[gdb] Add 'Concept Index' entry '&' for background execution

GDB's execution commands have a foreground and background variant: f.i.,
there's 'continue' and 'continue&', and both are listed individually in the
'Command, Variable, and Function Index'.  But the '&' is not listed in the
'Concept Index' as being connected with the concept background execution.

This patch adds an '&' in the 'Concept Index':
...
 * $_, $__, and value history:            Memory.             (line  119)
+* &, background execution of commands:   Background Execution.
+                                                             (line   16)
 * --annotate:                            Mode Options.       (line  121)
...
pointing to this line in 'Background Execution':
...
   To specify background execution, add a '&' to the command.
...

Build on x86_64.

2018-06-14  Tom de Vries  <tdevries@suse.de>

	* gdb.texinfo (Background Execution): Add @cindex for '&'.

diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index 73c3075..ade1799 100644 (file)
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,7 @@
+2018-06-14  Tom de Vries  <tdevries@suse.de>
+
+       * gdb.texinfo (Background Execution): Add @cindex for '&'.
+
 2018-06-11  Eli Zaretskii  <eliz@gnu.org>
 
        * gdb.texinfo (Maintenance Commands): Add a missing @anchor.

diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 2b56b5a..d5d5fce 100644 (file)
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -6319,6 +6319,7 @@ a command prompt so that you can issue other commands while your program runs.
 If the target doesn't support async mode, @value{GDBN} issues an error
 message if you attempt to use the background execution commands.
 
+@cindex @code{&}
 To specify background execution, add a @code{&} to the command.  For example,
 the background form of the @code{continue} command is @code{continue&}, or
 just @code{c&}.  The execution commands that accept background execution