Update doc on -b.

3 files changed, 454 insertions, 444 deletions

diff --git a/doc/ChangeLog b/doc/ChangeLog
index 4d178867..8a1b004d 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,5 +1,9 @@
 2012-04-27         Arnold D. Robbins     <arnold@skeeve.com>
 
+	* gawk.texi: Add that -b affects output.
+
+2012-04-27         Arnold D. Robbins     <arnold@skeeve.com>
+
 	* texinfo.tex: Update to latest from automake 1.12.
 
 2012-04-09         Arnold D. Robbins     <arnold@skeeve.com>
diff --git a/doc/gawk.info b/doc/gawk.info
index a33027cd..397daab6 100644
--- a/doc/gawk.info
+++ b/doc/gawk.info
@@ -2182,6 +2182,9 @@ The following list describes options mandated by the POSIX standard:
 `-b'
 `--characters-as-bytes'
      Cause `gawk' to treat all input data as single-byte characters.
+     In addition, all output written with `print' or `printf' are
+     treated as single-byte characters.
+
      Normally, `gawk' follows the POSIX standard and attempts to process
      its input data according to the current locale. This can often
      involve converting multibyte characters into wide characters
@@ -24721,73 +24724,73 @@ Index
 * - (hyphen), filenames beginning with:  Options.             (line  59)
 * - (hyphen), in bracket expressions:    Bracket Expressions. (line  17)
 * --assign option:                       Options.             (line  32)
-* --c option:                            Options.             (line  78)
+* --c option:                            Options.             (line  81)
 * --characters-as-bytes option:          Options.             (line  68)
-* --command option:                      Options.             (line 231)
-* --copyright option:                    Options.             (line  85)
+* --command option:                      Options.             (line 234)
+* --copyright option:                    Options.             (line  88)
 * --disable-lint configuration option:   Additional Configuration Options.
                                                               (line   9)
 * --disable-nls configuration option:    Additional Configuration Options.
                                                               (line  24)
 * --dump-variables option <1>:           Library Names.       (line  45)
-* --dump-variables option:               Options.             (line  90)
-* --exec option:                         Options.             (line 113)
+* --dump-variables option:               Options.             (line  93)
+* --exec option:                         Options.             (line 116)
 * --field-separator option:              Options.             (line  21)
 * --file option:                         Options.             (line  25)
 * --gen-pot option <1>:                  String Extraction.   (line   6)
-* --gen-pot option:                      Options.             (line 135)
-* --help option:                         Options.             (line 142)
-* --L option:                            Options.             (line 245)
-* --lint option <1>:                     Options.             (line 147)
+* --gen-pot option:                      Options.             (line 138)
+* --help option:                         Options.             (line 145)
+* --L option:                            Options.             (line 248)
+* --lint option <1>:                     Options.             (line 150)
 * --lint option:                         Command Line.        (line  20)
-* --lint-old option:                     Options.             (line 245)
+* --lint-old option:                     Options.             (line 248)
 * --non-decimal-data option <1>:         Nondecimal Data.     (line   6)
-* --non-decimal-data option:             Options.             (line 166)
+* --non-decimal-data option:             Options.             (line 169)
 * --non-decimal-data option, strtonum() function and: Nondecimal Data.
                                                               (line  36)
-* --optimize option:                     Options.             (line 179)
-* --posix option:                        Options.             (line 199)
-* --posix option, --traditional option and: Options.          (line 218)
+* --optimize option:                     Options.             (line 182)
+* --posix option:                        Options.             (line 202)
+* --posix option, --traditional option and: Options.          (line 221)
 * --profile option <1>:                  Profiling.           (line  15)
-* --profile option:                      Options.             (line 186)
-* --re-interval option:                  Options.             (line 224)
-* --sandbox option:                      Options.             (line 236)
+* --profile option:                      Options.             (line 189)
+* --re-interval option:                  Options.             (line 227)
+* --sandbox option:                      Options.             (line 239)
 * --sandbox option, disabling system() function: I/O Functions.
                                                               (line  85)
 * --sandbox option, input redirection with getline: Getline.  (line  19)
 * --sandbox option, output redirection with print, printf: Redirection.
