Minor doc fixes.

4 files changed, 309 insertions, 304 deletions

diff --git a/doc/ChangeLog b/doc/ChangeLog
index 7618db88..a5d48926 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,8 @@
+2014-01-31         Arnold D. Robbins     <arnold@skeeve.com>
+
+	* gawktexi.in: Add `()' to names of extension functions in indexing
+	commands and in one place in the text. Consistency, don'tcha know.
+
 2014-01-30         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* gawktexi.in: Add a few missing STARTOFRANGE comments.
diff --git a/doc/gawk.info b/doc/gawk.info
index defd9fed..3e6c3ea4 100644
--- a/doc/gawk.info
+++ b/doc/gawk.info
@@ -13986,7 +13986,7 @@ corresponding character.  Both functions are written very nicely in
          }
      }
 
-   Some explanation of the numbers used by `chr' is worthwhile.  The
+   Some explanation of the numbers used by `chr()' is worthwhile.  The
 most prominent character set in use today is ASCII.(1) Although an
 8-bit byte can hold 256 distinct values (from 0 to 255), ASCII only
 defines characters that use the values from 0 to 127.(2) In the now
@@ -30563,10 +30563,10 @@ Index
 * characters, transliterating:           Translate Program.   (line   6)
 * characters, values of as numbers:      Ordinal Functions.   (line   6)
 * Chassell, Robert J.:                   Acknowledgments.     (line  33)
-* chdir extension function:              Extension Sample File Functions.
+* chdir() extension function:            Extension Sample File Functions.
                                                               (line  12)
 * chem utility:                          Glossary.            (line 151)
-* chr extension function:                Extension Sample Ord.
+* chr() extension function:              Extension Sample Ord.
                                                               (line  15)
 * chr() user-defined function:           Ordinal Functions.   (line  16)
 * clear debugger command:                Breakpoint Control.  (line  36)
@@ -31203,14 +31203,14 @@ Index
 * floating-point, numbers <1>:           Unexpected Results.  (line   6)
 * floating-point, numbers:               General Arithmetic.  (line   6)
 * floating-point, VAX/VMS:               VMS Running.         (line  51)
-* fnmatch extension function:            Extension Sample Fnmatch.
+* fnmatch() extension function:          Extension Sample Fnmatch.
                                                               (line   6)
 * FNR variable <1>:                      Auto-set.            (line 103)
 * FNR variable:                          Records.             (line   6)
 * FNR variable, changing:                Auto-set.            (line 314)
 * for statement:                         For Statement.       (line   6)
 * for statement, looping over arrays:    Scanning an Array.   (line  20)
-* fork extension function:               Extension Sample Fork.
+* fork() extension function:             Extension Sample Fork.
                                                               (line  11)
 * format specifiers, mixing regular with positional specifiers: Printf Ordering.
                                                               (line  57)
@@ -31252,7 +31252,7 @@ Index
 * FSF (Free Software Foundation) <1>:    Glossary.            (line 305)
 * FSF (Free Software Foundation) <2>:    Getting.             (line  10)
 * FSF (Free Software Foundation):        Manual History.      (line   6)
-* fts extension function:                Extension Sample File Functions.
+* fts() extension function:              Extension Sample File Functions.
                                                               (line  77)
 * FUNCTAB array:                         Auto-set.            (line 119)
 * function calls:                        Function Calls.      (line   6)
@@ -31440,7 +31440,7 @@ Index
 * gettext library:                       Explaining gettext.  (line   6)
 * gettext library, locale categories:    Explaining gettext.  (line  80)
 * gettext() function (C library):        Explaining gettext.  (line  62)
-* gettimeofday extension function:       Extension Sample Time.
+* gettimeofday() extension function:     Extension Sample Time.
                                                               (line  13)
 * GMP:                                   Arbitrary Precision Arithmetic.
                                                               (line   6)
@@ -31894,7 +31894,7 @@ Index
 * OR bitwise operation:                  Bitwise Functions.   (line   6)
 * or Boolean-logic operator:             Boolean Ops.         (line   6)
 * or() function (gawk):                  Bitwise Functions.   (line  49)
-* ord extension function:                Extension Sample Ord.
+* ord() extension function:              Extension Sample Ord.
                                                               (line  12)
 * ord() user-defined function:           Ordinal Functions.   (line  16)
 * order of evaluation, concatenation:    Concatenation.       (line  41)
@@ -32142,13 +32142,13 @@ Index
 * Rankin, Pat <2>:                       Contributors.        (line  37)
 * Rankin, Pat <3>:                       Assignment Ops.      (line 100)
