Re: Patch for emacs/basic.texi

[ams@gnu.org (Alfred M. Szmidt)]

   >    +  On a graphics terminal, the easiest way to invoke @code{undo} is
   >    +with @kbd{C-/}; that doesn't need the shift key.  On a text terminal,
   >    +@kbd{C-/} does not exist, but usually you can type @kbd{C-_} without
   >    +the shift key and it will work anyway.
   > 
   > That doesn't work on my terminal (wsvt25 or xterm with TERM=vt100);
   > where one has to press C-_ (shifted).  C-- ignores the Control key,
   > and does a self-insert-command on ?-.

   Richard's text says "usually", so I guess it doesn't need to be
   correct always?

I tried several more terminals, none of them worked with C-- --
usually usually means that it usually works -- at least sometimes.