                                               (line  40)
 * troubleshooting, string concatenation: Concatenation.       (line  27)
-* troubleshooting, substr() function:    String Functions.    (line 502)
+* troubleshooting, substr() function:    String Functions.    (line 503)
 * troubleshooting, system() function:    I/O Functions.       (line 128)
 * troubleshooting, typographical errors, global variables: Options.
                                                               (line  99)
@@ -36274,339 +36275,339 @@ Ref: Numeric Functions-Footnote-1532480
 Ref: Numeric Functions-Footnote-2532837
 Ref: Numeric Functions-Footnote-3532885
 Node: String Functions533157
-Ref: String Functions-Footnote-1556815
-Ref: String Functions-Footnote-2556943
-Ref: String Functions-Footnote-3557191
-Node: Gory Details557278
-Ref: table-sub-escapes559069
-Ref: table-sub-proposed560588
-Ref: table-posix-sub561951
-Ref: table-gensub-escapes563492
-Ref: Gory Details-Footnote-1564315
-Node: I/O Functions564469
-Ref: table-system-return-values570937
-Ref: I/O Functions-Footnote-1572917
-Ref: I/O Functions-Footnote-2573065
-Node: Time Functions573185
-Ref: Time Functions-Footnote-1583856
-Ref: Time Functions-Footnote-2583924
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-Ref: Time Functions-Footnote-6584532
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-Node: I18N Functions594570
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-Node: Definition Syntax597026
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-Node: Calling A Function606246
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-Node: Strtonum Function639484
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-Node: Round Function645832
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-Node: Readfile Function657625
-Node: Shell Quoting659602
-Node: Data File Management661003
-Node: Filetrans Function661635
-Node: Rewind Function665731
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-Node: Alarm Program751633
-Node: Translate Program756488
-Ref: Translate Program-Footnote-1761053
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-Node: History Sorting768830
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-Ref: Programs Exercises-Footnote-1806281
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-Node: Nondecimal Data808362
-Node: Array Sorting809953
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-Node: Explaining gettext847371
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-Node: I18N Summary869516
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-Node: Sample Debugging Session877611
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-Node: Finding The Bug879531
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-Node: Debugger Execution Control891036
-Node: Viewing And Changing Data894398
-Node: Execution Stack897772
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-Node: Errors accumulate929870
-Node: Getting Accuracy931303
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-Node: Setting the rounding mode937439
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-Ref: Arbitrary Precision Integers-Footnote-1945098
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-Node: POSIX Floating Point Problems946721
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-Node: Dynamic Extensions952820
-Node: Extension Intro954373
-Node: Plugin License955639
-Node: Extension Mechanism Outline956436
-Ref: figure-load-extension956875
-Ref: figure-register-new-function958440
-Ref: figure-call-new-function959532
-Node: Extension API Description961594
-Node: Extension API Functions Introduction963236
-Node: General Data Types968776
-Ref: General Data Types-Footnote-1977137
