Merge branch 'gawk-4.1-stable'

1 files changed, 589 insertions, 604 deletions

diff --git a/doc/gawk.info b/doc/gawk.info
index 05434558..631a1fa0 100644
--- a/doc/gawk.info
+++ b/doc/gawk.info
@@ -2243,9 +2243,7 @@ edit-compile-test-debug cycle of software development.
 retargetable assembler for eight-bit microprocessors (*note Glossary::,
 for more information), and a microcode assembler for a special-purpose
 Prolog computer.  While the original `awk''s capabilities were strained
-by tasks of such complexity, modern versions are more capable.  Even
-BWK `awk' has fewer predefined limits, and those that it has are much
-larger than they used to be.
+by tasks of such complexity, modern versions are more capable.
 
    If you find yourself writing `awk' scripts of more than, say, a few
 hundred lines, you might consider using a different programming
@@ -2266,6 +2264,9 @@ File: gawk.info,  Node: Intro Summary,  Prev: When,  Up: Getting Started
 
    * Programs in `awk' consist of PATTERN-ACTION pairs.
 
+   * An ACTION without a PATTERN always runs.  The default ACTION for a
+     pattern without one is `{ print $0 }'.
+
    * Use either `awk 'PROGRAM' FILES' or `awk -f PROGRAM-FILE FILES' to
      run `awk'.
 
@@ -3200,7 +3201,7 @@ that matches every input record whose text belongs to that set.  The
 simplest regular expression is a sequence of letters, numbers, or both.
 Such a regexp matches any string that contains that sequence.  Thus,
 the regexp `foo' matches any string containing `foo'.  Therefore, the
-pattern `/foo/' matches any input record containing the three
+pattern `/foo/' matches any input record containing the three adjacent
 characters `foo' _anywhere_ in the record.  Other kinds of regexps let
 you specify more complicated classes of strings.
 
@@ -3497,9 +3498,10 @@ sequences and that are not listed in the table stand for themselves:
 `|'
      This is the "alternation operator" and it is used to specify
      alternatives.  The `|' has the lowest precedence of all the regular
-     expression operators.  For example, `^P|[[:digit:]]' matches any
-     string that matches either `^P' or `[[:digit:]]'.  This means it
-     matches any string that starts with `P' or contains a digit.
+     expression operators.  For example, `^P|[aeiouy]' matches any
+     string that matches either `^P' or `[aeiouy]'.  This means it
+     matches any string that starts with `P' or contains (anywhere
+     within it) a lowercase English vowel.
 
      The alternation applies to the largest possible regexps on either
      side.
@@ -3625,7 +3627,9 @@ expression, put a `\' in front of it.  For example:
 
      [d\]]
 
-matches either `d' or `]'.
+matches either `d' or `]'.  Additionally, if you place `]' right after
+the opening `[', the closing bracket is treated as one of the
+characters to be matched.
 
    This treatment of `\' in bracket expressions is compatible with
 other `awk' implementations and is also mandated by POSIX.  The regular
@@ -4020,7 +4024,7 @@ File: gawk.info,  Node: Regexp Summary,  Prev: Computed Regexps,  Up: Regexp
      extent of the match, such as for text substitution and when the
      record separator is a regexp.
 
-   * Matching expressions may use dynamic regexps; that is, string
+   * Matching expressions may use dynamic regexps, that is, string
      values treated as regular expressions.
 
 
@@ -4073,13 +4077,13 @@ File: gawk.info,  Node: Records,  Next: Fields,  Up: Reading Files
 4.1 How Input Is Split into Records
 ===================================
 
-The `awk' utility divides the input for your `awk' program into records
-and fields.  `awk' keeps track of the number of records that have been
-read so far from the current input file.  This value is stored in a
-built-in variable called `FNR'.  It is reset to zero when a new file is
-started.  Another built-in variable, `NR', records the total number of
-input records read so far from all data files.  It starts at zero, but
-is never automatically reset to zero.
+`awk' divides the input for your program into records and fields.  It
+keeps track of the number of records that have been read so far from
+the current input file.  This value is stored in a built-in variable
+called `FNR' which is reset to zero when a new file is started.
+Another built-in variable, `NR', records the total number of input
+records read so far from all data files.  It starts at zero, but is
+never automatically reset to zero.
 