 * Rankin, Pat:                           Acknowledgments.     (line  60)
-* reada extension function:              Extension Sample Read write array.
+* reada() extension function:            Extension Sample Read write array.
                                                               (line  15)
 * readable data files, checking:         File Checking.       (line   6)
 * readable.awk program:                  File Checking.       (line  11)
 * readdir extension:                     Extension Sample Readdir.
                                                               (line   9)
-* readfile extension function:           Extension Sample Readfile.
+* readfile() extension function:         Extension Sample Readfile.
                                                               (line  11)
 * readfile() user-defined function:      Readfile Function.   (line  30)
 * recipe for a programming language:     History.             (line   6)
@@ -32392,9 +32392,9 @@ Index
 * single-character fields:               Single Character Fields.
                                                               (line   6)
 * Skywalker, Luke:                       Undocumented.        (line   6)
-* sleep extension function:              Extension Sample Time.
-                                                              (line  23)
 * sleep utility:                         Alarm Program.       (line 109)
+* sleep() extension function:            Extension Sample Time.
+                                                              (line  23)
 * Solaris, POSIX-compliant awk:          Other Versions.      (line  96)
 * sort function, arrays, sorting:        Array Sorting Functions.
                                                               (line   6)
@@ -32438,7 +32438,7 @@ Index
 * standard input <1>:                    Special FD.          (line   6)
 * standard input:                        Read Terminal.       (line   6)
 * standard output:                       Special FD.          (line   6)
-* stat extension function:               Extension Sample File Functions.
+* stat() extension function:             Extension Sample File Functions.
                                                               (line  18)
 * statements, compound, control statements and: Statements.   (line  10)
 * statements, control, in actions:       Statements.          (line   6)
@@ -32672,9 +32672,9 @@ Index
 * w debugger command (alias for watch):  Viewing And Changing Data.
                                                               (line  67)
 * w utility:                             Constant Size.       (line  22)
-* wait extension function:               Extension Sample Fork.
+* wait() extension function:             Extension Sample Fork.
                                                               (line  22)
-* waitpid extension function:            Extension Sample Fork.
+* waitpid() extension function:          Extension Sample Fork.
                                                               (line  18)
 * walk_array() user-defined function:    Walking Arrays.      (line  14)
 * Wall, Larry <1>:                       Future Extensions.   (line   6)
@@ -32706,7 +32706,7 @@ Index
 * words, counting:                       Wc Program.          (line   6)
 * words, duplicate, searching for:       Dupword Program.     (line   6)
 * words, usage counts, generating:       Word Sorting.        (line   6)
-* writea extension function:             Extension Sample Read write array.
+* writea() extension function:           Extension Sample Read write array.
                                                               (line   9)
 * xgettext utility:                      String Extraction.   (line  13)
 * XOR bitwise operation:                 Bitwise Functions.   (line   6)
@@ -33008,263 +33008,263 @@ Node: Assert Function574792
 Node: Round Function578118
 Node: Cliff Random Function579661
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-Ref: Ordinal Functions-Footnote-2583999
-Node: Join Function584208
-Ref: Join Function-Footnote-1585979
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-Node: Filetrans Function592391
-Node: Rewind Function596460
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+Node: Compatibility Mode1089220
+Node: Additions1090003
+Node: Accessing The Source1090930
+Node: Adding Code1092370
+Node: New Ports1098415
+Node: Derived Files1102550
+Ref: Derived Files-Footnote-11107871
+Ref: Derived Files-Footnote-21107905
+Ref: Derived Files-Footnote-31108505
+Node: Future Extensions1108603
+Node: Implementation Limitations1109186
+Node: Extension Design1110438
+Node: Old Extension Problems1111592
+Ref: Old Extension Problems-Footnote-11113100
+Node: Extension New Mechanism Goals1113157
+Ref: Extension New Mechanism Goals-Footnote-11116522
+Node: Extension Other Design Decisions1116708
+Node: Extension Future Growth1118814
+Node: Old Extension Mechanism1119650
+Node: Basic Concepts1121390
+Node: Basic High Level1122071
+Ref: figure-general-flow1122342
+Ref: figure-process-flow1122941
+Ref: Basic High Level-Footnote-11126170
+Node: Basic Data Typing1126355
+Node: Glossary1129710
+Node: Copying1155172
+Node: GNU Free Documentation License1192729
+Node: Index1217866
 
