Exclude exercises from print edition.

1 files changed, 37 insertions, 7 deletions

diff --git a/doc/gawk.texi b/doc/gawk.texi
index d9ce25e9..8068eda5 100644
--- a/doc/gawk.texi
+++ b/doc/gawk.texi
@@ -575,7 +575,9 @@ particular records in a file and perform operations upon them.
 * Command-line directories::            What happens if you put a directory on
                                         the command line.
 * Input Summary::                       Input summary.
+@ifclear FOR_PRINT
 * Input Exercises::                     Exercises.
+@end ifclear
 * Print::                               The @code{print} statement.
 * Print Examples::                      Simple examples of @code{print}
                                         statements.
@@ -600,7 +602,9 @@ particular records in a file and perform operations upon them.
 * Close Files And Pipes::               Closing Input and Output Files and
                                         Pipes.
 * Output Summary::                      Output summary.
-* Output exercises::                    Exercises.
+@ifclear FOR_PRINT
+* Output Exercises::                    Exercises.
+@end ifclear
 * Values::                              Constants, Variables, and Regular
                                         Expressions.
 * Constants::                           String, numeric and regexp constants.
@@ -787,7 +791,9 @@ particular records in a file and perform operations upon them.
                                         information.
 * Walking Arrays::                      A function to walk arrays of arrays.
 * Library Functions Summary::           Summary of library functions.
-* Library exercises::                   Exercises.
+@ifclear FOR_PRINT
+* Library Exercises::                   Exercises.
+@end ifclear
 * Running Examples::                    How to run these examples.
 * Clones::                              Clones of common utilities.
 * Cut Program::                         The @command{cut} utility.
@@ -818,7 +824,9 @@ particular records in a file and perform operations upon them.
 * Signature Program::                   People do amazing things with too much
                                         time on their hands.
 * Programs Summary::                    Summary of programs.
+@ifclear FOR_PRINT
 * Programs Exercises::                  Exercises.
+@end ifclear
 * Nondecimal Data::                     Allowing nondecimal input data.
 * Array Sorting::                       Facilities for controlling array
                                         traversal and sorting arrays.
@@ -940,7 +948,9 @@ particular records in a file and perform operations upon them.
                                         and @code{sleep()}.
 * gawkextlib::                          The @code{gawkextlib} project.
 * Extension summary::                   Extension summary.
+@ifclear FOR_PRINT
 * Extension Exercises::                 Exercises.
+@end ifclear
 * V7/SVR3.1::                           The major changes between V7 and
                                         System V Release 3.1.
 * SVR4::                                Minor changes between System V
@@ -6124,7 +6134,9 @@ used with it do not have to be named on the @command{awk} command line
 * Command-line directories::    What happens if you put a directory on the
                                 command line.
 * Input Summary::               Input summary.
+@ifclear FOR_PRINT
 * Input Exercises::             Exercises.
+@end ifclear
 @end menu
 
 @node Records
@@ -8670,6 +8682,7 @@ Directories on the command line are fatal for standard @command{awk};
 
 @end itemize
 
+@ifclear FOR_PRINT
 @node Input Exercises
 @section Exercises
 
@@ -8689,6 +8702,7 @@ starts later on the same line.
 Write a program that does handle multiple comments on the line.
 
 @end enumerate
+@end ifclear
 
 @node Printing
 @chapter Printing Output
@@ -8730,7 +8744,9 @@ and discusses the @code{close()} built-in function.
                                 descriptors.
 * Close Files And Pipes::       Closing Input and Output Files and Pipes.
 * Output Summary::              Output summary.
-* Output exercises::            Exercises.
+@ifclear FOR_PRINT
+* Output Exercises::            Exercises.
+@end ifclear
 @end menu
 
 @node Print
@@ -10241,7 +10257,8 @@ communications.
 
 @end itemize
 
-@node Output exercises
+@ifclear FOR_PRINT
+@node Output Exercises
 @section Exercises
 
 @enumerate
@@ -10270,6 +10287,7 @@ BEGIN @{ print "Serious error detected!" > /dev/stderr @}
 @end example
 
 @end enumerate
+@end ifclear
 
 @c ENDOFRANGE prnt
 
@@ -19068,7 +19086,7 @@ them, i.e., to tell @command{awk} what they should do.
 
 @quotation
 It's entirely fair to say that the @command{awk} syntax for local
-variable definitions is appallingly awful
+variable definitions is appallingly awful.
 @author Brian Kernighan
 @end quotation
 
@@ -20284,7 +20302,9 @@ comparisons use only lowercase letters.
 * Group Functions::             Functions for getting group information.
 * Walking Arrays::              A function to walk arrays of arrays.
 * Library Functions Summary::   Summary of library functions.
-* Library exercises::           Exercises.
+@ifclear FOR_PRINT
+* Library Exercises::           Exercises.
+@end ifclear
 @end menu
 
 @node Library Names
@@ -22701,7 +22721,8 @@ A simple function to traverse an array of arrays to any depth.
 
 @end itemize
 
-@node Library exercises
+@ifclear FOR_PRINT
+@node Library Exercises
 @section Exercises
 
 @enumerate
@@ -22767,6 +22788,7 @@ Test your new version by printing the array; you should end up with
 output identical to that of the original version.
 
 @end enumerate
+@end ifclear
 
 @c ENDOFRANGE flib
 @c ENDOFRANGE fudlib
@@ -22811,7 +22833,9 @@ Many of these programs use library functions presented in
 * Clones::                      Clones of common utilities.
 * Miscellaneous Programs::      Some interesting @command{awk} programs.
 * Programs Summary::            Summary of programs.
+@ifclear FOR_PRINT
 * Programs Exercises::          Exercises.
+@end ifclear
 @end menu
 
 @node Running Examples
@@ -26247,6 +26271,7 @@ mailing labels, and finding anagrams.
 
 @end itemize
 
+@ifclear FOR_PRINT
 @node Programs Exercises
 @section Exercises
 
@@ -26376,6 +26401,7 @@ Modify @file{anagram.awk} (@pxref{Anagram Program}), to avoid
 the use of the external @command{sort} utility.
 
 @end enumerate
+@end ifclear
 
 @ifnotinfo
 @part @value{PART3}Moving Beyond Standard @command{awk} With @command{gawk}
@@ -30778,7 +30804,9 @@ When @option{--sandbox} is specified, extensions are disabled
                                 @code{gawk}.
 * gawkextlib::                  The @code{gawkextlib} project.
 * Extension summary::           Extension summary.
+@ifclear FOR_PRINT
 * Extension Exercises::         Exercises.
+@end ifclear
 @end menu
 
 @node Extension Intro
@@ -34715,6 +34743,7 @@ should be the place to do so.
 
 @end itemize
 
+@ifclear FOR_PRINT
 @node Extension Exercises
 @section Exercises
 
@@ -34737,6 +34766,7 @@ Write a wrapper script that provides an interface similar to
 @ref{Extension Sample Inplace}.
 
 @end enumerate
+@end ifclear
 
 @ifnotinfo
 @part @value{PART4}Appendices