 * Menu:
 
@@ -5334,8 +5338,8 @@ yet.  Therefore, come back and study the `getline' command _after_ you
 have reviewed the rest of this Info file and have a good knowledge of
 how `awk' works.
 
-   The `getline' command returns one if it finds a record and zero if
-it encounters the end of the file.  If there is some error in getting a
+   The `getline' command returns 1 if it finds a record and 0 if it
+encounters the end of the file.  If there is some error in getting a
 record, such as a file that cannot be opened, then `getline' returns
 -1.  In this case, `gawk' sets the variable `ERRNO' to a string
 describing the error that occurred.
@@ -8436,9 +8440,9 @@ because of the way they work.  Evaluation of the full expression is
 "short-circuited" if the result can be determined part way through its
 evaluation.
 
-   Statements that use `&&' or `||' can be continued simply by putting
-a newline after them.  But you cannot put a newline in front of either
-of these operators without using backslash continuation (*note
+   Statements that end with `&&' or `||' can be continued simply by
+putting a newline after them.  But you cannot put a newline in front of
+either of these operators without using backslash continuation (*note
 Statements/Lines::).
 
    The actual value of an expression using the `!' operator is either
@@ -8914,7 +8918,7 @@ precisely `li':
 `li'.)  Contrast this with the following regular expression match, which
 accepts any record with a first field that contains `li':
 
-     $ awk '$1 ~ /foo/ { print $2 }' mail-list
+     $ awk '$1 ~ /li/ { print $2 }' mail-list
      -| 555-5553
      -| 555-6699
 
@@ -10805,7 +10809,8 @@ index, use the following expression:
 This expression tests whether the particular index INDX exists, without
 the side effect of creating that element if it is not present.  The
 expression has the value one (true) if `ARRAY[INDX]' exists and zero
-(false) if it does not exist.  For example, this statement tests
+(false) if it does not exist.  (We use INDX here, since `index' is the
+name of a built-in function.)  For example, this statement tests
 whether the array `frequencies' contains the index `2':
 
      if (2 in frequencies)
@@ -14669,8 +14674,7 @@ worrying about:
      }
 
      #### test code ####
-     # BEGIN    \
-     # {
+     # BEGIN {
      #    for (;;) {
      #        printf("enter a character: ")
      #        if (getline var <= 0)
@@ -15793,8 +15797,7 @@ the same names:
 
      # group.awk --- functions for dealing with the group file
 
-     BEGIN    \
-     {
+     BEGIN {
          # Change to suit your system
          _gr_awklib = "/usr/local/libexec/awk/"
      }
@@ -16217,8 +16220,7 @@ through the command-line options.  Exactly one of the variables
 should be done by fields or by characters, respectively.  When cutting
 by characters, the output field separator is set to the null string:
 
-     BEGIN    \
-     {
+     BEGIN {
          FS = "\t"    # default
          OFS = FS
          while ((c = getopt(ARGC, ARGV, "sf:c:d:")) != -1) {
@@ -16603,8 +16605,7 @@ line is printed, with a leading file name and colon if necessary:
    The `END' rule takes care of producing the correct exit status. If
 there are no matches, the exit status is one; otherwise it is zero:
 
-     END    \
-     {
+     END {
          exit (total == 0)
      }
 
@@ -16622,13 +16623,6 @@ options, and then exits:
    The variable `e' is used so that the function fits nicely on the
 printed page.
 