                                                               (line   6)
-* --source option:                       Options.             (line 105)
-* --traditional option:                  Options.             (line  78)
-* --traditional option, --posix option and: Options.          (line 218)
-* --use-lc-numeric option:               Options.             (line 174)
-* --version option:                      Options.             (line 250)
+* --source option:                       Options.             (line 108)
+* --traditional option:                  Options.             (line  81)
+* --traditional option, --posix option and: Options.          (line 221)
+* --use-lc-numeric option:               Options.             (line 177)
+* --version option:                      Options.             (line 253)
 * --with-whiny-user-strftime configuration option: Additional Configuration Options.
                                                               (line  29)
 * -b option:                             Options.             (line  68)
-* -C option:                             Options.             (line  85)
-* -d option:                             Options.             (line  90)
-* -E option:                             Options.             (line 113)
-* -e option:                             Options.             (line 105)
+* -C option:                             Options.             (line  88)
+* -d option:                             Options.             (line  93)
+* -E option:                             Options.             (line 116)
+* -e option:                             Options.             (line 108)
 * -F option:                             Command Line Field Separator.
                                                               (line   6)
 * -f option:                             Options.             (line  25)
 * -F option:                             Options.             (line  21)
 * -f option:                             Long.                (line  12)
-* -F option, -Ft sets FS to TAB:         Options.             (line 258)
-* -f option, on command line:            Options.             (line 263)
-* -g option:                             Options.             (line 135)
-* -h option:                             Options.             (line 142)
-* -l option:                             Options.             (line 147)
-* -N option:                             Options.             (line 174)
-* -n option:                             Options.             (line 166)
-* -O option:                             Options.             (line 179)
-* -P option:                             Options.             (line 199)
-* -p option:                             Options.             (line 186)
-* -R option:                             Options.             (line 231)
-* -r option:                             Options.             (line 224)
-* -S option:                             Options.             (line 236)
-* -V option:                             Options.             (line 250)
+* -F option, -Ft sets FS to TAB:         Options.             (line 261)
+* -f option, on command line:            Options.             (line 266)
+* -g option:                             Options.             (line 138)
+* -h option:                             Options.             (line 145)
+* -l option:                             Options.             (line 150)
+* -N option:                             Options.             (line 177)
+* -n option:                             Options.             (line 169)
+* -O option:                             Options.             (line 182)
+* -P option:                             Options.             (line 202)
+* -p option:                             Options.             (line 189)
+* -R option:                             Options.             (line 234)
+* -r option:                             Options.             (line 227)
+* -S option:                             Options.             (line 239)
+* -V option:                             Options.             (line 253)
 * -v option:                             Options.             (line  32)
 * -v option, variables, assigning:       Assignment Options.  (line  12)
 * -W option:                             Options.             (line  46)
@@ -25059,7 +25062,7 @@ Index
 * awk programs, location of:             Options.             (line  25)
 * awk programs, one-line examples:       Very Simple.         (line  45)
 * awk programs, profiling:               Profiling.           (line   6)
-* awk programs, profiling, enabling:     Options.             (line 186)
+* awk programs, profiling, enabling:     Options.             (line 189)
 * awk programs, running <1>:             Long.                (line   6)
 * awk programs, running:                 Running gawk.        (line   6)
 * awk programs, running, from shell scripts: One-shot.        (line  22)
@@ -25101,7 +25104,7 @@ Index
 * AWKPATH environment variable:          AWKPATH Variable.    (line   6)
 * awkprof.out file:                      Profiling.           (line  10)
 * awksed.awk program:                    Simple Sed.          (line  25)
-* awkvars.out file:                      Options.             (line  90)
+* awkvars.out file:                      Options.             (line  93)
 * b debugger command (alias for break):  Breakpoint Control.  (line  11)
 * backslash (\) <1>:                     Regexp Operators.    (line  18)
 * backslash (\) <2>:                     Quoting.             (line  31)
@@ -25268,7 +25271,7 @@ Index
 * case sensitivity, regexps and <1>:     User-modified.       (line  82)
 * case sensitivity, regexps and:         Case-sensitivity.    (line   6)
 * case sensitivity, string comparisons and: User-modified.    (line  82)
-* CGI, awk scripts for:                  Options.             (line 113)
+* CGI, awk scripts for:                  Options.             (line 116)
 * character lists, See bracket expressions: Regexp Operators. (line  55)
 * character sets (machine character encodings) <1>: Glossary. (line 141)
 * character sets (machine character encodings): Ordinal Functions.
@@ -25354,7 +25357,7 @@ Index
                                                               (line  60)
 * compatibility mode (gawk), octal numbers: Nondecimal-numbers.