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-Node: Constructor Functions981745
-Node: Registration Functions985331
-Node: Extension Functions986016
-Node: Exit Callback Functions991231
-Node: Extension Version String992481
-Node: Input Parsers993144
-Node: Output Wrappers1005865
-Node: Two-way processors1010377
-Node: Printing Messages1012642
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-Node: Updating ERRNO1013966
-Node: Requesting Values1014705
-Ref: table-value-types-returned1015442
-Node: Accessing Parameters1016378
-Node: Symbol Table Access1017613
-Node: Symbol table by name1018125
-Node: Symbol table by cookie1019914
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-Ref: Array Manipulation-Footnote-11028943
-Node: Array Data Types1028980
-Ref: Array Data Types-Footnote-11031638
-Node: Array Functions1031730
-Node: Flattening Arrays1036228
-Node: Creating Arrays1043204
-Node: Redirection API1047971
-Node: Extension API Variables1050804
-Node: Extension Versioning1051515
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-Node: Extension GMP/MPFR Versioning1053675
-Node: Extension API Informational Variables1055303
-Node: Extension API Boilerplate1056376
-Node: Changes from API V11060350
-Node: Finding Extensions1061922
-Node: Extension Example1062481
-Node: Internal File Description1063279
-Node: Internal File Ops1067359
-Ref: Internal File Ops-Footnote-11078709
-Node: Using Internal File Ops1078849
-Ref: Using Internal File Ops-Footnote-11081232
-Node: Extension Samples1081506
-Node: Extension Sample File Functions1083035
-Node: Extension Sample Fnmatch1090684
-Node: Extension Sample Fork1092171
-Node: Extension Sample Inplace1093389
-Node: Extension Sample Ord1096606
-Node: Extension Sample Readdir1097442
-Ref: table-readdir-file-types1098331
-Node: Extension Sample Revout1099136
-Node: Extension Sample Rev2way1099725
-Node: Extension Sample Read write array1100465
-Node: Extension Sample Readfile1102407
-Node: Extension Sample Time1103502
-Node: Extension Sample API Tests1104850
-Node: gawkextlib1105342
-Node: Extension summary1108260
-Node: Extension Exercises1111962
-Node: Language History1113460
-Node: V7/SVR3.11115116
-Node: SVR41117268
-Node: POSIX1118702
-Node: BTL1120082
-Node: POSIX/GNU1120811
-Node: Feature History1126589
-Node: Common Extensions1142448
-Node: Ranges and Locales1143731
-Ref: Ranges and Locales-Footnote-11148347
-Ref: Ranges and Locales-Footnote-21148374
-Ref: Ranges and Locales-Footnote-31148609
-Node: Contributors1148830
-Node: History summary1154775
-Node: Installation1156155
-Node: Gawk Distribution1157099
-Node: Getting1157583
-Node: Extracting1158546
-Node: Distribution contents1160184
-Node: Unix Installation1166664
-Node: Quick Installation1167346
-Node: Shell Startup Files1169760
-Node: Additional Configuration Options1170849
-Node: Configuration Philosophy1173142
-Node: Non-Unix Installation1175511
-Node: PC Installation1175971
-Node: PC Binary Installation1176809
-Node: PC Compiling1177244
-Node: PC Using1178361
-Node: Cygwin1181576
-Node: MSYS1182675
-Node: VMS Installation1183176
-Node: VMS Compilation1183967
-Ref: VMS Compilation-Footnote-11185196
-Node: VMS Dynamic Extensions1185254
-Node: VMS Installation Details1186939
-Node: VMS Running1189192
-Node: VMS GNV1193471
-Node: VMS Old Gawk1194206
-Node: Bugs1194677
-Node: Bug address1195340
-Node: Usenet1198132
-Node: Maintainers1198909
-Node: Other Versions1200170
-Node: Installation summary1206932
-Node: Notes1208134
-Node: Compatibility Mode1208999
-Node: Additions1209781
-Node: Accessing The Source1210706
-Node: Adding Code1212143
-Node: New Ports1218362
-Node: Derived Files1222850
-Ref: Derived Files-Footnote-11228496
-Ref: Derived Files-Footnote-21228531