-   Just a note on programming style: you may have noticed that the `END'
-rule uses backslash continuation, with the open brace on a line by
-itself.  This is so that it more closely resembles the way functions
-are written.  Many of the examples in this major node use this style.
-You can decide for yourself if you like writing your `BEGIN' and `END'
-rules this way or not.
-
    ---------- Footnotes ----------
 
    (1) It also introduces a subtle bug; if a match happens, we output
@@ -16671,8 +16665,7 @@ and the group numbers:
      # uid=12(foo) euid=34(bar) gid=3(baz) \
      #             egid=5(blat) groups=9(nine),2(two),1(one)
 
-     BEGIN    \
-     {
+     BEGIN {
          uid = PROCINFO["uid"]
          euid = PROCINFO["euid"]
          gid = PROCINFO["gid"]
@@ -16880,8 +16873,7 @@ input by setting `ARGV[1]' to `"-"' and `ARGC' to two:
      # Copy standard input to all named output files.
      # Append content if -a option is supplied.
      #
-     BEGIN    \
-     {
+     BEGIN {
          for (i = 1; i < ARGC; i++)
              copy[i] = ARGV[i]
 
@@ -16931,8 +16923,7 @@ N input records and M output files, the first method only executes N
 
    Finally, the `END' rule cleans up by closing all the output files:
 
-     END    \
-     {
+     END {
          for (i in copy)
              close(copy[i])
      }
@@ -17019,8 +17010,7 @@ standard output, `/dev/stdout':
      # -n    skip n fields
      # +n    skip n characters, skip fields first
 
-     BEGIN   \
-     {
+     BEGIN {
          count = 1
          outputfile = "/dev/stdout"
          opts = "udc0:1:2:3:4:5:6:7:8:9:"
@@ -17408,8 +17398,7 @@ Statement::), but the processing could be done with a series of
      # Requires getlocaltime() library function
      # usage: alarm time [ "message" [ count [ delay ] ] ]
 
-     BEGIN    \
-     {
+     BEGIN {
          # Initial argument sanity checking
          usage1 = "usage: alarm time ['message' [count [delay]]]"
          usage2 = sprintf("\t(%s) time ::= hh:mm", ARGV[1])
@@ -17730,8 +17719,7 @@ not have been an even multiple of 20 labels in the data:
          Count++
      }
 
