Fix bug #17362 with inconsistent usage of @key and @kbd, and key names.

Fix bug #17362 with inconsistent usage of @key and @kbd, and key names.

 doc/emacs/trouble.texi (Quitting, DEL Does Not Delete, Emergency Escape)
 (Bug Criteria): Fix usage of @kbd and @key.  (Bug#17362)
 doc/emacs/text.texi (Words, Pages, Foldout, HTML Mode): Fix usage of @kbd
 and @key.
 doc/emacs/search.texi (Special Isearch, Regexp Search): Fix usage of @kbd
 and @key.
 doc/emacs/screen.texi (Echo Area, Menu Bar): Fix usage of @kbd and @key.
 doc/emacs/rmail.texi (Rmail Scrolling): Fix usage of @kbd and @key.
 doc/emacs/programs.texi (Hungry Delete, Other C Commands): Fix usage of
 @kbd and @key.
 doc/emacs/picture-xtra.texi (Insert in Picture): Fix usage of @kbd and
 @key.
 doc/emacs/mule.texi (Unibyte Mode, Bidirectional Editing): Fix usage of
 @kbd and @key.
 doc/emacs/msdog.texi (Windows Keyboard, Windows Processes): Fix usage of
 @kbd and @key.
 doc/emacs/msdog-xtra.texi (MS-DOS Keyboard, MS-DOS Printing)
 (MS-DOS Processes): Fix usage of @kbd and @key.
 doc/emacs/misc.texi (Shell Ring, Printing Package): Fix usage of @kbd and
 @key.
 doc/emacs/mini.texi (Completion Commands, Minibuffer History): Fix usage
 of @kbd and @key.
 doc/emacs/kmacro.texi (Keyboard Macro Step-Edit): Fix usage of @kbd and
 @key.
 doc/emacs/killing.texi (Deletion, Rectangles, CUA Bindings): Fix usage of
 @kbd and @key.
 doc/emacs/indent.texi (Indentation Commands): Fix usage of @kbd and @key.
 doc/emacs/help.texi (Help Mode, Misc Help): Fix usage of @kbd and @key.
 doc/emacs/glossary.texi (Glossary): Fix usage of @kbd and @key.
 doc/emacs/frames.texi (Speedbar): Fix usage of @kbd and @key.
 doc/emacs/files.texi (Misc File Ops, File Name Cache, File Conveniences)
 (Filesets): Fix usage of @kbd and @key.
 doc/emacs/display.texi (View Mode): Fix usage of @kbd and @key.
 doc/emacs/dired.texi (Image-Dired): Fix usage of @kbd and @key.
 doc/emacs/custom.texi (Modifier Keys, Function Keys, Named ASCII Chars)
 (Init Syntax): Fix usage of @kbd and @key.
 doc/emacs/commands.texi (User Input): Fix usage of @kbd and @key.
 doc/emacs/calendar.texi (Counting Days, General Calendar): Fix usage of
 @kbd and @key.
 doc/emacs/building.texi (Threads Buffer): Fix usage of @kbd and @key.
 doc/emacs/buffers.texi (Select Buffer, Icomplete): Fix usage of @kbd and
 @key.
 doc/emacs/basic.texi (Inserting Text, Erasing, Arguments): Fix usage of
 @kbd and @key.