stty erase issues on ssh to Linux after upgrade to Windows 7

[Tom Starr <tomstarr5678 at gmail dot com>]

In Windows XP Cygwin erase defaults to ^H (backspace) which is
preserved on ssh to Linux where backspace works in vi and in SQLPlus.

In Windows 7 Professional erase defaults to ^? (delete) then changes
to ^H on ssh to the same Linux and backspace works like delete in vi
and produces little triangles like a Delta character entity in
SQLPLus.

And doing stty erase '^?' (or stty erase ctrl-v <backspace>) in Linux
fixes vi but SQLPlus still gets little triangles.

My TERM=ansi but I’ve also tried vt100 and cygwin - no change.

I upgraded from Cygwin 1.5.25 to 1.7.9 based on 1.7.2 release notes
stating the console's backspace keycode can be changed using 'stty
erase' but no change.

There are no stty statements in Cygwin or Linux .bashrc or .bash_profile.

Cygwin is: CYGWIN_NT-6.1-WOW64 XXX-YYYYYY-ZZZ 1.7.9(0.237/5/3)
2011-03-29 10:10 i686 Cygwin Linux is: 2.6.9-42.0.2.ELsmp on x86_64

Thanks for any clues or suggestions!

Tom

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