-     END    \
-     {
+     END {
          printpage()
      }
 
@@ -31004,11 +30992,11 @@ Index
 * ' (single quote), vs. apostrophe:      Comments.            (line  27)
 * ' (single quote), with double quotes:  Quoting.             (line  70)
 * () (parentheses), in a profile:        Profiling.           (line 146)
-* () (parentheses), regexp operator:     Regexp Operators.    (line  80)
+* () (parentheses), regexp operator:     Regexp Operators.    (line  81)
 * * (asterisk), * operator, as multiplication operator: Precedence.
                                                               (line  55)
 * * (asterisk), * operator, as regexp operator: Regexp Operators.
-                                                              (line  88)
+                                                              (line  89)
 * * (asterisk), * operator, null strings, matching: Gory Details.
                                                               (line 143)
 * * (asterisk), ** operator <1>:         Precedence.          (line  49)
@@ -31022,7 +31010,7 @@ Index
 * + (plus sign), ++ operator:            Increment Ops.       (line  11)
 * + (plus sign), += operator <1>:        Precedence.          (line  95)
 * + (plus sign), += operator:            Assignment Ops.      (line  82)
-* + (plus sign), regexp operator:        Regexp Operators.    (line 103)
+* + (plus sign), regexp operator:        Regexp Operators.    (line 104)
 * , (comma), in range patterns:          Ranges.              (line   6)
 * - (hyphen), - operator:                Precedence.          (line  52)
 * - (hyphen), -- operator <1>:           Precedence.          (line  46)
@@ -31165,7 +31153,7 @@ Index
 * ? (question mark), ?: operator:        Precedence.          (line  92)
 * ? (question mark), regexp operator <1>: GNU Regexp Operators.
                                                               (line  59)
-* ? (question mark), regexp operator:    Regexp Operators.    (line 112)
+* ? (question mark), regexp operator:    Regexp Operators.    (line 113)
 * [] (square brackets), regexp operator: Regexp Operators.    (line  56)
 * \ (backslash):                         Comments.            (line  50)
 * \ (backslash) in shell commands:       Read Terminal.       (line  25)
@@ -31202,7 +31190,6 @@ Index
                                                               (line  38)
 * \ (backslash), as field separator:     Command Line Field Separator.
                                                               (line  27)
-* \ (backslash), continuing lines and <1>: Egrep Program.     (line 223)
 * \ (backslash), continuing lines and:   Statements/Lines.    (line  19)
 * \ (backslash), continuing lines and, comments and: Statements/Lines.
                                                               (line  76)
@@ -31368,7 +31355,7 @@ Index
 * asterisk (*), * operator, as multiplication operator: Precedence.
                                                               (line  55)
 * asterisk (*), * operator, as regexp operator: Regexp Operators.
-                                                              (line  88)
+                                                              (line  89)
 * asterisk (*), * operator, null strings, matching: Gory Details.
                                                               (line 143)
 * asterisk (*), ** operator <1>:         Precedence.          (line  49)
@@ -31386,7 +31373,7 @@ Index
 * awk programs <1>:                      Two Rules.           (line   6)
 * awk programs <2>:                      Executable Scripts.  (line   6)
 * awk programs:                          Getting Started.     (line  12)
-* awk programs, complex:                 When.                (line  29)
+* awk programs, complex:                 When.                (line  27)
 * awk programs, documenting <1>:         Library Names.       (line   6)
 * awk programs, documenting:             Comments.            (line   6)
 * awk programs, examples of:             Sample Programs.     (line   6)
@@ -31475,7 +31462,6 @@ Index
                                                               (line  38)
 * backslash (\), as field separator:     Command Line Field Separator.
                                                               (line  27)
-* backslash (\), continuing lines and <1>: Egrep Program.     (line 223)
 * backslash (\), continuing lines and:   Statements/Lines.    (line  19)
 * backslash (\), continuing lines and, comments and: Statements/Lines.
                                                               (line  76)
@@ -31551,15 +31537,15 @@ Index
 * bracket expressions <1>:               Bracket Expressions. (line   6)
 * bracket expressions:                   Regexp Operators.    (line  56)
 * bracket expressions, character classes: Bracket Expressions.
-                                                              (line  30)
+                                                              (line  32)
 * bracket expressions, collating elements: Bracket Expressions.
-                                                              (line  77)
+                                                              (line  79)
 * bracket expressions, collating symbols: Bracket Expressions.
