all sed(1)s have escaped angle-brackets?

[Steve Emmerson]

Are there any sed(1)s that do not understand the escaped left and right
angle-bracket meta-notation for delimiting, respectively, the beginning
and ends of words?  For example:

	sed 's/\<one\>/two/' ...

Thanks in advance.

Steve Emmerson        steve at unidata.ucar.edu        ...!ncar!unidata!steve