                                                               (line  60)
-* compatibility mode (gawk), specifying: Options.             (line  78)
+* compatibility mode (gawk), specifying: Options.             (line  81)
 * compiled programs <1>:                 Glossary.            (line 161)
 * compiled programs:                     Basic High Level.    (line  14)
 * compiling gawk for Cygwin:             Cygwin.              (line   6)
@@ -25399,7 +25402,7 @@ Index
 * cos() function:                        Numeric Functions.   (line  15)
 * counting:                              Wc Program.          (line   6)
 * csh utility:                           Statements/Lines.    (line  44)
-* csh utility, POSIXLY_CORRECT environment variable: Options. (line 305)
+* csh utility, POSIXLY_CORRECT environment variable: Options. (line 308)
 * csh utility, |& operator, comparison with: Two-way I/O.     (line  44)
 * ctime() user-defined function:         Function Example.    (line  72)
 * currency symbols, localization:        Explaining gettext.  (line 103)
@@ -25567,7 +25570,7 @@ Index
 * debugger commands, watch:              Viewing And Changing Data.
                                                               (line  67)
 * debugging gawk, bug reports:           Bugs.                (line   9)
-* decimal point character, locale specific: Options.          (line 215)
+* decimal point character, locale specific: Options.          (line 218)
 * decrement operators:                   Increment Ops.       (line  35)
 * default keyword:                       Switch Statement.    (line   6)
 * Deifik, Scott <1>:                     Bugs.                (line  70)
@@ -25863,7 +25866,7 @@ Index
 * files, as single records:              Records.             (line 196)
 * files, awk programs in:                Long.                (line   6)
 * files, awkprof.out:                    Profiling.           (line  10)
-* files, awkvars.out:                    Options.             (line  90)
+* files, awkvars.out:                    Options.             (line  93)
 * files, closing:                        I/O Functions.       (line  10)
 * files, descriptors, See file descriptors: Special FD.       (line   6)
 * files, group:                          Group Functions.     (line   6)
@@ -25891,7 +25894,7 @@ Index
 * files, portable object template:       Explaining gettext.  (line  30)
 * files, portable object, converting to message object files: I18N Example.
                                                               (line  62)
-* files, portable object, generating:    Options.             (line 135)
+* files, portable object, generating:    Options.             (line 138)
 * files, processing, ARGIND variable and: Auto-set.           (line  47)
 * files, reading:                        Rewind Function.     (line   6)
 * files, reading, multiline records:     Multiple Line.       (line   6)
@@ -25947,7 +25950,7 @@ Index
 * FS variable, --field-separator option and: Options.         (line  21)
 * FS variable, as null string:           Single Character Fields.
                                                               (line  20)
-* FS variable, as TAB character:         Options.             (line 211)
+* FS variable, as TAB character:         Options.             (line 214)
 * FS variable, changing value of:        Field Separators.    (line  34)
 * FS variable, running awk programs and: Cut Program.         (line  68)
 * FS variable, setting from command line: Command Line Field Separator.
@@ -26032,7 +26035,7 @@ Index
                                                               (line 139)
 * gawk, ERRNO variable in:               Getline.             (line  19)
 * gawk, escape sequences:                Escape Sequences.    (line 125)
-* gawk, extensions, disabling:           Options.             (line 199)
+* gawk, extensions, disabling:           Options.             (line 202)
 * gawk, features, adding:                Adding Code.         (line   6)
 * gawk, features, advanced:              Advanced Features.   (line   6)
 * gawk, fflush() function in:            I/O Functions.       (line  44)
@@ -26096,7 +26099,7 @@ Index
 * gawk, TEXTDOMAIN variable in:          User-modified.       (line 153)
 * gawk, timestamps:                      Time Functions.      (line   6)
 * gawk, uses for:                        Preface.             (line  36)
-* gawk, versions of, information about, printing: Options.    (line 250)
+* gawk, versions of, information about, printing: Options.    (line 253)
 * gawk, VMS version of:                  VMS Installation.    (line   6)
 * gawk, word-boundary operator:          GNU Regexp Operators.