-                                                              (line  84)
+                                                              (line  86)
 * bracket expressions, complemented:     Regexp Operators.    (line  64)
 * bracket expressions, equivalence classes: Bracket Expressions.
-                                                              (line  90)
-* bracket expressions, non-ASCII:        Bracket Expressions. (line  77)
+                                                              (line  92)
+* bracket expressions, non-ASCII:        Bracket Expressions. (line  79)
 * bracket expressions, range expressions: Bracket Expressions.
                                                               (line   6)
 * break debugger command:                Breakpoint Control.  (line  11)
@@ -31676,8 +31662,8 @@ Index
 * Close, Diane <1>:                      Contributors.        (line  20)
 * Close, Diane:                          Manual History.      (line  34)
 * Collado, Manuel:                       Acknowledgments.     (line  60)
-* collating elements:                    Bracket Expressions. (line  77)
-* collating symbols:                     Bracket Expressions. (line  84)
+* collating elements:                    Bracket Expressions. (line  79)
+* collating symbols:                     Bracket Expressions. (line  86)
 * Colombo, Antonio <1>:                  Contributors.        (line 137)
 * Colombo, Antonio:                      Acknowledgments.     (line  60)
 * columns, aligning:                     Print Examples.      (line  70)
@@ -32101,7 +32087,7 @@ Index
 * effective group ID of gawk user:       Auto-set.            (line 141)
 * effective user ID of gawk user:        Auto-set.            (line 145)
 * egrep utility <1>:                     Egrep Program.       (line   6)
-* egrep utility:                         Bracket Expressions. (line  24)
+* egrep utility:                         Bracket Expressions. (line  26)
 * egrep.awk program:                     Egrep Program.       (line  54)
 * elements in arrays, assigning values:  Assigning Elements.  (line   6)
 * elements in arrays, deleting:          Delete.              (line   6)
@@ -32127,7 +32113,6 @@ Index
 * END pattern, and profiling:            Profiling.           (line  62)
 * END pattern, assert() user-defined function and: Assert Function.
                                                               (line  75)
-* END pattern, backslash continuation and: Egrep Program.     (line 223)
 * END pattern, Boolean patterns and:     Expression Patterns. (line  70)
 * END pattern, exit statement and:       Exit Statement.      (line  12)
 * END pattern, next/nextfile statements and <1>: Next Statement.
@@ -32139,8 +32124,8 @@ Index
 * ENDFILE pattern:                       BEGINFILE/ENDFILE.   (line   6)
 * ENDFILE pattern, Boolean patterns and: Expression Patterns. (line  70)
 * endfile() user-defined function:       Filetrans Function.  (line  62)
-* endgrent() function (C library):       Group Functions.     (line 213)
-* endgrent() user-defined function:      Group Functions.     (line 216)
+* endgrent() function (C library):       Group Functions.     (line 212)
+* endgrent() user-defined function:      Group Functions.     (line 215)
 * endpwent() function (C library):       Passwd Functions.    (line 210)
 * endpwent() user-defined function:      Passwd Functions.    (line 213)
 * English, Steve:                        Advanced Features.   (line   6)
@@ -32153,7 +32138,7 @@ Index
 * equals sign (=), == operator <1>:      Precedence.          (line  65)
 * equals sign (=), == operator:          Comparison Operators.
                                                               (line  11)
-* EREs (Extended Regular Expressions):   Bracket Expressions. (line  24)
+* EREs (Extended Regular Expressions):   Bracket Expressions. (line  26)
 * ERRNO variable <1>:                    TCP/IP Networking.   (line  54)
 * ERRNO variable:                        Auto-set.            (line  82)
 * ERRNO variable, with BEGINFILE pattern: BEGINFILE/ENDFILE.  (line  26)
@@ -32208,7 +32193,7 @@ Index
 * expressions, matching, See comparison expressions: Typing and Comparison.
                                                               (line   9)
 * expressions, selecting:                Conditional Exp.     (line   6)
-* Extended Regular Expressions (EREs):   Bracket Expressions. (line  24)
+* Extended Regular Expressions (EREs):   Bracket Expressions. (line  26)
 * extension API:                         Extension API Description.
                                                               (line   6)
 * extension API informational variables: Extension API Informational Variables.
@@ -32274,7 +32259,7 @@ Index
                                                               (line   6)
 * field separators, regular expressions as: Field Separators. (line  51)
 * field separators, See Also OFS:        Changing Fields.     (line  64)
-* field separators, spaces as:           Cut Program.         (line 109)
+* field separators, spaces as:           Cut Program.         (line 108)
 * fields <1>:                            Basic High Level.    (line  73)