 End Tag Table
diff --git a/doc/gawk.texi b/doc/gawk.texi
index b396f9e0..6af87dd0 100644
--- a/doc/gawk.texi
+++ b/doc/gawk.texi
@@ -19530,7 +19530,7 @@ function _ord_init(    low, high, i, t)
 @cindex ASCII
 @cindex EBCDIC
 @cindex mark parity
-Some explanation of the numbers used by @code{chr} is worthwhile.
+Some explanation of the numbers used by @code{chr()} is worthwhile.
 The most prominent character set in use today is ASCII.@footnote{This
 is changing; many systems use Unicode, a very large character set
 that includes ASCII as a subset.  On systems with full Unicode support,
@@ -32272,14 +32272,14 @@ The usage is:
 @item @@load "filefuncs"
 This is how you load the extension.
 
-@cindex @code{chdir} extension function
+@cindex @code{chdir()} extension function
 @item result = chdir("/some/directory")
 The @code{chdir()} function is a direct hook to the @code{chdir()}
 system call to change the current directory.  It returns zero
 upon success or less than zero upon error.  In the latter case it updates
 @code{ERRNO}.
 
-@cindex @code{stat} extension function
+@cindex @code{stat()} extension function
 @item result = stat("/some/path", statdata [, follow])
 The @code{stat()} function provides a hook into the
 @code{stat()} system call.
@@ -32369,7 +32369,7 @@ or
 Not all systems support all file types.
 @end multitable
 
-@cindex @code{fts} extension function
+@cindex @code{fts()} extension function
 @item flags = or(FTS_PHYSICAL, ...)
 @itemx result = fts(pathlist, flags, filedata)
 Walk the file trees provided in @code{pathlist} and fill in the
@@ -32490,7 +32490,7 @@ See @file{test/fts.awk} in the @command{gawk} distribution for an example.
 @node Extension Sample Fnmatch
 @subsection Interface To @code{fnmatch()}
 
-@cindex @code{fnmatch} extension function
+@cindex @code{fnmatch()} extension function
 This extension provides an interface to the C library
 @code{fnmatch()} function.  The usage is:
 
@@ -32563,7 +32563,7 @@ The @code{fork} extension adds three functions, as follows.
 @item @@load "fork"
 This is how you load the extension.
 
-@cindex @code{fork} extension function
+@cindex @code{fork()} extension function
 @item pid = fork()
 This function creates a new process. The return value is the zero in the
 child and the process-id number of the child in the parent, or @minus{}1
@@ -32571,13 +32571,13 @@ upon error. In the latter case, @code{ERRNO} indicates the problem.
 In the child, @code{PROCINFO["pid"]} and @code{PROCINFO["ppid"]} are
 updated to reflect the correct values.
 
-@cindex @code{waitpid} extension function
+@cindex @code{waitpid()} extension function
 @item ret = waitpid(pid)
 This function takes a numeric argument, which is the process-id to
 wait for. The return value is that of the
 @code{waitpid()} system call.
 
-@cindex @code{wait} extension function
+@cindex @code{wait()} extension function
 @item ret = wait()
 This function waits for the first child to die.
 The return value is that of the
@@ -32664,11 +32664,11 @@ The @code{ordchr} extension adds two functions, named
 @item @@load "ordchr"
 This is how you load the extension.
 
