Mail Archives: cygwin/2009/05/28/15:09:22
On 5/28/2009 1:10 PM, Andy Koppe wrote:
> Could the default for the terminals be changed? Yes, easily, but only
> at the cost of breaking any applications that always expect ^H for
> Backspace.
Sorry, I guess I haven't been expressing myself very well. I wasn't
suggesting any particular course of action, and I certainly don't want
to break other applications. I'm simply describing the symptoms and
asking what can be done to make emacs work as well as possible for
cygwin users. I'm thinking of users who are experienced with emacs on
other platforms and are startled when C-h doesn't work as they expected,
as well as new emacs users who see a splash screen telling them to type
C-h for help and then find that it doesn't work.
Let me start over and try to be more clear.
I almost always use emacs under X, where, by default, C-h is the help
key (as advertised on the emacs splash screen) and the Backspace key
behaves the way one would expect. If you start emacs under X and type
'C-h k <backspace>' (which is asking emacs to tell you what the
backspace key does), you get the following response:
DEL (translated from <backspace>) runs the command...
So emacs knows you've hit the backspace key and knows how it should be
interpreted, whereas C-h (pressing h while holding down control) is
treated as the help key.
In the course of trying to debug Tim's problem that started this thread,
I had occasion to use emacs in various text terminals, and I was
surprised to find that, by default, emacs behaves differently in that
setting. (One has to use F1 for help instead of C-h, and there's no
distinction between C-h and <backspace>.)
This difference does *not* occur in the one linux system that I have
access to (which happens to be Redhat linux). If I log into the console
on that machine and start emacs (with no window system running), C-h is
help and <backspace> is DEL.
It would be nice if we could get emacs on cygwin to work the same way it
does on other platforms. If it can't be done without breaking other
things, so be it. In that case, as I said before, I'll try to change
the splash screen to say that F1 is the help key (when emacs is started
in a context where C-h doesn't function as the help key). It might
actually be an emacs bug that this doesn't happen automatically; I've
asked about this on the emacs-devel list
(http://lists.gnu.org/archive/html/emacs-devel/2009-05/msg00569.html).
Ken
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