-Ref: Derived Files-Footnote-31229129
-Node: Future Extensions1229243
-Node: Implementation Limitations1229901
-Node: Extension Design1231084
-Node: Old Extension Problems1232238
-Ref: Old Extension Problems-Footnote-11233756
-Node: Extension New Mechanism Goals1233813
-Ref: Extension New Mechanism Goals-Footnote-11237177
-Node: Extension Other Design Decisions1237366
-Node: Extension Future Growth1239479
-Node: Old Extension Mechanism1240315
-Node: Notes summary1242078
-Node: Basic Concepts1243260
-Node: Basic High Level1243941
-Ref: figure-general-flow1244223
-Ref: figure-process-flow1244908
-Ref: Basic High Level-Footnote-11248209
-Node: Basic Data Typing1248394
-Node: Glossary1251722
-Node: Copying1283560
-Node: GNU Free Documentation License1321103
-Node: Index1346223
+Ref: String Functions-Footnote-1556866
+Ref: String Functions-Footnote-2556994
+Ref: String Functions-Footnote-3557242
+Node: Gory Details557329
+Ref: table-sub-escapes559120
+Ref: table-sub-proposed560639
+Ref: table-posix-sub562002
+Ref: table-gensub-escapes563543
+Ref: Gory Details-Footnote-1564366
+Node: I/O Functions564520
+Ref: table-system-return-values570988
+Ref: I/O Functions-Footnote-1572968
+Ref: I/O Functions-Footnote-2573116
+Node: Time Functions573236
+Ref: Time Functions-Footnote-1583907
+Ref: Time Functions-Footnote-2583975
+Ref: Time Functions-Footnote-3584133
+Ref: Time Functions-Footnote-4584244
+Ref: Time Functions-Footnote-5584356
+Ref: Time Functions-Footnote-6584583
+Node: Bitwise Functions584849
+Ref: table-bitwise-ops585443
+Ref: Bitwise Functions-Footnote-1591506
+Ref: Bitwise Functions-Footnote-2591679
+Node: Type Functions591870
+Node: I18N Functions594621
+Node: User-defined596272
+Node: Definition Syntax597077
+Ref: Definition Syntax-Footnote-1602764
+Node: Function Example602835
+Ref: Function Example-Footnote-1605757
+Node: Function Caveats605779
+Node: Calling A Function606297
+Node: Variable Scope607255
+Node: Pass By Value/Reference610249
+Node: Return Statement613748
+Node: Dynamic Typing616727
+Node: Indirect Calls617657
+Ref: Indirect Calls-Footnote-1627909
+Node: Functions Summary628037
+Node: Library Functions630742
+Ref: Library Functions-Footnote-1634349
+Ref: Library Functions-Footnote-2634492
+Node: Library Names634663
+Ref: Library Names-Footnote-1638123
+Ref: Library Names-Footnote-2638346
+Node: General Functions638432
+Node: Strtonum Function639535
+Node: Assert Function642557
+Node: Round Function645883
+Node: Cliff Random Function647423
+Node: Ordinal Functions648439
+Ref: Ordinal Functions-Footnote-1651502
+Ref: Ordinal Functions-Footnote-2651754
+Node: Join Function651964
+Ref: Join Function-Footnote-1653734
+Node: Getlocaltime Function653934
+Node: Readfile Function657676
+Node: Shell Quoting659653
+Node: Data File Management661054
+Node: Filetrans Function661686
+Node: Rewind Function665782
+Node: File Checking667692
+Ref: File Checking-Footnote-1669026
+Node: Empty Files669227
+Node: Ignoring Assigns671206
+Node: Getopt Function672756
+Ref: Getopt Function-Footnote-1684225
+Node: Passwd Functions684425
+Ref: Passwd Functions-Footnote-1693264
+Node: Group Functions693352
+Ref: Group Functions-Footnote-1701250
+Node: Walking Arrays701457
+Node: Library Functions Summary704465
+Node: Library Exercises705871
+Node: Sample Programs706336
+Node: Running Examples707106
+Node: Clones707834
+Node: Cut Program709058
+Node: Egrep Program718987
+Ref: Egrep Program-Footnote-1726499
+Node: Id Program726609
+Node: Split Program730289
+Ref: Split Program-Footnote-1733747
+Node: Tee Program733876
+Node: Uniq Program736666
+Node: Wc Program744092
+Ref: Wc Program-Footnote-1748347
+Node: Miscellaneous Programs748441
+Node: Dupword Program749654