                                                               (line  63)
@@ -26157,7 +26160,7 @@ Index
 * GNU Lesser General Public License:     Glossary.            (line 397)
 * GNU long options <1>:                  Options.             (line   6)
 * GNU long options:                      Command Line.        (line  13)
-* GNU long options, printing list of:    Options.             (line 142)
+* GNU long options, printing list of:    Options.             (line 145)
 * GNU Project <1>:                       Glossary.            (line 319)
 * GNU Project:                           Manual History.      (line  11)
 * GNU/Linux <1>:                         Glossary.            (line 611)
@@ -26165,7 +26168,7 @@ Index
 * GNU/Linux:                             Manual History.      (line  28)
 * GPL (General Public License) <1>:      Glossary.            (line 310)
 * GPL (General Public License):          Manual History.      (line  11)
-* GPL (General Public License), printing: Options.            (line  85)
+* GPL (General Public License), printing: Options.            (line  88)
 * grcat program:                         Group Functions.     (line  16)
 * Grigera, Juan:                         Contributors.        (line  58)
 * group database, reading:               Group Functions.     (line   6)
@@ -26188,7 +26191,7 @@ Index
 * help debugger command:                 Miscellaneous Dgawk Commands.
                                                               (line  68)
 * hexadecimal numbers:                   Nondecimal-numbers.  (line   6)
-* hexadecimal values, enabling interpretation of: Options.    (line 166)
+* hexadecimal values, enabling interpretation of: Options.    (line 169)
 * histsort.awk program:                  History Sorting.     (line  25)
 * Hughes, Phil:                          Acknowledgments.     (line  43)
 * HUP signal:                            Profiling.           (line 204)
@@ -26409,9 +26412,9 @@ Index
 * lint checking, array subscripts:       Uninitialized Subscripts.
                                                               (line  43)
 * lint checking, empty programs:         Command Line.        (line  16)
-* lint checking, issuing warnings:       Options.             (line 147)
+* lint checking, issuing warnings:       Options.             (line 150)
 * lint checking, POSIXLY_CORRECT environment variable: Options.
-                                                              (line 289)
+                                                              (line 292)
 * lint checking, undefined functions:    Pass By Value/Reference.
                                                               (line  88)
 * LINT variable:                         User-modified.       (line  98)
@@ -26422,7 +26425,7 @@ Index
                                                               (line  74)
 * local variables:                       Variable Scope.      (line   6)
 * locale categories:                     Explaining gettext.  (line  80)
-* locale decimal point character:        Options.             (line 215)
+* locale decimal point character:        Options.             (line 218)
 * locale, definition of:                 Locales.             (line   6)
 * localization:                          I18N and L10N.       (line   6)
 * localization, See internationalization, localization: I18N and L10N.
@@ -26490,7 +26493,7 @@ Index
 * networks, programming:                 TCP/IP Networking.   (line   6)
 * networks, support for:                 Special Network.     (line   6)
 * newlines <1>:                          Boolean Ops.         (line  67)
-* newlines <2>:                          Options.             (line 205)
+* newlines <2>:                          Options.             (line 208)
 * newlines:                              Statements/Lines.    (line   6)
 * newlines, as field separators:         Default Field Splitting.
                                                               (line   6)
@@ -26570,7 +26573,7 @@ Index
 * oawk utility:                          Names.               (line  17)
 * obsolete features:                     Obsolete.            (line   6)
 * octal numbers:                         Nondecimal-numbers.  (line   6)
-* octal values, enabling interpretation of: Options.          (line 166)
+* octal values, enabling interpretation of: Options.          (line 169)
 * OFMT variable <1>:                     User-modified.       (line 115)
 * OFMT variable <2>:                     Conversion.          (line  55)
 * OFMT variable:                         OFMT.                (line  15)
@@ -26623,7 +26626,7 @@ Index
 * options, deprecated:                   Obsolete.            (line   6)
 * options, long <1>:                     Options.             (line   6)
 * options, long:                         Command Line.        (line  13)
-* options, printing list of:             Options.             (line 142)
+* options, printing list of:             Options.             (line 145)
 * OR bitwise operation:                  Bitwise Functions.   (line   6)
 * or Boolean-logic operator:             Boolean Ops.         (line   6)
 * or() function (gawk):                  Bitwise Functions.   (line  48)
@@ -26718,13 +26721,13 @@ Index
 * portability, NF variable, decrementing: Changing Fields.    (line 115)
 * portability, operators:                Increment Ops.       (line  61)
 * portability, operators, not in POSIX awk: Precedence.       (line  98)
-* portability, POSIXLY_CORRECT environment variable: Options. (line 310)
+* portability, POSIXLY_CORRECT environment variable: Options. (line 313)
 * portability, substr() function:        String Functions.    (line 512)
 * portable object files <1>:             Translator i18n.     (line   6)
 * portable object files:                 Explaining gettext.  (line  36)
 * portable object files, converting to message object files: I18N Example.