-@cindex @code{ord} extension function
+@cindex @code{ord()} extension function
 @item number = ord(string)
 Return the numeric value of the first character in @code{string}.
 
-@cindex @code{chr} extension function
+@cindex @code{chr()} extension function
 @item char = chr(number)
 Return a string whose first character is that represented by @code{number}.
 @end table
@@ -32785,14 +32785,14 @@ The @code{rwarray} extension adds two functions,
 named @code{writea()} and @code{reada()}, as follows:
 
 @table @code
-@cindex @code{writea} extension function
+@cindex @code{writea()} extension function
 @item ret = writea(file, array)
 This function takes a string argument, which is the name of the file
 to which dump the array, and the array itself as the second argument.
 @code{writea()} understands multidimensional arrays.  It returns one on
 success, or zero upon failure.
 
-@cindex @code{reada} extension function
+@cindex @code{reada()} extension function
 @item ret = reada(file, array)
 @code{reada()} is the inverse of @code{writea()};
 it reads the file named as its first argument, filling in
@@ -32835,7 +32835,7 @@ named @code{readfile()}:
 @item @@load "readfile"
 This is how you load the extension.
 
-@cindex @code{readfile} extension function
+@cindex @code{readfile()} extension function
 @item result = readfile("/some/path")
 The argument is the name of the file to read.  The return value is a
 string containing the entire contents of the requested file.  Upon error,
@@ -32876,7 +32876,7 @@ inserting @samp{@@load "time"} in your script.
 @item @@load "time"
 This is how you load the extension.
 
-@cindex @code{gettimeofday} extension function
+@cindex @code{gettimeofday()} extension function
 @item the_time = gettimeofday()
 Return the time in seconds that has elapsed since 1970-01-01 UTC as a
 floating point value.  If the time is unavailable on this platform, return
@@ -32886,7 +32886,7 @@ If the standard C @code{gettimeofday()} system call is available on this
 platform, then it simply returns the value.  Otherwise, if on Windows,
 it tries to use @code{GetSystemTimeAsFileTime()}.
 
-@cindex @code{sleep} extension function
+@cindex @code{sleep()} extension function
 @item result = sleep(@var{seconds})
 Attempt to sleep for @var{seconds} seconds.  If @var{seconds} is negative,
 or the attempt to sleep fails, return @minus{}1 and set @code{ERRNO}.
diff --git a/doc/gawktexi.in b/doc/gawktexi.in
index 2e6928e0..b7a8e012 100644
--- a/doc/gawktexi.in
+++ b/doc/gawktexi.in
@@ -18708,7 +18708,7 @@ function _ord_init(    low, high, i, t)
 @cindex ASCII
 @cindex EBCDIC
 @cindex mark parity
-Some explanation of the numbers used by @code{chr} is worthwhile.
+Some explanation of the numbers used by @code{chr()} is worthwhile.
 The most prominent character set in use today is ASCII.@footnote{This
 is changing; many systems use Unicode, a very large character set
 that includes ASCII as a subset.  On systems with full Unicode support,
@@ -31421,14 +31421,14 @@ The usage is:
 @item @@load "filefuncs"
 This is how you load the extension.
 
-@cindex @code{chdir} extension function
+@cindex @code{chdir()} extension function
 @item result = chdir("/some/directory")
 The @code{chdir()} function is a direct hook to the @code{chdir()}
 system call to change the current directory.  It returns zero
 upon success or less than zero upon error.  In the latter case it updates
 @code{ERRNO}.
 