 * fields <2>:                            Fields.              (line   6)
 * fields:                                Reading Files.       (line  14)
@@ -32471,7 +32456,7 @@ Index
 * gawk, bitwise operations in:           Bitwise Functions.   (line  39)
 * gawk, break statement in:              Break Statement.     (line  51)
 * gawk, built-in variables and:          Built-in Variables.  (line  14)
-* gawk, character classes and:           Bracket Expressions. (line  98)
+* gawk, character classes and:           Bracket Expressions. (line 100)
 * gawk, coding style in:                 Adding Code.         (line  39)
 * gawk, command-line options, and regular expressions: GNU Regexp Operators.
                                                               (line  70)
@@ -32522,7 +32507,7 @@ Index
                                                               (line  13)
 * gawk, interpreter, adding code to:     Using Internal File Ops.
                                                               (line   6)
-* gawk, interval expressions and:        Regexp Operators.    (line 140)
+* gawk, interval expressions and:        Regexp Operators.    (line 141)
 * gawk, line continuation in:            Conditional Exp.     (line  34)
 * gawk, LINT variable in:                User-modified.       (line  88)
 * gawk, list of contributors to:         Contributors.        (line   6)
@@ -32540,7 +32525,7 @@ Index
                                                               (line  26)
 * gawk, regular expressions, operators:  GNU Regexp Operators.
                                                               (line   6)
-* gawk, regular expressions, precedence: Regexp Operators.    (line 162)
+* gawk, regular expressions, precedence: Regexp Operators.    (line 163)
 * gawk, RT variable in <1>:              Auto-set.            (line 265)
 * gawk, RT variable in <2>:              Multiple Line.       (line 129)
 * gawk, RT variable in:                  awk split records.   (line 124)
@@ -32568,12 +32553,12 @@ Index
 * getaddrinfo() function (C library):    TCP/IP Networking.   (line  38)
 * getgrent() function (C library):       Group Functions.     (line   6)
 * getgrent() user-defined function:      Group Functions.     (line   6)
-* getgrgid() function (C library):       Group Functions.     (line 184)
-* getgrgid() user-defined function:      Group Functions.     (line 187)
-* getgrnam() function (C library):       Group Functions.     (line 173)
-* getgrnam() user-defined function:      Group Functions.     (line 178)
-* getgruser() function (C library):      Group Functions.     (line 193)
-* getgruser() function, user-defined:    Group Functions.     (line 196)
+* getgrgid() function (C library):       Group Functions.     (line 183)
+* getgrgid() user-defined function:      Group Functions.     (line 186)
+* getgrnam() function (C library):       Group Functions.     (line 172)
+* getgrnam() user-defined function:      Group Functions.     (line 177)
+* getgruser() function (C library):      Group Functions.     (line 192)
+* getgruser() function, user-defined:    Group Functions.     (line 195)
 * getline command:                       Reading Files.       (line  20)
 * getline command, _gr_init() user-defined function: Group Functions.
                                                               (line  83)
@@ -32747,7 +32732,7 @@ Index
                                                               (line  13)
 * internationalization, localization:    User-modified.       (line 152)
 * internationalization, localization, character classes: Bracket Expressions.
-                                                              (line  98)
+                                                              (line 100)
 * internationalization, localization, gawk and: Internationalization.
                                                               (line  13)
 * internationalization, localization, locale categories: Explaining gettext.
@@ -32759,7 +32744,7 @@ Index
 * internationalizing a program:          Explaining gettext.  (line   6)
 * interpreted programs <1>:              Glossary.            (line 356)
 * interpreted programs:                  Basic High Level.    (line  15)
-* interval expressions, regexp operator: Regexp Operators.    (line 117)
+* interval expressions, regexp operator: Regexp Operators.    (line 118)
 * inventory-shipped file:                Sample Data Files.   (line  32)
 * invoke shell command:                  I/O Functions.       (line  75)
 * isarray:                               Type Functions.      (line  11)
@@ -33117,7 +33102,7 @@ Index
 * Papadopoulos, Panos:                   Contributors.        (line 128)
 * parent process ID of gawk process:     Auto-set.            (line 189)
 * parentheses (), in a profile:          Profiling.           (line 146)
-* parentheses (), regexp operator:       Regexp Operators.    (line  80)
+* parentheses (), regexp operator:       Regexp Operators.    (line  81)
 * password file:                         Passwd Functions.    (line  16)
 * patsplit:                              String Functions.    (line 294)
 * patterns:                              Patterns and Actions.
@@ -33155,7 +33140,7 @@ Index
