[PATCH][TEST-CASE][DOC] Implementation of pipe to pass GDB's command output to the shell.

[Eli Zaretskii]

> Date: Tue, 30 Aug 2011 20:18:41 +0530
> From: Abhijit Halder <abhijit.k.halder@gmail.com>
> Cc: Eli Zaretskii <eliz@gnu.org>, gdb-patches@sourceware.org, sergiodj@redhat.com, 
> 	jan.kratochvil@redhat.com, tromey@redhat.com
> 
> In gdb.texinfo file I have seen @cindex and @kindex markup. Someone
> please tell me the significance of them.

Each one adds an entry to a different index: @cindex to the Concept
Index section, @kindex to the Command Index.