+Node: Alarm Program751684
+Node: Translate Program756539
+Ref: Translate Program-Footnote-1761104
+Node: Labels Program761374
+Ref: Labels Program-Footnote-1764725
+Node: Word Sorting764809
+Node: History Sorting768881
+Node: Extract Program770716
+Node: Simple Sed778836
+Node: Igawk Program781910
+Ref: Igawk Program-Footnote-1796241
+Ref: Igawk Program-Footnote-2796443
+Ref: Igawk Program-Footnote-3796565
+Node: Anagram Program796680
+Node: Signature Program799742
+Node: Programs Summary800989
+Node: Programs Exercises802203
+Ref: Programs Exercises-Footnote-1806332
+Node: Advanced Features806423
+Node: Nondecimal Data808413
+Node: Array Sorting810004
+Node: Controlling Array Traversal810704
+Ref: Controlling Array Traversal-Footnote-1819072
+Node: Array Sorting Functions819190
+Ref: Array Sorting Functions-Footnote-1824281
+Node: Two-way I/O824477
+Ref: Two-way I/O-Footnote-1831029
+Ref: Two-way I/O-Footnote-2831216
+Node: TCP/IP Networking831298
+Node: Profiling834416
+Ref: Profiling-Footnote-1843088
+Node: Advanced Features Summary843411
+Node: Internationalization845255
+Node: I18N and L10N846735
+Node: Explaining gettext847422
+Ref: Explaining gettext-Footnote-1853314
+Ref: Explaining gettext-Footnote-2853499
+Node: Programmer i18n853664
+Ref: Programmer i18n-Footnote-1858613
+Node: Translator i18n858662
+Node: String Extraction859456
+Ref: String Extraction-Footnote-1860588
+Node: Printf Ordering860674
+Ref: Printf Ordering-Footnote-1863460
+Node: I18N Portability863524
+Ref: I18N Portability-Footnote-1865980
+Node: I18N Example866043
+Ref: I18N Example-Footnote-1868849
+Node: Gawk I18N868922
+Node: I18N Summary869567
+Node: Debugger870908
+Node: Debugging871931
+Node: Debugging Concepts872372
+Node: Debugging Terms874181
+Node: Awk Debugging876756
+Node: Sample Debugging Session877662
+Node: Debugger Invocation878196
+Node: Finding The Bug879582
+Node: List of Debugger Commands886060
+Node: Breakpoint Control887393
+Node: Debugger Execution Control891087
+Node: Viewing And Changing Data894449
+Node: Execution Stack897823
+Node: Debugger Info899460
+Node: Miscellaneous Debugger Commands903531
+Node: Readline Support908593
+Node: Limitations909489
+Node: Debugging Summary911598
+Node: Arbitrary Precision Arithmetic912877
+Node: Computer Arithmetic914362
+Ref: table-numeric-ranges918128
+Ref: table-floating-point-ranges918621
+Ref: Computer Arithmetic-Footnote-1919279
+Node: Math Definitions919336
+Ref: table-ieee-formats922652
+Ref: Math Definitions-Footnote-1923255
+Node: MPFR features923360
+Node: FP Math Caution925078
+Ref: FP Math Caution-Footnote-1926150
+Node: Inexactness of computations926519
+Node: Inexact representation927479
+Node: Comparing FP Values928839
+Node: Errors accumulate929921
+Node: Getting Accuracy931354
+Node: Try To Round934064
+Node: Setting precision934963
+Ref: table-predefined-precision-strings935660
+Node: Setting the rounding mode937490
+Ref: table-gawk-rounding-modes937864
+Ref: Setting the rounding mode-Footnote-1941795
+Node: Arbitrary Precision Integers941974
+Ref: Arbitrary Precision Integers-Footnote-1945149
+Node: Checking for MPFR945298
+Node: POSIX Floating Point Problems946772
+Ref: POSIX Floating Point Problems-Footnote-1950643
+Node: Floating point summary950681
+Node: Dynamic Extensions952871
+Node: Extension Intro954424
+Node: Plugin License955690
+Node: Extension Mechanism Outline956487
+Ref: figure-load-extension956926
+Ref: figure-register-new-function958491
+Ref: figure-call-new-function959583
+Node: Extension API Description961645
+Node: Extension API Functions Introduction963287
+Node: General Data Types968827
+Ref: General Data Types-Footnote-1977188
+Node: Memory Allocation Functions977487