                                                               (line  62)
-* portable object files, generating:     Options.             (line 135)
+* portable object files, generating:     Options.             (line 138)
 * portable object template files:        Explaining gettext.  (line  30)
 * porting gawk:                          New Ports.           (line   6)
 * positional specifiers, printf statement <1>: Printf Ordering.
@@ -26768,11 +26771,11 @@ Index
 * POSIX awk, regular expressions and:    Regexp Operators.    (line 161)
 * POSIX awk, timestamps and:             Time Functions.      (line   6)
 * POSIX awk, | I/O operator and:         Getline/Pipe.        (line  52)
-* POSIX mode:                            Options.             (line 199)
+* POSIX mode:                            Options.             (line 202)
 * POSIX, awk and:                        Preface.             (line  23)
 * POSIX, gawk extensions not included in: POSIX/GNU.          (line   6)
 * POSIX, programs, implementing in awk:  Clones.              (line   6)
-* POSIXLY_CORRECT environment variable:  Options.             (line 289)
+* POSIXLY_CORRECT environment variable:  Options.             (line 292)
 * precedence <1>:                        Precedence.          (line   6)
 * precedence:                            Increment Ops.       (line  61)
 * precedence, regexp operators:          Regexp Operators.    (line 156)
@@ -26806,7 +26809,7 @@ Index
 * printf statement, sprintf() function and: Round Function.   (line   6)
 * printf statement, syntax of:           Basic Printf.        (line   6)
 * printing:                              Printing.            (line   6)
-* printing, list of options:             Options.             (line 142)
+* printing, list of options:             Options.             (line 145)
 * printing, mailing labels:              Labels Program.      (line   6)
 * printing, unduplicated lines of text:  Uniq Program.        (line   6)
 * printing, user information:            Id Program.          (line   6)
@@ -26929,7 +26932,7 @@ Index
                                                               (line  59)
 * regular expressions, gawk, command-line options: GNU Regexp Operators.
                                                               (line  70)
-* regular expressions, interval expressions and: Options.     (line 224)
+* regular expressions, interval expressions and: Options.     (line 227)
 * regular expressions, leftmost longest match: Leftmost Longest.
                                                               (line   6)
 * regular expressions, operators <1>:    Regexp Operators.    (line   6)
@@ -27003,7 +27006,7 @@ Index
 * rvalues/lvalues:                       Assignment Ops.      (line  32)
 * s debugger command (alias for step):   Dgawk Execution Control.
                                                               (line  68)
-* sandbox mode:                          Options.             (line 236)
+* sandbox mode:                          Options.             (line 239)
 * scalar values:                         Basic Data Typing.   (line  13)
 * Schorr, Andrew:                        Acknowledgments.     (line  60)
 * Schreiber, Bert:                       Acknowledgments.     (line  38)
@@ -27099,7 +27102,7 @@ Index
 * source code, jawk:                     Other Versions.      (line  96)
 * source code, libmawk:                  Other Versions.      (line 104)
 * source code, mawk:                     Other Versions.      (line  35)
-* source code, mixing:                   Options.             (line 105)
+* source code, mixing:                   Options.             (line 108)
 * source code, pawk:                     Other Versions.      (line  69)
 * source code, QSE Awk:                  Other Versions.      (line 108)
 * source code, QuikTrim Awk:             Other Versions.      (line 112)
@@ -27238,7 +27241,7 @@ Index
 * trace debugger command:                Miscellaneous Dgawk Commands.
                                                               (line 110)
 * translate.awk program:                 Translate Program.   (line  55)
-* troubleshooting, --non-decimal-data option: Options.        (line 166)
+* troubleshooting, --non-decimal-data option: Options.        (line 169)
 * troubleshooting, == operator:          Comparison Operators.
                                                               (line  37)
 * troubleshooting, awk uses FS not IFS:  Field Separators.    (line  29)
@@ -27270,7 +27273,7 @@ Index
 * troubleshooting, substr() function:    String Functions.    (line 499)
 * troubleshooting, system() function:    I/O Functions.       (line  85)
 * troubleshooting, typographical errors, global variables: Options.
