[ANNOUNCEMENT] Updated: mintty-0.5.1-1
Warren Young
warren@etr-usa.com
Fri Oct 16 18:34:00 GMT 2009
Andy Koppe wrote:
> 2009/10/16 Eric Backus:
>> Unfortunately, cygwin's terminfo/termcap entries for XTERM say that the
>> backspace key returns ^H.
>
> xterm does still send ^H, but I agree both xterm and its termcap entry
> ought to be changed to match the new Cygwin 1.7 default and the Linux
> world. I should have a look at how to do that.
Well, on Linux consoles, the term type is "linux". Presumably this is
one of the reasons they felt they needed a separate term type.
Maybe MinTTY should be emulating something other than xterm, which
doesn't have this backspace problem? I don't mean something vastly
different, just something else in the ANSI/VT100 zoo.
> Have you come across an application that stumbles over this?
Obviously you're responding to some user reported bug, so here's a
better question: how does Emacs handle C-h on Linux under xterm? If it
works fine, you should try to find out how xterm manages that.
> All the
> one's I've tried seemed to go by the stty setting rather than the
> termcap entry anyway.
This is a problem I still see on Linux today. Programs that accept user
input via standard C mechanisms (rather than something intelligent like
ncurses) often don't deal with regular backspaces. So, test with things
like ftp or ex. Or, write a simple test program that uses gets() or
similar. If that handles backspace correctly, that's a high endorsement
for doing it the way you are already.
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