On 03/19/2010 03:34 PM, Barry Warsaw wrote:
On Mar 19, 2010, at 11:07 AM, Reinout van Rees wrote:
ctrl-h *is* sadly the logical key for some help-related function. Would
"ctrl-c h" be an alternative?
Hi Reinout. Is that defined in an Emacs Lisp standard somewhere? I'm having
a hard time finding /any/ other mode where C-c C-h is bound to anything
(mail-mode and shell-mode are two others I've checked).
Hm. It is apparently not as clear-cut as I always took it to be. Emacs'
info (for instance
http://www.chemie.fu-berlin.de/chemnet/use/info/emacs/emacs_11.html ):
C-h or F1 means "help" in various other contexts as well. For
example, in query-replace, it describes the options available.
After a prefix key, it displays a list of the alternatives that
can follow the prefix key. (A few prefix keys don't support this
because they define other meanings for C-h.)
So it *is* apparently OK to use ctrl-h in other meanings!
But ctrl-c ctrl-h seems to work in every mode I just tested it on: it
gives a nice overview of possible keys.
I know most basic keybindings, but the particulars of all those major
modes... That's what ctrl-c ctrl-h is for.
Similarly the version control (minor?) mode: ctrl-x v ctrl-h ("what was
the annotate/blame/praise command again?")
And I just discovered that the "emacs starter kit" I'm using has
re-bound ctrl-x ctrl-h to some open-a-url function, sigh :-)
Reinout
--
Reinout van Rees - rein...@vanrees.org - http://reinout.vanrees.org
Programmer at http://www.nelen-schuurmans.nl
"Military engineers build missiles. Civil engineers build targets"
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