-                                                              (line  95)
+                                                              (line  98)
 * true, logical:                         Truth Values.        (line   6)
 * Trueman, David <1>:                    Contributors.        (line  31)
 * Trueman, David <2>:                    Acknowledgments.     (line  47)
@@ -27341,7 +27344,7 @@ Index
                                                               (line   6)
 * variables, getline command into, using: Getline/Variable.   (line   6)
 * variables, global, for library functions: Library Names.    (line  11)
-* variables, global, printing list of:   Options.             (line  90)
+* variables, global, printing list of:   Options.             (line  93)
 * variables, initializing:               Using Variables.     (line  20)
 * variables, local:                      Variable Scope.      (line   6)
 * variables, names of:                   Arrays.              (line  18)
@@ -27371,7 +27374,7 @@ Index
 * Wall, Larry <1>:                       Future Extensions.   (line   6)
 * Wall, Larry:                           Array Intro.         (line   6)
 * Wallin, Anders:                        Acknowledgments.     (line  60)
-* warnings, issuing:                     Options.             (line 147)
+* warnings, issuing:                     Options.             (line 150)
 * watch debugger command:                Viewing And Changing Data.
                                                               (line  67)
 * wc utility:                            Wc Program.          (line   6)
@@ -27383,7 +27386,7 @@ Index
 * whitespace, as field separators:       Default Field Splitting.
                                                               (line   6)
 * whitespace, functions, calling:        Calling Built-in.    (line  10)
-* whitespace, newlines as:               Options.             (line 205)
+* whitespace, newlines as:               Options.             (line 208)
 * Williams, Kent:                        Contributors.        (line  35)
 * Woehlke, Matthew:                      Contributors.        (line  79)
 * Woods, John:                           Contributors.        (line  28)
@@ -27479,376 +27482,376 @@ Node: When94993
 Node: Invoking Gawk97140
 Node: Command Line98525
 Node: Options99308
-Ref: Options-Footnote-1112745
-Node: Other Arguments112770
-Node: Naming Standard Input115428
-Node: Environment Variables116522
-Node: AWKPATH Variable116966
-Ref: AWKPATH Variable-Footnote-1119563
-Node: Other Environment Variables119823
-Node: Exit Status122163
-Node: Include Files122838
-Node: Obsolete126323
-Node: Undocumented127009
-Node: Regexp127250
-Node: Regexp Usage128639
-Node: Escape Sequences130665
-Node: Regexp Operators136428
-Ref: Regexp Operators-Footnote-1143808
-Ref: Regexp Operators-Footnote-2143955
-Node: Bracket Expressions144053
-Ref: table-char-classes145943
-Node: GNU Regexp Operators148466
-Node: Case-sensitivity152189
-Ref: Case-sensitivity-Footnote-1155157
-Ref: Case-sensitivity-Footnote-2155392
-Node: Leftmost Longest155500
-Node: Computed Regexps156701
-Node: Reading Files160111
-Node: Records162052
-Ref: Records-Footnote-1170726
-Node: Fields170763
-Ref: Fields-Footnote-1173796
-Node: Nonconstant Fields173882
-Node: Changing Fields176084
-Node: Field Separators182065
-Node: Default Field Splitting184694
-Node: Regexp Field Splitting185811
-Node: Single Character Fields189153
-Node: Command Line Field Separator190212
-Node: Field Splitting Summary193653
-Ref: Field Splitting Summary-Footnote-1196845
-Node: Constant Size196946
-Node: Splitting By Content201530
-Ref: Splitting By Content-Footnote-1205256
-Node: Multiple Line205296
-Ref: Multiple Line-Footnote-1211143
-Node: Getline211322
-Node: Plain Getline213550
-Node: Getline/Variable215639
-Node: Getline/File216780
-Node: Getline/Variable/File218102
-Ref: Getline/Variable/File-Footnote-1219701
-Node: Getline/Pipe219788
-Node: Getline/Variable/Pipe222348
-Node: Getline/Coprocess223455
-Node: Getline/Variable/Coprocess224698
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 End Tag Table
diff --git a/doc/gawk.texi b/doc/gawk.texi
index 83bd3b5d..b22f7ced 100644
--- a/doc/gawk.texi
+++ b/doc/gawk.texi
@@ -3055,6 +3055,9 @@ The following list describes @command{gawk}-specific options:
 @cindex @code{-b} option
 @cindex @code{--characters-as-bytes} option
 Cause @command{gawk} to treat all input data as single-byte characters.
+In addition, all output written with @code{print} or @code{printf}
+are treated as single-byte characters.
+
 Normally, @command{gawk} follows the POSIX standard and attempts to process
 its input data according to the current locale. This can often involve
 converting multibyte characters into wide characters (internally), and