-@cindex @code{stat} extension function
+@cindex @code{stat()} extension function
 @item result = stat("/some/path", statdata [, follow])
 The @code{stat()} function provides a hook into the
 @code{stat()} system call.
@@ -31518,7 +31518,7 @@ or
 Not all systems support all file types.
 @end multitable
 
-@cindex @code{fts} extension function
+@cindex @code{fts()} extension function
 @item flags = or(FTS_PHYSICAL, ...)
 @itemx result = fts(pathlist, flags, filedata)
 Walk the file trees provided in @code{pathlist} and fill in the
@@ -31639,7 +31639,7 @@ See @file{test/fts.awk} in the @command{gawk} distribution for an example.
 @node Extension Sample Fnmatch
 @subsection Interface To @code{fnmatch()}
 
-@cindex @code{fnmatch} extension function
+@cindex @code{fnmatch()} extension function
 This extension provides an interface to the C library
 @code{fnmatch()} function.  The usage is:
 
@@ -31712,7 +31712,7 @@ The @code{fork} extension adds three functions, as follows.
 @item @@load "fork"
 This is how you load the extension.
 
-@cindex @code{fork} extension function
+@cindex @code{fork()} extension function
 @item pid = fork()
 This function creates a new process. The return value is the zero in the
 child and the process-id number of the child in the parent, or @minus{}1
@@ -31720,13 +31720,13 @@ upon error. In the latter case, @code{ERRNO} indicates the problem.
 In the child, @code{PROCINFO["pid"]} and @code{PROCINFO["ppid"]} are
 updated to reflect the correct values.
 
-@cindex @code{waitpid} extension function
+@cindex @code{waitpid()} extension function
 @item ret = waitpid(pid)
 This function takes a numeric argument, which is the process-id to
 wait for. The return value is that of the
 @code{waitpid()} system call.
 
-@cindex @code{wait} extension function
+@cindex @code{wait()} extension function
 @item ret = wait()
 This function waits for the first child to die.
 The return value is that of the
@@ -31813,11 +31813,11 @@ The @code{ordchr} extension adds two functions, named
 @item @@load "ordchr"
 This is how you load the extension.
 
-@cindex @code{ord} extension function
+@cindex @code{ord()} extension function
 @item number = ord(string)
 Return the numeric value of the first character in @code{string}.
 
-@cindex @code{chr} extension function
+@cindex @code{chr()} extension function
 @item char = chr(number)
 Return a string whose first character is that represented by @code{number}.
 @end table
@@ -31934,14 +31934,14 @@ The @code{rwarray} extension adds two functions,
 named @code{writea()} and @code{reada()}, as follows:
 
 @table @code
-@cindex @code{writea} extension function
+@cindex @code{writea()} extension function
 @item ret = writea(file, array)
 This function takes a string argument, which is the name of the file
 to which dump the array, and the array itself as the second argument.
 @code{writea()} understands multidimensional arrays.  It returns one on
 success, or zero upon failure.
 
-@cindex @code{reada} extension function
+@cindex @code{reada()} extension function
 @item ret = reada(file, array)
 @code{reada()} is the inverse of @code{writea()};
 it reads the file named as its first argument, filling in
@@ -31984,7 +31984,7 @@ named @code{readfile()}:
 @item @@load "readfile"
 This is how you load the extension.
 
-@cindex @code{readfile} extension function
+@cindex @code{readfile()} extension function
 @item result = readfile("/some/path")
 The argument is the name of the file to read.  The return value is a
 string containing the entire contents of the requested file.  Upon error,
@@ -32025,7 +32025,7 @@ inserting @samp{@@load "time"} in your script.
 @item @@load "time"
 This is how you load the extension.
 
-@cindex @code{gettimeofday} extension function
+@cindex @code{gettimeofday()} extension function
 @item the_time = gettimeofday()
 Return the time in seconds that has elapsed since 1970-01-01 UTC as a
 floating point value.  If the time is unavailable on this platform, return
@@ -32035,7 +32035,7 @@ If the standard C @code{gettimeofday()} system call is available on this
 platform, then it simply returns the value.  Otherwise, if on Windows,
 it tries to use @code{GetSystemTimeAsFileTime()}.
 
-@cindex @code{sleep} extension function
+@cindex @code{sleep()} extension function
 @item result = sleep(@var{seconds})
 Attempt to sleep for @var{seconds} seconds.  If @var{seconds} is negative,
 or the attempt to sleep fails, return @minus{}1 and set @code{ERRNO}.