Trailing whitespace deleted.

[bpt/emacs.git] / man / commands.texi

diff --git a/man/commands.texi b/man/commands.texi
index 23b383c..b0727cf 100644 (file)
--- a/man/commands.texi
+++ b/man/commands.texi
@@ -76,11 +76,15 @@ key with some other primary purpose.  Sometimes it is labeled
 it.
 
   If there is no @key{META} key, you can still type Meta characters
-using two-character sequences starting with @key{ESC}.  Thus, you can enter
-@kbd{M-a} by typing @kbd{@key{ESC} a}.  You can enter @kbd{C-M-a} by
-typing @kbd{@key{ESC} C-a}.  @key{ESC} is allowed on terminals with
-@key{META} keys, too, in case you have formed a habit of using it.
-  
+using two-character sequences starting with @key{ESC}.  Thus, you can
+enter @kbd{M-a} by typing @kbd{@key{ESC} a}.  You can enter
+@kbd{C-M-a} by typing @kbd{@key{ESC} C-a}.  Unlike @key{META}, which
+modifies other characters, @key{ESC} is a separate character.  You
+don't hold down @key{ESC} while typing the next character; instead,
+you press it and release it, then you enter the next character.
+@key{ESC} is allowed on terminals with @key{META} keys, too, in case
+you have formed a habit of using it.
+
   The X Window System provides several other modifier keys that can be
 applied to any input character.  These are called @key{SUPER},
 @key{HYPER} and @key{ALT}.  We write @samp{s-}, @samp{H-} and @samp{A-}
@@ -92,6 +96,14 @@ key bindings of Emacs do not include any characters with these
 modifiers.  But you can assign them meanings of your own by customizing
 Emacs.
 
+  If your keyboard lacks one of these modifier keys, you can enter it
+using @kbd{C-x @@}: @kbd{C-x @@ h} adds the ``hyper'' flag to the next
+character, @kbd{C-x @@ s} adds the ``super'' flag, and @kbd{C-x @@ a}
+adds the ``alt'' flag.  For instance, @kbd{C-x @@ h C-a} is a way to
+enter @kbd{Hyper-Control-a}.  (Unfortunately there is no way to add
+two modifiers by using @kbd{C-x @@} twice for the same character,
+because the first one goes to work on the @kbd{C-x}.)
+
   Keyboard input includes keyboard keys that are not characters at all:
 for example function keys and arrow keys.  Mouse buttons are also
 outside the gamut of characters.  You can modify these events with the
@@ -161,7 +173,7 @@ you can make new prefix keys, or eliminate these.  @xref{Key Bindings}.
   If you do make or eliminate prefix keys, that changes the set of
 possible key sequences.  For example, if you redefine @kbd{C-f} as a
 prefix, @kbd{C-f C-k} automatically becomes a key (complete, unless you
-define it too as a prefix).  Conversely, if you remove the prefix
+define that too as a prefix).  Conversely, if you remove the prefix
 definition of @kbd{C-x 4}, then @kbd{C-x 4 f} (or @kbd{C-x 4
 @var{anything}}) is no longer a key.
 
@@ -171,7 +183,7 @@ There are a few prefix keys for which @kbd{C-h} does not
 work---for historical reasons, they have other meanings for @kbd{C-h}
 which are not easy to change.  But @key{F1} should work for all prefix
 keys.
-  
+
 @node Commands, Text Characters, Keys, Top
 @section Keys and Commands
 
@@ -212,7 +224,7 @@ state the name of the command which really does the work in parentheses
 after mentioning the key that runs it.  For example, we will say that
 ``The command @kbd{C-n} (@code{next-line}) moves point vertically
 down,'' meaning that @code{next-line} is a command that moves vertically
-down and @kbd{C-n} is a key that is standardly bound to it.
+down, and @kbd{C-n} is a key that is normally bound to it.
 
   While we are on the subject of information for customization only,
 it's a good time to tell you about @dfn{variables}.  Often the