 * plus sign (+), ++ operator:            Increment Ops.       (line  11)
 * plus sign (+), += operator <1>:        Precedence.          (line  95)
 * plus sign (+), += operator:            Assignment Ops.      (line  82)
-* plus sign (+), regexp operator:        Regexp Operators.    (line 103)
+* plus sign (+), regexp operator:        Regexp Operators.    (line 104)
 * pointers to functions:                 Indirect Calls.      (line   6)
 * portability:                           Escape Sequences.    (line 100)
 * portability, #! (executable scripts):  Executable Scripts.  (line  33)
@@ -33205,9 +33190,9 @@ Index
 * POSIX awk, backslashes in string constants: Escape Sequences.
                                                               (line 118)
 * POSIX awk, BEGIN/END patterns:         I/O And BEGIN/END.   (line  16)
-* POSIX awk, bracket expressions and:    Bracket Expressions. (line  24)
+* POSIX awk, bracket expressions and:    Bracket Expressions. (line  26)
 * POSIX awk, bracket expressions and, character classes: Bracket Expressions.
-                                                              (line  30)
+                                                              (line  32)
 * POSIX awk, break statement and:        Break Statement.     (line  51)
 * POSIX awk, changes in awk versions:    POSIX.               (line   6)
 * POSIX awk, continue statement and:     Continue Statement.  (line  44)
@@ -33221,14 +33206,14 @@ Index
 * POSIX awk, functions and, gsub()/sub(): Gory Details.       (line  90)
 * POSIX awk, functions and, length():    String Functions.    (line 176)
 * POSIX awk, GNU long options and:       Options.             (line  15)
-* POSIX awk, interval expressions in:    Regexp Operators.    (line 136)
+* POSIX awk, interval expressions in:    Regexp Operators.    (line 137)
 * POSIX awk, next/nextfile statements and: Next Statement.    (line  45)
 * POSIX awk, numeric strings and:        Variable Typing.     (line   6)
 * POSIX awk, OFMT variable and <1>:      Strings And Numbers. (line  57)
 * POSIX awk, OFMT variable and:          OFMT.                (line  27)
 * POSIX awk, period (.), using:          Regexp Operators.    (line  51)
 * POSIX awk, printf format strings and:  Format Modifiers.    (line 159)
-* POSIX awk, regular expressions and:    Regexp Operators.    (line 162)
+* POSIX awk, regular expressions and:    Regexp Operators.    (line 163)
 * POSIX awk, timestamps and:             Time Functions.      (line   6)
 * POSIX awk, | I/O operator and:         Getline/Pipe.        (line  55)
 * POSIX mode:                            Options.             (line 252)
@@ -33239,7 +33224,7 @@ Index
 * PREC variable:                         User-modified.       (line 124)
 * precedence <1>:                        Precedence.          (line   6)
 * precedence:                            Increment Ops.       (line  60)
-* precedence, regexp operators:          Regexp Operators.    (line 157)
+* precedence, regexp operators:          Regexp Operators.    (line 158)
 * print debugger command:                Viewing And Changing Data.
                                                               (line  36)
 * print statement:                       Printing.            (line  16)
@@ -33326,7 +33311,7 @@ Index
 * question mark (?), ?: operator:        Precedence.          (line  92)
 * question mark (?), regexp operator <1>: GNU Regexp Operators.
                                                               (line  59)
-* question mark (?), regexp operator:    Regexp Operators.    (line 112)
+* question mark (?), regexp operator:    Regexp Operators.    (line 113)
 * QuikTrim Awk:                          Other Versions.      (line 135)
 * quit debugger command:                 Miscellaneous Debugger Commands.
                                                               (line  99)
@@ -33426,7 +33411,7 @@ Index
 * regular expressions, operators, gawk:  GNU Regexp Operators.
                                                               (line   6)
 * regular expressions, operators, precedence of: Regexp Operators.
-                                                              (line 157)
+                                                              (line 158)
 * regular expressions, searching for:    Egrep Program.       (line   6)
 * relational operators, See comparison operators: Typing and Comparison.
                                                               (line   9)
@@ -33636,7 +33621,7 @@ Index
 * single-step execution, in the debugger: Debugger Execution Control.
                                                               (line  43)
 * Skywalker, Luke:                       Undocumented.        (line   6)
-* sleep utility:                         Alarm Program.       (line 111)
+* sleep utility:                         Alarm Program.       (line 110)
 * sleep() extension function:            Extension Sample Time.
                                                               (line  22)
 * Solaris, POSIX-compliant awk:          Other Versions.      (line  96)
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+Node: GNU Free Documentation License1234153
+Node: Index1259289
 
 End Tag Table