+Ref: Memory Allocation Functions-Footnote-1981697
+Node: Constructor Functions981796
+Node: Registration Functions985382
+Node: Extension Functions986067
+Node: Exit Callback Functions991282
+Node: Extension Version String992532
+Node: Input Parsers993195
+Node: Output Wrappers1005916
+Node: Two-way processors1010428
+Node: Printing Messages1012693
+Ref: Printing Messages-Footnote-11013864
+Node: Updating ERRNO1014017
+Node: Requesting Values1014756
+Ref: table-value-types-returned1015493
+Node: Accessing Parameters1016429
+Node: Symbol Table Access1017664
+Node: Symbol table by name1018176
+Node: Symbol table by cookie1019965
+Ref: Symbol table by cookie-Footnote-11024150
+Node: Cached values1024214
+Ref: Cached values-Footnote-11027750
+Node: Array Manipulation1027903
+Ref: Array Manipulation-Footnote-11028994
+Node: Array Data Types1029031
+Ref: Array Data Types-Footnote-11031689
+Node: Array Functions1031781
+Node: Flattening Arrays1036279
+Node: Creating Arrays1043255
+Node: Redirection API1048022
+Node: Extension API Variables1050855
+Node: Extension Versioning1051566
+Ref: gawk-api-version1051995
+Node: Extension GMP/MPFR Versioning1053726
+Node: Extension API Informational Variables1055354
+Node: Extension API Boilerplate1056427
+Node: Changes from API V11060401
+Node: Finding Extensions1061973
+Node: Extension Example1062532
+Node: Internal File Description1063330
+Node: Internal File Ops1067410
+Ref: Internal File Ops-Footnote-11078760
+Node: Using Internal File Ops1078900
+Ref: Using Internal File Ops-Footnote-11081283
+Node: Extension Samples1081557
+Node: Extension Sample File Functions1083086
+Node: Extension Sample Fnmatch1090735
+Node: Extension Sample Fork1092222
+Node: Extension Sample Inplace1093440
+Node: Extension Sample Ord1096657
+Node: Extension Sample Readdir1097493
+Ref: table-readdir-file-types1098382
+Node: Extension Sample Revout1099187
+Node: Extension Sample Rev2way1099776
+Node: Extension Sample Read write array1100516
+Node: Extension Sample Readfile1102458
+Node: Extension Sample Time1103553
+Node: Extension Sample API Tests1104901
+Node: gawkextlib1105393
+Node: Extension summary1108311
+Node: Extension Exercises1112013
+Node: Language History1113511
+Node: V7/SVR3.11115167
+Node: SVR41117319
+Node: POSIX1118753
+Node: BTL1120133
+Node: POSIX/GNU1120862
+Node: Feature History1126640
+Node: Common Extensions1142499
+Node: Ranges and Locales1143782
+Ref: Ranges and Locales-Footnote-11148398
+Ref: Ranges and Locales-Footnote-21148425
+Ref: Ranges and Locales-Footnote-31148660
+Node: Contributors1148881
+Node: History summary1154826
+Node: Installation1156206
+Node: Gawk Distribution1157150
+Node: Getting1157634
+Node: Extracting1158597
+Node: Distribution contents1160235
+Node: Unix Installation1166715
+Node: Quick Installation1167397
+Node: Shell Startup Files1169811
+Node: Additional Configuration Options1170900
+Node: Configuration Philosophy1173193
+Node: Non-Unix Installation1175562
+Node: PC Installation1176022
+Node: PC Binary Installation1176860
+Node: PC Compiling1177295
+Node: PC Using1178412
+Node: Cygwin1181627
+Node: MSYS1182726
+Node: VMS Installation1183227
+Node: VMS Compilation1184018
+Ref: VMS Compilation-Footnote-11185247
+Node: VMS Dynamic Extensions1185305
+Node: VMS Installation Details1186990
+Node: VMS Running1189243
+Node: VMS GNV1193522
+Node: VMS Old Gawk1194257
+Node: Bugs1194728
+Node: Bug address1195391
+Node: Usenet1198183
+Node: Maintainers1198960
+Node: Other Versions1200221
+Node: Installation summary1206983
+Node: Notes1208185
+Node: Compatibility Mode1209050
+Node: Additions1209832
+Node: Accessing The Source1210757
+Node: Adding Code1212194
+Node: New Ports1218413
+Node: Derived Files1222901
+Ref: Derived Files-Footnote-11228547
+Ref: Derived Files-Footnote-21228582
+Ref: Derived Files-Footnote-31229180
+Node: Future Extensions1229294
+Node: Implementation Limitations1229952
+Node: Extension Design1231135
+Node: Old Extension Problems1232289
+Ref: Old Extension Problems-Footnote-11233807
+Node: Extension New Mechanism Goals1233864
+Ref: Extension New Mechanism Goals-Footnote-11237228
+Node: Extension Other Design Decisions1237417
+Node: Extension Future Growth1239530
+Node: Old Extension Mechanism1240366
+Node: Notes summary1242129
+Node: Basic Concepts1243311
+Node: Basic High Level1243992
+Ref: figure-general-flow1244274
+Ref: figure-process-flow1244959
+Ref: Basic High Level-Footnote-11248260
+Node: Basic Data Typing1248445
+Node: Glossary1251773
+Node: Copying1283611
+Node: GNU Free Documentation License1321154
+Node: Index1346274
 
 End Tag Table
diff --git a/doc/gawk.texi b/doc/gawk.texi
index 0d4c49a..bd4033a 100644
--- a/doc/gawk.texi
+++ b/doc/gawk.texi
@@ -17955,11 +17955,12 @@ a[3] = "middle"
 @cindex substitute in string
 Search the target string @var{target} for matches of the regular
 expression @var{regexp}.  If @var{how} is a string beginning with
address@hidden or @samp{G} (short for ``global''), then replace all matches of 
@var{regexp} with
address@hidden  Otherwise, @var{how} is treated as a number indicating
-which match of @var{regexp} to replace. If no @var{target} is supplied,
-use @code{$0}.  It returns the modified string as the result
-of the function and the original target string is @emph{not} changed.
address@hidden or @samp{G} (short for ``global''), then replace all matches
+of @var{regexp} with @var{replacement}.  Otherwise, treat @var{how}
+as a number indicating which match of @var{regexp} to replace.  Treat
+numeric values less than one as if they were one.  If no @var{target}
+is supplied, use @code{$0}.  Return the modified string as the result
+of the function. The original target string is @emph{not} changed.
 
 @code{gensub()} is a general substitution function.  Its purpose is
 to provide more features than the standard @code{sub()} and @code{gsub()}
diff --git a/doc/gawktexi.in b/doc/gawktexi.in
index e857747..6dfe92b 100644
--- a/doc/gawktexi.in
+++ b/doc/gawktexi.in
@@ -17227,11 +17227,12 @@ a[3] = "middle"
 @cindex substitute in string
 Search the target string @var{target} for matches of the regular
 expression @var{regexp}.  If @var{how} is a string beginning with
address@hidden or @samp{G} (short for ``global''), then replace all matches of 
@var{regexp} with
address@hidden  Otherwise, @var{how} is treated as a number indicating
-which match of @var{regexp} to replace. If no @var{target} is supplied,
-use @code{$0}.  It returns the modified string as the result
-of the function and the original target string is @emph{not} changed.
address@hidden or @samp{G} (short for ``global''), then replace all matches
+of @var{regexp} with @var{replacement}.  Otherwise, treat @var{how}
+as a number indicating which match of @var{regexp} to replace.  Treat
+numeric values less than one as if they were one.  If no @var{target}
+is supplied, use @code{$0}.  Return the modified string as the result
+of the function. The original target string is @emph{not} changed.
 
 @code{gensub()} is a general substitution function.  Its purpose is
 to provide more features than the standard @code{sub()} and @code{gsub()}

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

Summary of changes:
 doc/ChangeLog   |   6 +
 doc/gawk.info   | 791 ++++++++++++++++++++++++++++----------------------------
 doc/gawk.texi   |  11 +-
 doc/gawktexi.in |  11 +-
 4 files changed, 414 insertions(+), 405 deletions(-)


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